Alexey Khoroshilov [Wed, 4 Sep 2013 21:46:09 +0000 (01:46 +0400)]
can: pcan_usb_core: fix memory leak on failure paths in peak_usb_start()
Tx and rx urbs are not deallocated if something goes wrong in peak_usb_start().
The patch fixes error handling to deallocate all the resources.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Linus Torvalds [Fri, 20 Sep 2013 13:18:51 +0000 (08:18 -0500)]
Merge tag 'arm64-stable' of git://git./linux/kernel/git/cmarinas/linux-aarch64
Pull ARM64 fixes from Catalin Marinas:
- Compat register fault reporting fix
- Documentation clarification on tagged pointers
- hwcap widened to 64-bit (user space already reading it as 64-bit)
* tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: Widen hwcap to be 64 bit
arm64: Correctly report LR and SP for compat tasks
arm64: documentation: tighten up tagged pointer documentation
arm64: Make do_bad_area() function static
Steve Capper [Wed, 18 Sep 2013 15:14:28 +0000 (16:14 +0100)]
arm64: Widen hwcap to be 64 bit
Under arm64 elf_hwcap is a 32 bit quantity, but it is stored in
a 64 bit auxiliary ELF field and glibc reads hwcap as 64 bit.
This patch widens elf_hwcap to be 64 bit.
Signed-off-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Catalin Marinas [Tue, 17 Sep 2013 17:49:46 +0000 (18:49 +0100)]
arm64: Correctly report LR and SP for compat tasks
When a task crashes and we print debugging information, ensure that
compat tasks show the actual AArch32 LR and SP registers rather than the
AArch64 ones.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Will Deacon [Tue, 17 Sep 2013 10:46:23 +0000 (11:46 +0100)]
arm64: documentation: tighten up tagged pointer documentation
Commit
d50240a5f6ce ("arm64: mm: permit use of tagged pointers at EL0")
added support for tagged pointers in userspace, but the corresponding
update to Documentation/ contained some imprecise statements.
This patch fixes up some minor ambiguities in the text, hopefully making
it more clear about exactly what the kernel expects from user virtual
addresses.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Catalin Marinas [Mon, 16 Sep 2013 14:18:28 +0000 (15:18 +0100)]
arm64: Make do_bad_area() function static
This function is only called from arch/arm64/mm/fault.c.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Linus Torvalds [Thu, 19 Sep 2013 23:49:08 +0000 (18:49 -0500)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A set of fixes for ARM platforms for 3.12. Among them:
- A fix for build breakage in the MTD subsystem for some PXA devices.
David Woodhouse has this patch in his for-next branch but has not
been responding to our requests to send it up so here it is. I
should have amended the commit message to describe the build
failure for CONFIG_OF=n setups, but forgot and now it's down in the
stack of commits.
- Added device-tree for the BeagleBone Black. Turns out people have
been using the older "regualar" bone DT for the newer boards, and
there's risk of damaging hardware that way.
- Misc DT and regular fixes for OMAP.
- Fix to make the ST-Ericsson "snowball" boards boot with
multi_v7_defconfig, and enable one of the ST-E reference boards on
the same config.
- Kconfig cleanup for u300 to hide submenus when the platform isn't
enabled.
- Enable ARM_ATAG_DTB_COMPAT to let firmware override command line
when booting with an appended devicetree on non-DT-enabled firmware
(needed to boot snowball)"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
ARM: multi_v7: add HREFv60 to multi_v7 defconfig
ARM: OMAP2+: mux: fix trivial typo in name
ARM: OMAP4 SMP: Corrected a typo fucntions to functions
ARM: OMAP4: cpuidle: fix: call cpu_cluster_pm_exit conditionally
mailbox: remove unnecessary platform_set_drvdata()
ARM: mach-omap2: gpmc: Fix warning when CONFIG_ARM_LPAE=y
ARM: OMAP: fix return value check in omap_device_build_from_dt()
ARM: OMAP4: Fix clock_get error for GPMC during boot
ARM: sa1100: collie.c: fall back to jedec_probe flash detection
ARM: u300: hide submenus
ARM: dts: igep00x0: Add pinmux configuration for MCBSP2
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for blaze
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for pandaboard
mtd: nand: pxa3xx: Remove unneeded ifdef CONFIG_OF
ARM: multi_v7_defconfig: enable ARM_ATAG_DTB_COMPAT
ARM: ux500: disable outer cache debug
ARM: dts: OMAP5: fix ocp2scp DTS data
ARM: dts: OMAP5: fix reg property size
ARM: dts: am335x-bone*: add DT for BeagleBone Black
ARM: dts: omap3-beagle-xm: fix string error in compatible property
...
Linus Torvalds [Thu, 19 Sep 2013 18:57:28 +0000 (13:57 -0500)]
Merge git://git./linux/kernel/git/davem/net
Pull networking fixes from David Miller:
1) If the local_df boolean is set on an SKB we have to allocate a
unique ID even if IP_DF is set in the ipv4 headers, from Ansis
Atteka.
2) Some fixups for the new chipset support that went into the sfc
driver, from Ben Hutchings.
3) Because SCTP bypasses a good chunk of, and actually duplicates, the
logic of the ipv6 output path, some IPSEC things don't get done
properly. Integrate SCTP better into the ipv6 output path so that
these problems are fixed and such issues don't get missed in the
future either. From Daniel Borkmann.
4) Fix skge regressions added by the DMA mapping error return checking
added in v3.10, from Mikulas Patocka.
5) Kill some more IRQF_DISABLED references, from Michael Opdenacker.
6) Fix races and deadlocks in the bridging code, from Hong Zhiguo.
7) Fix error handling in tun_set_iff(), in particular don't leak
resources. From Jason Wang.
8) Prevent format-string injection into xen-netback driver, from Kees
Cook.
9) Fix regression added to netpoll ARP packet handling, in particular
check for the right ETH_P_ARP protocol code. From Sonic Zhang.
10) Try to deal with AMD IOMMU errors when using r8169 chips, from
Francois Romieu.
11) Cure freezes due to recent changes in the rt2x00 wireless driver,
from Stanislaw Gruszka.
12) Don't do SPI transfers (which can sleep) in interrupt context in
cw1200 driver, from Solomon Peachy.
13) Fix LEDs handling bug in 5720 tg3 chips already handled for 5719.
From Nithin Sujir.
14) Make xen_netbk_count_skb_slots() count the actual number of slots
that will be used, taking into consideration packing and other
issues that the transmit path will run into. From David Vrabel.
15) Use the correct maximum age when calculating the bridge
message_age_timer, from Chris Healy.
16) Get rid of memory leaks in mcs7780 IRDA driver, from Alexey
Khoroshilov.
17) Netfilter conntrack extensions were converted to RCU but are not
always freed properly using kfree_rcu(). Fix from Michal Kubecek.
18) VF reset recovery not being done correctly in qlcnic driver, from
Manish Chopra.
19) Fix inverted test in ATM nicstar driver, from Andy Shevchenko.
20) Missing workqueue destroy in cxgb4 error handling, from Wei Yang.
21) Internal switch not initialized properly in bgmac driver, from Rafał
Miłecki.
22) Netlink messages report wrong local and remote addresses in IPv6
tunneling, from Ding Zhi.
23) ICMP redirects should not generate socket errors in DCCP and SCTP.
We're still working out how this should be handled for RAW and UDP
sockets. From Daniel Borkmann and Duan Jiong.
24) We've had several bugs wherein the network namespace's loopback
device gets accessed after it is free'd, NULL it out so that we can
catch these problems more readily. From Eric W Biederman.
25) Fix regression in TCP RTO calculations, from Neal Cardwell.
26) Fix too early free of xen-netback network device when VIFs still
exist. From Paul Durrant.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
netconsole: fix a deadlock with rtnl and netconsole's mutex
netpoll: fix NULL pointer dereference in netpoll_cleanup
skge: fix broken driver
ip: generate unique IP identificator if local fragmentation is allowed
ip: use ip_hdr() in __ip_make_skb() to retrieve IP header
xen-netback: Don't destroy the netdev until the vif is shut down
net:dccp: do not report ICMP redirects to user space
cnic: Fix crash in cnic_bnx2x_service_kcq()
bnx2x, cnic, bnx2i, bnx2fc: Fix bnx2i and bnx2fc regressions.
vxlan: Avoid creating fdb entry with NULL destination
tcp: fix RTO calculated from cached RTT
drivers: net: phy: cicada.c: clears warning Use #include <linux/io.h> instead of <asm/io.h>
net loopback: Set loopback_dev to NULL when freed
batman-adv: set the TAG flag for the vid passed to BLA
netfilter: nfnetlink_queue: use network skb for sequence adjustment
net: sctp: rfc4443: do not report ICMP redirects to user space
net: usb: cdc_ether: use usb.h macros whenever possible
net: usb: cdc_ether: fix checkpatch errors and warnings
net: usb: cdc_ether: Use wwan interface for Telit modules
ip6_tunnels: raddr and laddr are inverted in nl msg
...
Nikolay Aleksandrov [Thu, 19 Sep 2013 13:02:36 +0000 (15:02 +0200)]
netconsole: fix a deadlock with rtnl and netconsole's mutex
This bug was introduced by commit
7a163bfb7ce50895bbe67300ea610d31b9c09230 ("netconsole: avoid a crash with
multiple sysfs writers"). In store_enabled() we have the following
sequence: acquire nt->mutex then rtnl, but in the netconsole netdev
notifier we have rtnl then nt->mutex effectively leading to a deadlock.
The NULL pointer dereference that the above commit tries to fix is
actually due to another bug in netpoll_cleanup(). This is fixed by dropping
the mutex from the netdev notifier as it's already protected by rtnl.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nikolay Aleksandrov [Thu, 19 Sep 2013 13:02:35 +0000 (15:02 +0200)]
netpoll: fix NULL pointer dereference in netpoll_cleanup
I've been hitting a NULL ptr deref while using netconsole because the
np->dev check and the pointer manipulation in netpoll_cleanup are done
without rtnl and the following sequence happens when having a netconsole
over a vlan and we remove the vlan while disabling the netconsole:
CPU 1 CPU2
removes vlan and calls the notifier
enters store_enabled(), calls
netdev_cleanup which checks np->dev
and then waits for rtnl
executes the netconsole netdev
release notifier making np->dev
== NULL and releases rtnl
continues to dereference a member of
np->dev which at this point is == NULL
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Mikulas Patocka [Thu, 19 Sep 2013 18:13:17 +0000 (14:13 -0400)]
skge: fix broken driver
The patch
136d8f377e1575463b47840bc5f1b22d94bf8f63 broke the skge driver.
Note this part of the patch:
+ if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) {
+ dev_kfree_skb(nskb);
+ goto resubmit;
+ }
+
pci_unmap_single(skge->hw->pdev,
dma_unmap_addr(e, mapaddr),
dma_unmap_len(e, maplen),
PCI_DMA_FROMDEVICE);
skb = e->skb;
prefetch(skb->data);
- skge_rx_setup(skge, e, nskb, skge->rx_buf_size);
The function skge_rx_setup modifies e->skb to point to the new skb. Thus,
after this change, the new buffer, not the old, is returned to the
networking stack.
This bug is present in kernels 3.11, 3.11.1 and 3.12-rc1. The patch should
be queued for 3.11-stable.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Vasiliy Glazov <vascom2@gmail.com>
Tested-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ansis Atteka [Wed, 18 Sep 2013 22:29:53 +0000 (15:29 -0700)]
ip: generate unique IP identificator if local fragmentation is allowed
If local fragmentation is allowed, then ip_select_ident() and
ip_select_ident_more() need to generate unique IDs to ensure
correct defragmentation on the peer.
For example, if IPsec (tunnel mode) has to encrypt large skbs
that have local_df bit set, then all IP fragments that belonged
to different ESP datagrams would have used the same identificator.
If one of these IP fragments would get lost or reordered, then
peer could possibly stitch together wrong IP fragments that did
not belong to the same datagram. This would lead to a packet loss
or data corruption.
Signed-off-by: Ansis Atteka <aatteka@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ansis Atteka [Wed, 18 Sep 2013 22:29:52 +0000 (15:29 -0700)]
ip: use ip_hdr() in __ip_make_skb() to retrieve IP header
skb->data already points to IP header, but for the sake of
consistency we can also use ip_hdr() to retrieve it.
Signed-off-by: Ansis Atteka <aatteka@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paul Durrant [Tue, 17 Sep 2013 16:46:08 +0000 (17:46 +0100)]
xen-netback: Don't destroy the netdev until the vif is shut down
Without this patch, if a frontend cycles through states Closing
and Closed (which Windows frontends need to do) then the netdev
will be destroyed and requires re-invocation of hotplug scripts
to restore state before the frontend can move to Connected. Thus
when udev is not in use the backend gets stuck in InitWait.
With this patch, the netdev is left alone whilst the backend is
still online and is only de-registered and freed just prior to
destroying the vif (which is also nicely symmetrical with the
netdev allocation and registration being done during probe) so
no re-invocation of hotplug scripts is required.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Thu, 19 Sep 2013 17:52:25 +0000 (12:52 -0500)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
- Minor updates and fixes to the Octeon ethernet driver in staging
- A fix to VGA_MAP_MEM() for 64 bit platforms
- Fix a workaround for 74K/1074K processors
- The symlink arch/mips/boot/dts/include/dt-bindings was pointing to a
a file with a name ending in \n. I think this may have been caused
by a git bug with with patches sent by email
- A build fix for VGA console on BCM1480-based systems
- Fix PCI device access via "/sys/bus/pci/.../resource0" or similar
work for Alchemy platforms
- Fix potential data leak on MIPS R5 cores. This doesn't add proper
support for any R5 features, just ensures a kernel without such
support will be secure to run
- Adding a macros for the CP0 Config5 register to be used by the R5 fix
- Make get_cycles() actually return something useful where possible
This also requires a preparatory patch for performance sake
- Fix a warning about the use of smp_processor_id() in preemptible
code. Again this includes a preparatory patch adding the
infrastructure to be used by the actual patch
- Finally remove pointless one-line comment
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Fix invalid symbolic link file
MIPS: PCI: pci-bcm1480: Include missing vt.h header
MIPS: Disable usermode switching of the FR bit for MIPS R5 CPUs.
MIPS: Add MIPS R5 config5 register.
MIPS: PCI: Use pci_resource_to_user to map pci memory space properly
MIPS: 74K/1074K: Correct erratum workaround.
MIPS: Cleanup CP0 PRId and CP1 FPIR register access masks
MIPS: Remove useless comment about kprobe from arch/mips/Makefile
MIPS: Fix VGA_MAP_MEM macro.
MIPS: Reimplement get_cycles().
MIPS: Optimize current_cpu_type() for better code.
MIPS: Fix accessing to per-cpu data when flushing the cache
MIPS: Provide nice way to access boot CPU's data.
staging: octeon-ethernet: rgmii: enable interrupts that we can handle
staging: octeon-ethernet: remove skb alloc failure warnings
staging: octeon-ethernet: make dropped packets to consume NAPI budget
Linus Torvalds [Thu, 19 Sep 2013 17:50:37 +0000 (12:50 -0500)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sage/ceph-client
Pull ceph fixes from Sage Weil:
"These fix several bugs with RBD from 3.11 that didn't get tested in
time for the merge window: some error handling, a use-after-free, and
a sequencing issue when unmapping and image races with a notify
operation.
There is also a patch fixing a problem with the new ceph + fscache
code that just went in"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
fscache: check consistency does not decrement refcount
rbd: fix error handling from rbd_snap_name()
rbd: ignore unmapped snapshots that no longer exist
rbd: fix use-after free of rbd_dev->disk
rbd: make rbd_obj_notify_ack() synchronous
rbd: complete notifies before cleaning up osd_client and rbd_dev
libceph: add function to ensure notifies are complete
Madhavan Srinivasan [Thu, 19 Sep 2013 13:09:08 +0000 (18:39 +0530)]
MIPS: Fix invalid symbolic link file
Commit
3b29aa5ba204c [MIPS: add <dt-bindings/> symlink] created a symlink
file in include/dt-bindings. Even though commit diff is fine, the symlink
is invalid and ls -lb shows a newline character at the end of the filename:
lrwxrwxrwx 1 maddy maddy 35 Sep 19 18:11 dt-bindings ->
../../../../../include/dt-bindings\n
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: steven.hill@imgtec.com
Cc: mmarek@suse.cz
Cc: swarren@nvidia.com
Cc: linux-mips@linux-mips.org
Cc: linux-kbuild@vger.kernel.org
Cc: james.hogan@imgtec.com
Patchwork: https://patchwork.linux-mips.org/patch/5859/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Markos Chandras [Thu, 19 Sep 2013 09:27:52 +0000 (10:27 +0100)]
MIPS: PCI: pci-bcm1480: Include missing vt.h header
It's needed for the MAX_NR_CONSOLES macro.
Fixes the following build problem on a randconfig:
arch/mips/pci/pci-bcm1480.c: In function 'bcm1480_pcibios_init':
arch/mips/pci/pci-bcm1480.c:261:36: error: 'MAX_NR_CONSOLES'
undeclared (first use in this function)
arch/mips/pci/pci-bcm1480.c:261:36: note: each undeclared
identifier is reported only once for each function it appears in
make[1]: *** [arch/mips/pci/pci-bcm1480.o] Error 1
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5858/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 19 Sep 2013 09:15:49 +0000 (11:15 +0200)]
MIPS: Disable usermode switching of the FR bit for MIPS R5 CPUs.
Currently the kernel will always use the FR=0 register model for O32. If
an O32 application did enable FR=1 mode, some data from another application
might be leaked in the extra registers becoming visible.
Iow, this patch is meant to make the kernel MIPS R5 tolerant but leaves
proper MIPS R5 support to a future patchset.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 19 Sep 2013 09:09:48 +0000 (11:09 +0200)]
MIPS: Add MIPS R5 config5 register.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Linus Torvalds [Thu, 19 Sep 2013 02:17:44 +0000 (21:17 -0500)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm radeon/nouveau/core fixes from Dave Airlie:
"Mostly radeon fixes, with some nouveau bios parser, ttm fix and a fix
for AST driver"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (42 commits)
drm/fb-helper: don't sleep for screen unblank when an oops is in progress
drm, ttm Fix uninitialized warning
drm/ttm: fix the tt_populated check in ttm_tt_destroy()
drm/nouveau/ttm: prevent double-free in nouveau_sgdma_create_ttm() failure path
drm/nouveau/bios/init: fix thinko in INIT_CONFIGURE_MEM
drm/nouveau/kms: enable for non-vga pci classes
drm/nouveau/bios/init: stub opcode 0xaa
drm/radeon: avoid UVD corruptions on AGP cards
drm/radeon: fix panel scaling with eDP and LVDS bridges
drm/radeon/dpm: rework auto performance level enable
drm/radeon: Fix hmdi typo
drm/radeon/dpm/rs780: fix force_performance state for same sclks
drm/radeon/dpm/rs780: don't enable sclk scaling if not required
drm/radeon/dpm/rs780: add some sanity checking to sclk scaling
drm/radeon/dpm/rs780: use drm_mode_vrefresh()
drm/udl: rip out set_need_resched
drm/ast: fix the ast open key function
drm/radeon/dpm: add bapm callback for kb/kv
drm/radeon/dpm: add bapm callback for trinity
drm/radeon/dpm: add infrastructure to properly handle bapm
...
Daniel Vetter [Fri, 13 Sep 2013 21:49:57 +0000 (14:49 -0700)]
drm/fb-helper: don't sleep for screen unblank when an oops is in progress
Otherwise the system will burn even brighter and worse, leave the user
wondering what's going on exactly.
Since we already have a panic handler which will (try) to restore the
entire fbdev console mode, we can just bail out. Inspired by a patch from
Konstantin Khlebnikov. The callchain leading to this, cut&pasted from
Konstantin's original patch:
callstack:
panic()
bust_spinlocks(1)
unblank_screen()
vc->vc_sw->con_blank()
fbcon_blank()
fb_blank()
info->fbops->fb_blank()
drm_fb_helper_blank()
drm_fb_helper_dpms()
drm_modeset_lock_all()
mutex_lock(&dev->mode_config.mutex)
Note that the entire locking in the fb helper around panic/sysrq and kdbg
is ... non-existant. So we have a decent change of blowing up
everything. But since reworking this ties in with funny concepts like the
fbdev notifier chain or the impressive things which happen around
console_lock while oopsing, I'll leave that as an exercise for braver
souls than me.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dave Airlie <airlied@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Prarit Bhargava [Fri, 13 Sep 2013 12:33:34 +0000 (08:33 -0400)]
drm, ttm Fix uninitialized warning
Fix uninitialized warning.
drivers/gpu/drm/ttm/ttm_object.c: In function ‘ttm_base_object_lookup’:
drivers/gpu/drm/ttm/ttm_object.c:213:10: error: ‘base’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
kref_put(&base->refcount, ttm_release_base);
^
drivers/gpu/drm/ttm/ttm_object.c:221:26: note: ‘base’ was declared here
struct ttm_base_object *base;
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Ben Skeggs [Tue, 17 Sep 2013 04:21:15 +0000 (14:21 +1000)]
drm/ttm: fix the tt_populated check in ttm_tt_destroy()
After a vmalloc failure in ttm_dma_tt_alloc_page_directory(),
ttm_dma_tt_init() will call ttm_tt_destroy() to cleanup, and end up
inside the driver's unpopulate() hook when populate() has never yet
been called.
On nouveau, the first issue to be hit because of this is that
dma_address[] may be a NULL pointer. After working around this,
ttm_pool_unpopulate() may potentially hit the same issue with
the pages[] array.
It seems to make more sense to avoid calling unpopulate on already
unpopulated TTMs than to add checks to all the implementations.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: stable@vger.kernel.org
Cc: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Thu, 19 Sep 2013 01:47:23 +0000 (11:47 +1000)]
Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
A couple of bios parser fixes (one for ancient chips, another for new ones - important in Optimus configs). Another to make sure KMS is enabled on certain Optimus configs, and a TTM failure path fix.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/ttm: prevent double-free in nouveau_sgdma_create_ttm() failure path
drm/nouveau/bios/init: fix thinko in INIT_CONFIGURE_MEM
drm/nouveau/kms: enable for non-vga pci classes
drm/nouveau/bios/init: stub opcode 0xaa
Linus Torvalds [Thu, 19 Sep 2013 00:22:22 +0000 (19:22 -0500)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
"atomic_open-related fixes (Miklos' series, with EEXIST-related parts
replaced with fix in fs/namei.c:atomic_open() instead of messing with
the instances) + race fix in autofs + leak on failure exit in 9p"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
9p: don't forget to destroy inode cache if fscache registration fails
atomic_open: take care of EEXIST in no-open case with O_CREAT|O_EXCL in fs/namei.c
vfs: don't set FILE_CREATED before calling ->atomic_open()
nfs: set FILE_CREATED
gfs2: set FILE_CREATED
cifs: fix filp leak in cifs_atomic_open()
vfs: improve i_op->atomic_open() documentation
autofs4: close the races around autofs4_notify_daemon()
Wolfgang Grandegger [Mon, 13 Dec 2010 20:48:10 +0000 (21:48 +0100)]
MIPS: PCI: Use pci_resource_to_user to map pci memory space properly
[ralf@linux-mips.org: This only matters to Alchemy platforms. On other
platforms fixup_bigphys_addr is just an identidy mapping.]
Signed-off-by: Wolfgang Grandegger <wg@denx.de>
Cc: tiejun.chen <tiejun.chen@windriver.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/1868/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Olof Johansson [Wed, 18 Sep 2013 21:01:39 +0000 (14:01 -0700)]
Merge tag 'omap-for-v3.12/fixes-dt-signed' of git://git./linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren, OMAP DT fixes for 3.12-rc1:
OMAP device tree changes that are needed to fix regressions and avoid
electrical issues on beaglebone black.
Via Benoit Cousson <bcousson@baylibre.com>:
Fix BBB LDO voltage to avoid HDMI destruction
Fix OMAP5 wrong attribute
Fix typo in beagle xM strings
Fix missing pinmux and regulator for OMAP4 wifi
Fix missing pinmux for igep headset
* tag 'omap-for-v3.12/fixes-dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: igep00x0: Add pinmux configuration for MCBSP2
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for blaze
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for pandaboard
ARM: dts: OMAP5: fix ocp2scp DTS data
ARM: dts: OMAP5: fix reg property size
ARM: dts: am335x-bone*: add DT for BeagleBone Black
ARM: dts: omap3-beagle-xm: fix string error in compatible property
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Wed, 18 Sep 2013 21:00:43 +0000 (14:00 -0700)]
Merge tag 'omap-for-v3.12/fixes-signed' of git://git./linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren, fixes for 3.12-rc1:
OMAP fixes for build warnings and cpuidle, and a few trivial typo fixes.
* tag 'omap-for-v3.12/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: mux: fix trivial typo in name
ARM: OMAP4 SMP: Corrected a typo fucntions to functions
ARM: OMAP4: cpuidle: fix: call cpu_cluster_pm_exit conditionally
mailbox: remove unnecessary platform_set_drvdata()
ARM: mach-omap2: gpmc: Fix warning when CONFIG_ARM_LPAE=y
ARM: OMAP: fix return value check in omap_device_build_from_dt()
ARM: OMAP4: Fix clock_get error for GPMC during boot
Signed-off-by: Olof Johansson <olof@lixom.net>
Tony Lindgren [Wed, 18 Sep 2013 19:50:45 +0000 (12:50 -0700)]
Merge tag 'for_3.12-rc2/dts_signed' of git://git./linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.12/fixes-dt
Fix BBB LDO voltage to avoid HDMI destruction
Fix OMAP5 wrong attribute
Fix typo in beagle xM strings
Fix missing pinmux and regulator for OMAP4 wifi
Fix missing pinmux for igep headset
Linus Walleij [Mon, 16 Sep 2013 12:22:32 +0000 (14:22 +0200)]
ARM: multi_v7: add HREFv60 to multi_v7 defconfig
This is just a standard board for the Ux500, include it in the
v7 multiplatform defconfig.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Phil Carmody [Wed, 18 Sep 2013 19:02:01 +0000 (12:02 -0700)]
ARM: OMAP2+: mux: fix trivial typo in name
Fix trivial typo in name.
Signed-off-by: Phil Carmody <phil.carmody@partner.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Anoop Thomas Mathew [Wed, 18 Sep 2013 19:02:00 +0000 (12:02 -0700)]
ARM: OMAP4 SMP: Corrected a typo fucntions to functions
Corrected the functions spelling mistake in the OMAP4 SMP source file.
Signed-off-by: Anoop Thomas Mathew <atm@profoundis.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Vladimir Murzin [Wed, 18 Sep 2013 19:02:00 +0000 (12:02 -0700)]
ARM: OMAP4: cpuidle: fix: call cpu_cluster_pm_exit conditionally
We call cpu_cluster_pm_enter for dev->cpu == 0 only, but
cpu_cluster_pm_exit called without that check.
Because of that unhandled page fault may happen:
[ 3.803405] Unable to handle kernel paging request at virtual address
00002500
[ 3.810974] pgd =
c0004000
[ 3.813812] [
00002500] *pgd=
00000000
[ 3.817596] Internal error: Oops: 5 [#1] SMP ARM
[ 3.822418] Modules linked in:
[ 3.825653] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.11.0-rc6+ #21
[ 3.832397] task:
ed86ef40 ti:
ed896000 task.ti:
ed896000
[ 3.838073] PC is at irq_notifier+0x234/0x25c
[ 3.842651] LR is at irq_notifier+0x218/0x25c
[ 3.847229] pc : [<
c0029ed8>] lr : [<
c0029ebc>] psr:
80000193
[ 3.847229] sp :
ed897ee8 ip :
00000005 fp :
00000001
[ 3.859283] r10:
c0b395f0 r9 :
c0b30594 r8 :
c0b8c2ac
[ 3.864776] r7 :
ffffffff r6 :
00000000 r5 :
00000005 r4 :
00000000
[ 3.871643] r3 :
00002500 r2 :
00000000 r1 :
00000005 r0 :
44302244
[ 3.878479] Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 3.886260] Control:
10c5387d Table:
8000404a DAC:
00000015
[ 3.892272] Process swapper/1 (pid: 0, stack limit = 0xed896240)
[ 3.898590] Stack: (0xed897ee8 to 0xed898000)
[ 3.903167] 7ee0:
c0979c3a 00000001 ed897ef8 ed896000 c0014f7c 00000000
[ 3.911743] 7f00:
00000005 00000000 ffffffff c0b8c2ac c0b395f0 c077c04c c0c94b48 c0b3953c
[ 3.920318] 7f20:
c0bcd928 00000002 c0b39524 c00cfad8 00000000 ffffffff 00000000 c00cfb10
[ 3.928924] 7f40:
c14e62c0 c002c1c8 c002c0ac c14e62c0 00000002 e251c37d 00000000 c0b39548
[ 3.937499] 7f60:
c0b395f0 c05a1bc4 e251c37d 00000000 00000005 c05a3870 edc90380 edc90380
[ 3.946105] 7f80:
edc90394 c14e62c0 c0b39548 00000002 c0784064 c05a3c78 c0b395e0 c14e62c0
[ 3.954681] 7fa0:
00000002 c0b39548 c0bc9db8 00000000 00000001 c05a1dc0 ed896000 00000015
[ 3.963287] 7fc0:
c0bc9db8 ed896000 8000406a c0b30594 c0784064 c000e504 00000746 c007a528
[ 3.971862] 7fe0:
00000001 0000001d 600001d3 c0bcc004 00000000 800086c4 ee0aa6a7 d2aabaa9
[ 3.980499] [<
c0029ed8>] (irq_notifier+0x234/0x25c) from [<
c077c04c>] (notifier_call_chain+0x38/0x68)
[ 3.990173] [<
c077c04c>] (notifier_call_chain+0x38/0x68) from [<
c00cfad8>] (cpu_pm_notify+0x20/0x38)
[ 3.999786] [<
c00cfad8>] (cpu_pm_notify+0x20/0x38) from [<
c00cfb10>] (cpu_cluster_pm_exit+0x20/0x50)
[ 4.009399] [<
c00cfb10>] (cpu_cluster_pm_exit+0x20/0x50) from [<
c002c1c8>] (omap_enter_idle_coupled+0x11c/0x14c)
[ 4.020111] [<
c002c1c8>] (omap_enter_idle_coupled+0x11c/0x14c) from [<
c05a1bc4>] (cpuidle_enter_state+0x40/0xec)
[ 4.030822] [<
c05a1bc4>] (cpuidle_enter_state+0x40/0xec) from [<
c05a3c78>] (cpuidle_enter_state_coupled+0x1f4/0x240)
[ 4.041870] [<
c05a3c78>] (cpuidle_enter_state_coupled+0x1f4/0x240) from [<
c05a1dc0>] (cpuidle_idle_call+0x150/0x228)
[ 4.052947] [<
c05a1dc0>] (cpuidle_idle_call+0x150/0x228) from [<
c000e504>] (arch_cpu_idle+0x8/0x38)
[ 4.062499] [<
c000e504>] (arch_cpu_idle+0x8/0x38) from [<
c007a528>] (cpu_startup_entry+0x178/0x1e4)
[ 4.071990] [<
c007a528>] (cpu_startup_entry+0x178/0x1e4) from [<
800086c4>] (0x800086c4)
[ 4.080383] Code:
e5922288 03a03b0a 13a03c25 e0823003 (
e5932000)
[ 4.086791] ---[ end trace
d83954a84a6fa69e ]---
It is supposed that sar_base is initialized in irq_save_context, which
is called on CPU_CLUSTER_PM_ENTER notification. If this notification
has been missed and CPU_CLUSTER_PM_EXIT is received sar_base is NULL.
Fix it by calling CPU_CLUSTER_PM_{ENTER,EXIT} under the same condition.
Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Jingoo Han [Wed, 18 Sep 2013 19:02:00 +0000 (12:02 -0700)]
mailbox: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fabio Estevam [Wed, 18 Sep 2013 19:01:59 +0000 (12:01 -0700)]
ARM: mach-omap2: gpmc: Fix warning when CONFIG_ARM_LPAE=y
When CONFIG_ARM_LPAE=y the following build warning is generated:
arch/arm/mach-omap2/gpmc.c:1495:4: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat]
According to Documentation/printk-formats.txt '%pa' can be used to properly
print 'resource_size_t'.
Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Wei Yongjun [Wed, 18 Sep 2013 19:01:58 +0000 (12:01 -0700)]
ARM: OMAP: fix return value check in omap_device_build_from_dt()
In case of error, the function omap_device_alloc() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tony Lindgren [Wed, 18 Sep 2013 19:01:58 +0000 (12:01 -0700)]
ARM: OMAP4: Fix clock_get error for GPMC during boot
Looks like we still have the legacy clock alias name for
omap4 GPMC (General Purpose Memory Controller), so let's
fix it for the device tree naming. There's no need to keep
the legacy naming as omap4 is DT only nowadays.
Without this fix we get the following error while booting:
[ 0.440399] omap-gpmc
50000000.gpmc: error: clk_get
Reported-by: Olof Johansson <olof@lixom.net>
Cc: stable@vger.kernel.org # v3.11
Signed-off-by: Tony Lindgren <tony@atomide.com>
Maciej W. Rozycki [Wed, 18 Sep 2013 18:08:15 +0000 (19:08 +0100)]
MIPS: 74K/1074K: Correct erratum workaround.
Make sure 74K revision numbers are not applied to the 1074K. Also catch
invalid usage.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5857/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Maciej W. Rozycki [Tue, 17 Sep 2013 15:58:10 +0000 (16:58 +0100)]
MIPS: Cleanup CP0 PRId and CP1 FPIR register access masks
Replace hardcoded CP0 PRId and CP1 FPIR register access masks throughout.
The change does not touch places that use shifted or partial masks.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5838/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Linus Torvalds [Wed, 18 Sep 2013 17:39:40 +0000 (12:39 -0500)]
Merge tag 'please-pull-pstore' of git://git./linux/kernel/git/aegl/linux
Pull pstore/compression fixes from Tony Luck:
"Three pstore fixes related to compression:
1) Better adjustment of size of compression buffer (was too big for
EFIVARS backend resulting in compression failure
2) Use zlib_inflateInit2 instead of zlib_inflateInit
3) Don't print messages about compression failure. They will waste
space that may better be used to log console output leading to the
crash"
* tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
pstore: Remove the messages related to compression failure
pstore: Use zlib_inflateInit2 instead of zlib_inflateInit
pstore: Adjust buffer size for compression for smaller registered buffers
Wu Zhangjin [Tue, 9 Nov 2010 16:25:53 +0000 (00:25 +0800)]
MIPS: Remove useless comment about kprobe from arch/mips/Makefile
The commit
c1bf207d6ee1eb72e9c10365edbdc7c9ff7fb9b0 (kernel.org) rsp.
58e9ad32a48dce37ffeea912f55bd1c94b85ad7f (lmo) [MIPS: kprobe: Add support]
introduced a useless comment.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: David Daney <ddaney@caviumnetworks.com>
Patchwork: https://patchwork.linux-mips.org/patch/1765/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Duan Jiong [Wed, 18 Sep 2013 12:03:27 +0000 (20:03 +0800)]
net:dccp: do not report ICMP redirects to user space
DCCP shouldn't be setting sk_err on redirects as it
isn't an error condition. it should be doing exactly
what tcp is doing and leaving the error handler without
touching the socket.
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Wed, 18 Sep 2013 16:26:17 +0000 (11:26 -0500)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel/lpss: Add pin control support to Intel low power subsystem
perf/x86/intel: Mark MEM_LOAD_UOPS_MISS_RETIRED as precise on SNB
x86: Remove now-unused save_rest()
x86/smpboot: Fix announce_cpu() to printk() the last "OK" properly
Linus Torvalds [Wed, 18 Sep 2013 16:24:49 +0000 (11:24 -0500)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"An NTP related lockup fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Fix HRTICK related deadlock from ntp lock changes
Michael Chan [Wed, 18 Sep 2013 08:50:39 +0000 (01:50 -0700)]
cnic: Fix crash in cnic_bnx2x_service_kcq()
commit
104a43edb264321a4d41850e98153b4fa8a9ef42
cnic: Use CHIP_NUM macros from bnx2x.h
changed the code to use the bnx2x macro NO_FCOE() to determine if FCoE
is supported or not. There is another place in cnic that is still using
the old method to determine if FCoE is supported or not. The 2 methods
may not yield the same result after the network interface is brought down
and up. This will cause the crash as cnic_bnx2x_service_kcq() will access
the uninitialized cp->kcq2.
The fix is to consistently use the same macro CNIC_SUPPORTS_FCOE() which
uses the bnx2x NO_FCOE() macro. As a follow-up, we can clean up the code
to remove the old method as it is no longer needed.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan [Wed, 18 Sep 2013 08:50:38 +0000 (01:50 -0700)]
bnx2x, cnic, bnx2i, bnx2fc: Fix bnx2i and bnx2fc regressions.
commit
b9871bcfd211d316adee317608dab44c58d6ea2d
bnx2x: VF RSS support - PF side
changed the configuration of the doorbell HW and it broke iSCSI and FCoE.
We fix this by making compatible changes to the doorbell address in bnx2i
and bnx2fc. For the userspace driver, we need to pass a modified CID
so that the existing userspace driver will calculate the correct doorbell
address and continue to work.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Wed, 18 Sep 2013 16:23:32 +0000 (11:23 -0500)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix comment for sched_info_depart
sched/Documentation: Update sched-design-CFS.txt documentation
sched/debug: Take PID namespace into account
sched/fair: Fix small race where child->se.parent,cfs_rq might point to invalid ones
Linus Torvalds [Wed, 18 Sep 2013 16:22:53 +0000 (11:22 -0500)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Two small fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix UAPI export of PERF_EVENT_IOC_ID
perf/x86/intel: Fix Silvermont offcore masks
David S. Miller [Wed, 18 Sep 2013 16:22:17 +0000 (12:22 -0400)]
Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-merge
Included change:
- fix the Bridge Loop Avoidance component by marking the variables containing
the VLAN ID with the HAS_TAG flag when needed.
Andrea Adami [Sun, 15 Sep 2013 22:04:42 +0000 (00:04 +0200)]
ARM: sa1100: collie.c: fall back to jedec_probe flash detection
Zaurus collie contains 2 LH28F640BFHE-PTTL90 (64M 4Mx16) and
at the moment cfi will not detect the collie NOR.
In the meanwhile we can revert to the jedec-probe map which has been
fixed with following commit:
mtd: jedec_probe: fix LH28F640BF definition
fe2f4c8e0bf2756b670ee78fa9772613a2ea8495
Somehow this is unsatisfactory because the flash is mounted READ ONLY
(as from factory, with a RO cramfs)
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Linus Walleij [Wed, 18 Sep 2013 13:08:52 +0000 (15:08 +0200)]
ARM: u300: hide submenus
Right now the U300 submenus are showcased for everyone even if
we're not on v5 multiplatforms. Hide this in the multiplatform
configuration properly.
Cc: arm@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Leonid Yegoshin [Wed, 11 Sep 2013 00:36:04 +0000 (19:36 -0500)]
MIPS: Fix VGA_MAP_MEM macro.
Use the CKSEG1ADDR macro when calculating VGA_MAP_MEM.
[ralf@linux-mips.org: Include <asm/addrspace.h for CKSEG1ADDR.]
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5814/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 12 Sep 2013 11:47:32 +0000 (13:47 +0200)]
MIPS: Reimplement get_cycles().
This essentially reverts commit
efb9ca08b5a2374b29938cdcab417ce4feb14b54
(kernel.org) / 58020a106879a8b372068741c81f0015c9b0b96dbv [[MIPS] Change
get_cycles to always return 0.]
Most users of get_cycles() invoke it as a timing interface. That's why
in modern kernels it was never very much missed for. /dev/random however
uses get_cycles() in the how the jitter in the interrupt timing contains
some useful entropy.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Enric Balletbo i Serra [Tue, 10 Sep 2013 15:35:23 +0000 (17:35 +0200)]
ARM: dts: igep00x0: Add pinmux configuration for MCBSP2
Add pinmux configuration for MCBSP2 connected to the TDM interface.
With this configuration the Headset modules works as expected.
Signed-off-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Vince Weaver [Tue, 17 Sep 2013 18:53:41 +0000 (14:53 -0400)]
perf: Fix UAPI export of PERF_EVENT_IOC_ID
Without the following patch I have problems compiling code using
the new PERF_EVENT_IOC_ID ioctl(). It looks like u64 was used
instead of __u64
Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1309171450380.11444@vincent-weaver-1.um.maine.edu
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tony Lindgren [Fri, 13 Sep 2013 19:09:57 +0000 (12:09 -0700)]
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for blaze
Commit
76787b3b (ARM: OMAP2+: Remove board-4430sdp.c)
removed legacy booting in favor of device tree based booting
for 4430sdp. That caused the WLAN to stop working as the
related .dts entries fell through the cracks.
I don't have the "1283 PG 2.21 connectivity device" on my 4430sdp,
but the earlier version of this patch was tested by Luciano
Coelho. This version has left out the input logic for MMC CLK
line compared to the earlier version as that is not bidirectional,
and should be safe to do.
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Luciano Coelho <luca@coelho.fi>
Cc: Ruslan Bilovol <ruslan.bilovol@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Tony Lindgren [Fri, 13 Sep 2013 19:09:53 +0000 (12:09 -0700)]
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for pandaboard
Commit
b42b9181 (ARM: OMAP2+: Remove board-omap4panda.c)
removed legacy booting in favor of device tree based booting
for pandaboard. That caused the WLAN to stop working as the
related .dts entries fell through the cracks.
The legacy muxing was setting pulls for GPIO 48 and 49, so let's
keep that behaviour for now to avoid further regressions for
BT and FM. Also input logic was enabled for MMC CLK line, but
I've verified that the input logic we don't need enabled for
CLK line as it's not bidirectional.
Also, we want to use non-removable instead of ti,non-removable
as the ti,non-removable also sets no_regulator_off_init which
is really not what we want as then wl12xx won't get powered
up and down which is needed for resetting it.
Note that looks like the WLAN interface fails to come up after
a warm reset, but that most likely was also happening with
the legacy booting and needs a separate fix.
Cc: Paolo Pisati <p.pisati@gmail.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Luciano Coelho <luca@coelho.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Al Viro [Tue, 17 Sep 2013 12:10:18 +0000 (08:10 -0400)]
9p: don't forget to destroy inode cache if fscache registration fails
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linus Torvalds [Wed, 18 Sep 2013 02:20:30 +0000 (22:20 -0400)]
Merge branch 'fixes' of git://git./virt/kvm/kvm
Pull KVM fixes from Gleb Natapov.
* 'fixes' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: VMX: set "blocked by NMI" flag if EPT violation happens during IRET from NMI
kvm: free resources after canceling async_pf
KVM: nEPT: reset PDPTR register cache on nested vmentry emulation
KVM: mmu: allow page tables to be in read-only slots
KVM: x86 emulator: emulate RETF imm
Linus Torvalds [Wed, 18 Sep 2013 01:54:05 +0000 (21:54 -0400)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
"Fixes for CVE-2013-2897, CVE-2013-2895, CVE-2013-2897, CVE-2013-2894,
CVE-2013-2893, CVE-2013-2891, CVE-2013-2890, CVE-2013-2889.
All the bugs are triggerable only by specially crafted evil-on-purpose
HW devices. Fixes by Kees Cook and Benjamin Tissoires"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: lenovo-tpkbd: fix leak if tpkbd_probe_tp fails
HID: multitouch: validate indexes details
HID: logitech-dj: validate output report details
HID: validate feature and input report details
HID: lenovo-tpkbd: validate output report details
HID: LG: validate HID output report details
HID: steelseries: validate output report details
HID: sony: validate HID output report details
HID: zeroplus: validate output report details
HID: provide a helper for validating hid reports
Oleg Nesterov [Sun, 15 Sep 2013 15:50:26 +0000 (17:50 +0200)]
tty: disassociate_ctty() sends the extra SIGCONT
Starting from v3.10 (probably commit
f91e2590410b: "tty: Signal
foreground group processes in hangup") disassociate_ctty() sends SIGCONT
if tty && on_exit. This breaks LSB test-suite, in particular test8 in
_exit.c and test40 in sigcon5.c.
Put the "!on_exit" check back to restore the old behaviour.
Review by Peter Hurley:
"Yes, this regression was introduced by me in that commit. The effect
of the regression is that ptys will receive a SIGCONT when, in similar
circumstances, ttys would not.
The fact that two test vectors accidentally tripped over this
regression suggests that some other apps may as well.
Thanks for catching this"
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Karel Srot <ksrot@redhat.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David S. Miller [Wed, 18 Sep 2013 00:22:53 +0000 (20:22 -0400)]
Merge branch 'master' of git://git./linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:
====================
The following patchset contains Netfilter fixes for you net tree,
mostly targeted to ipset, they are:
* Fix ICMPv6 NAT due to wrong comparison, code instead of type, from
Phil Oester.
* Fix RCU race in conntrack extensions release path, from Michal Kubecek.
* Fix missing inversion in the userspace ipset test command match if
the nomatch option is specified, from Jozsef Kadlecsik.
* Skip layer 4 protocol matching in ipset in case of IPv6 fragments,
also from Jozsef Kadlecsik.
* Fix sequence adjustment in nfnetlink_queue due to using the netlink
skb instead of the network skb, from Gao feng.
* Make sure we cannot swap of sets with different layer 3 family in
ipset, from Jozsef Kadlecsik.
* Fix possible bogus matching in ipset if hash sets with net elements
are used, from Oliver Smith.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Sridhar Samudrala [Tue, 17 Sep 2013 19:12:40 +0000 (12:12 -0700)]
vxlan: Avoid creating fdb entry with NULL destination
Commit
afbd8bae9c798c5cdbe4439d3a50536b5438247c
vxlan: add implicit fdb entry for default destination
creates an implicit fdb entry for default destination. This results
in an invalid fdb entry if default destination is not specified.
For ex:
ip link add vxlan1 type vxlan id 100
creates the following fdb entry
00:00:00:00:00:00 dev vxlan1 dst 0.0.0.0 self permanent
This patch fixes this issue by creating an fdb entry only if a
valid default destination is specified.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Neal Cardwell [Tue, 17 Sep 2013 01:44:20 +0000 (21:44 -0400)]
tcp: fix RTO calculated from cached RTT
Commit
1b7fdd2ab5852 ("tcp: do not use cached RTT for RTT estimation")
did not correctly account for the fact that crtt is the RTT shifted
left 3 bits. Fix the calculation to consistently reflect this fact.
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-By: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Avinash Kumar [Mon, 16 Sep 2013 16:09:41 +0000 (21:39 +0530)]
drivers: net: phy: cicada.c: clears warning Use #include <linux/io.h> instead of <asm/io.h>
clears following warnings :
WARNING: Use include <linux/io.h> instead of <asm/io.h>
WARNING: Use include <linux/uaccess.h> instead of <asm/uaccess.h>
Signed-off-by: Avinash Kumar <avi.kp.137@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric W. Biederman [Mon, 16 Sep 2013 23:52:41 +0000 (16:52 -0700)]
net loopback: Set loopback_dev to NULL when freed
It has recently turned up that we have a number of long standing bugs
in the network stack cleanup code with use of the loopback device
after it has been freed that have not turned up because in most cases
the storage allocated to the loopback device is not reused, when those
accesses happen.
Set looback_dev to NULL to trigger oopses instead of silent data corrupt
when we hit this class of bug.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Al Viro [Mon, 16 Sep 2013 23:22:33 +0000 (19:22 -0400)]
atomic_open: take care of EEXIST in no-open case with O_CREAT|O_EXCL in fs/namei.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Antonio Quartulli [Wed, 11 Sep 2013 17:14:44 +0000 (19:14 +0200)]
batman-adv: set the TAG flag for the vid passed to BLA
When receiving or sending a packet a packet on a VLAN, the
vid has to be marked with the TAG flag in order to make any
component in batman-adv understand that the packet is coming
from a really tagged network.
This fix the Bridge Loop Avoidance behaviour which was not
able to send announces over VLAN interfaces.
Introduced by
0b1da1765fdb00ca5d53bc95c9abc70dfc9aae5b
("batman-adv: change VID semantic in the BLA code")
Signed-off-by: Antonio Quartulli <antonio@open-mesh.org>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Ralf Baechle [Tue, 17 Sep 2013 08:25:47 +0000 (10:25 +0200)]
MIPS: Optimize current_cpu_type() for better code.
o Move current_cpu_type() to a separate header file
o #ifdefing on supported CPU types lets modern GCC know that certain
code in callers may be discarded ideally turning current_cpu_type() into
a function returning a constant.
o Use current_cpu_type() rather than direct access to struct cpuinfo_mips.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5833/
Gleb Natapov [Sun, 15 Sep 2013 08:07:23 +0000 (11:07 +0300)]
KVM: VMX: set "blocked by NMI" flag if EPT violation happens during IRET from NMI
Set "blocked by NMI" flag if EPT violation happens during IRET from NMI
otherwise NMI can be called recursively causing stack corruption.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Olof Johansson [Tue, 17 Sep 2013 16:08:24 +0000 (09:08 -0700)]
Merge tag 'imx-fixes-3.12' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo, imx fixes for 3.12:
* A couple of clock driver and device tree fixes
* A bug fix for clk-fixup-mux to get imx6sl back to boot
* A L2 cache setting fix for imx6q
* One pinctrl macro fix for UART2 DTE entries
* tag 'imx-fixes-3.12' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: dts: imx6q: fix the wrong offset of the Pad Mux register
ARM: imx: i.mx6d/q: disable the double linefill feature of PL310
ARM: imx51.dtsi: fix PATA device clock
ARM: mach-imx: clk-imx51-imx53: Fix 'spdif1_pred' clock registration
ARM: imx: initialize clk_init_data.flags for clk-fixup-mux
ARM: imx27.dtsi: fix CSPI PER clock id
Signed-off-by: Olof Johansson <olof@lixom.net>
Ezequiel Garcia [Mon, 12 Aug 2013 17:14:46 +0000 (14:14 -0300)]
mtd: nand: pxa3xx: Remove unneeded ifdef CONFIG_OF
There's no need to enclose this code within idef CONFIG_OF,
because the OF framework provides no-op stubs if CONFIG_OF=n.
Cc: devicetree@vger.kernel.org
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Mon, 16 Sep 2013 16:01:24 +0000 (09:01 -0700)]
ARM: multi_v7_defconfig: enable ARM_ATAG_DTB_COMPAT
Without this, legacy platforms that can boot with a multiplatform
kernel but that need the DTB to be appended, won't have a way to pass
firmware-set bootargs to the kernel.
This is needed to boot multi_v7_defconfig on snowball, for instance.
Signed-off-by: Olof Johansson <olof@lixom.net>
Linus Walleij [Mon, 16 Sep 2013 12:22:04 +0000 (14:22 +0200)]
ARM: ux500: disable outer cache debug
This fixes a multiplatform regression on the Ux500.
When compiling the Ux500 platforms in multiplatform configurations
both PL310_ERRATA_588369 and PL310_ERRATA_727915 would crash the
platform when trying to launch the init process.
The Ux500 cannot access the debug registers of the PL310, it will
just crash if you try this. So disable this by setting the debug
callback to NULL when initializing the l2x0 on this platform.
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Ralf Baechle [Tue, 17 Sep 2013 10:44:31 +0000 (12:44 +0200)]
MIPS: Fix accessing to per-cpu data when flushing the cache
This fixes the following issue
BUG: using smp_processor_id() in preemptible [
00000000] code: kjournald/1761
caller is blast_dcache32+0x30/0x254
Call Trace:
[<
8047f02c>] dump_stack+0x8/0x34
[<
802e7e40>] debug_smp_processor_id+0xe0/0xf0
[<
80114d94>] blast_dcache32+0x30/0x254
[<
80118484>] r4k_dma_cache_wback_inv+0x200/0x288
[<
80110ff0>] mips_dma_map_sg+0x108/0x180
[<
80355098>] ide_dma_prepare+0xf0/0x1b8
[<
8034eaa4>] do_rw_taskfile+0x1e8/0x33c
[<
8035951c>] ide_do_rw_disk+0x298/0x3e4
[<
8034a3c4>] do_ide_request+0x2e0/0x704
[<
802bb0dc>] __blk_run_queue+0x44/0x64
[<
802be000>] queue_unplugged.isra.36+0x1c/0x54
[<
802beb94>] blk_flush_plug_list+0x18c/0x24c
[<
802bec6c>] blk_finish_plug+0x18/0x48
[<
8026554c>] journal_commit_transaction+0x3b8/0x151c
[<
80269648>] kjournald+0xec/0x238
[<
8014ac00>] kthread+0xb8/0xc0
[<
8010268c>] ret_from_kernel_thread+0x14/0x1c
Caches in most systems are identical - but not always, so we can't avoid
the use of smp_call_function() by just looking at the boot CPU's data,
have to fiddle with preemption instead.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5835
Linus Torvalds [Tue, 17 Sep 2013 15:40:49 +0000 (11:40 -0400)]
Merge git://git./linux/kernel/git/cmetcalf/linux-tile
Pull more tile architecture updates from Chris Metcalf:
"This second batch of changes is just cleanup of various kinds from
doing some tidying work in the sources.
Some dead code is removed, comment typos fixed, whitespace and style
issues cleaned up, and some header updates from our internal
"upstream" architecture team"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: remove stray blank space
tile: <arch/> header updates from upstream
tile: improve gxio iorpc autogenerated code style
tile: double default VMALLOC space
tile: remove stale arch/tile/kernel/futex_64.S
tile: remove HUGE_VMAP dead code
tile: use pmd_pfn() instead of casting via pte_t
tile: fix typos in comment in arch/tile/kernel/unaligned.c
Ben Skeggs [Tue, 17 Sep 2013 04:13:32 +0000 (14:13 +1000)]
drm/nouveau/ttm: prevent double-free in nouveau_sgdma_create_ttm() failure path
TTM calls the destructor on its own already...
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Tue, 17 Sep 2013 00:20:31 +0000 (10:20 +1000)]
drm/nouveau/bios/init: fix thinko in INIT_CONFIGURE_MEM
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Tue, 10 Sep 2013 03:20:34 +0000 (13:20 +1000)]
drm/nouveau/kms: enable for non-vga pci classes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Tue, 10 Sep 2013 02:11:01 +0000 (12:11 +1000)]
drm/nouveau/bios/init: stub opcode 0xaa
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Felipe Balbi [Wed, 21 Aug 2013 14:31:31 +0000 (20:01 +0530)]
ARM: dts: OMAP5: fix ocp2scp DTS data
Fix the DTS data for ocp2scp node by adding the
missing reg property.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Felipe Balbi [Wed, 21 Aug 2013 14:31:30 +0000 (20:01 +0530)]
ARM: dts: OMAP5: fix reg property size
USB3 block has a 64KiB space, another 64KiB is
used for the wrapper.
Without this change, resource_size() will get
confused and driver won't probe because size
will be negative.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Koen Kooi [Mon, 9 Sep 2013 14:29:21 +0000 (16:29 +0200)]
ARM: dts: am335x-bone*: add DT for BeagleBone Black
The BeagleBone Black is basically a regular BeagleBone with eMMC and
HDMI added, so create a common dtsi both can use.
IMPORTANT: booting the existing am335x-bone.dts will blow up the HDMI
transceiver after a dozen boots with an uSD card inserted because LDO
will be at 3.3V instead of 1.8.
MMC support for AM335x still isn't in, so only the LDO change has been
added.
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Tested-by: Tom Rini <trini@ti.com>
Tested-by: Matt Porter <matt.porter@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Robert Nelson [Wed, 7 Aug 2013 14:14:15 +0000 (09:14 -0500)]
ARM: dts: omap3-beagle-xm: fix string error in compatible property
The beagle and beagle-xm entries were inside the same double quote.
Split them to have two distinct entries.
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Ralf Baechle [Tue, 17 Sep 2013 11:58:12 +0000 (13:58 +0200)]
MIPS: Provide nice way to access boot CPU's data.
boot_cpu_data is used the same as current_cpu_data but returns the CPU
data for CPU 0. This means it doesn't have to use smp_processor_id()
thus no need to disable preemption.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Gao feng [Tue, 17 Sep 2013 11:03:47 +0000 (13:03 +0200)]
netfilter: nfnetlink_queue: use network skb for sequence adjustment
Instead of the netlink skb.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Radim Krčmář [Wed, 4 Sep 2013 20:32:23 +0000 (22:32 +0200)]
kvm: free resources after canceling async_pf
When we cancel 'async_pf_execute()', we should behave as if the work was
never scheduled in 'kvm_setup_async_pf()'.
Fixes a bug when we can't unload module because the vm wasn't destroyed.
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Gleb Natapov [Mon, 2 Sep 2013 12:25:28 +0000 (15:25 +0300)]
KVM: nEPT: reset PDPTR register cache on nested vmentry emulation
After nested vmentry stale cache can be used to reload L2 PDPTR pointers
which will cause L2 guest to fail. Fix it by invalidating cache on nested
vmentry emulation.
https://bugzilla.kernel.org/show_bug.cgi?id=60830
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Mon, 9 Sep 2013 11:52:33 +0000 (13:52 +0200)]
KVM: mmu: allow page tables to be in read-only slots
Page tables in a read-only memory slot will currently cause a triple
fault because the page walker uses gfn_to_hva and it fails on such a slot.
OVMF uses such a page table; however, real hardware seems to be fine with
that as long as the accessed/dirty bits are set. Save whether the slot
is readonly, and later check it when updating the accessed and dirty bits.
Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Bruce Rogers [Mon, 9 Sep 2013 15:40:20 +0000 (09:40 -0600)]
KVM: x86 emulator: emulate RETF imm
Opcode CA
This gets used by a DOS based NetWare guest.
Signed-off-by: Bruce Rogers <brogers@suse.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Aaro Koskinen [Thu, 5 Sep 2013 18:44:01 +0000 (21:44 +0300)]
staging: octeon-ethernet: rgmii: enable interrupts that we can handle
Enable only those interrupts that we can handle & acknowledge in the
interrupt handler.
At least on EdgeRouter Lite, the hardware may occasionally interrupt with
some error condition when the physical link status changes frequently.
Since the interrupt condition is not acked properly, this leads to the
following warning and the IRQ gets disabled completely:
[ 41.324700] eth0: Link down
[ 44.324721] eth0: 1000 Mbps Full duplex, port 0, queue 0
[ 44.885590] irq 117: nobody cared (try booting with the "irqpoll" option)
[ 44.892397] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
3.11.0-rc5-edge-los.git-27d042f-dirty-00950-gaa42f2d-dirty #8
[ 44.902825] Stack :
ffffffff815c0000 0000000000000004 0000000000000003 0000000000000000
ffffffff81fd0000 ffffffff815c0000 0000000000000004 ffffffff8118530c
ffffffff815c0000 ffffffff811858d8 0000000000000000 0000000000000000
ffffffff81fd0000 ffffffff81fc0000 ffffffff8152f3a0 ffffffff815b7bf7
ffffffff81fc6688 ffffffff815b8060 0000000000000000 0000000000000000
0000000000000000 ffffffff815346c8 ffffffff815346b0 ffffffff814a6a18
ffffffff8158b848 ffffffff81145614 ffffffff81593800 ffffffff81187174
ffffffff815b7d00 ffffffff8158b760 0000000000000000 ffffffff814a9184
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 ffffffff811203b8 0000000000000000 0000000000000000
...
[ 44.968408] Call Trace:
[ 44.970873] [<
ffffffff811203b8>] show_stack+0x68/0x80
[ 44.975937] [<
ffffffff814a9184>] dump_stack+0x78/0xb8
[ 44.980999] [<
ffffffff811aac54>] __report_bad_irq+0x44/0x108
[ 44.986662] [<
ffffffff811ab238>] note_interrupt+0x248/0x2a0
[ 44.992240] [<
ffffffff811a85e4>] handle_irq_event_percpu+0x144/0x200
[ 44.998598] [<
ffffffff811a86f4>] handle_irq_event+0x54/0x90
[ 45.004176] [<
ffffffff811ab908>] handle_level_irq+0xd0/0x148
[ 45.009839] [<
ffffffff811a7b04>] generic_handle_irq+0x34/0x50
[ 45.015589] [<
ffffffff8111dae8>] do_IRQ+0x18/0x30
[ 45.020301] [<
ffffffff8110486c>] plat_irq_dispatch+0x74/0xb8
[ 45.025958]
[ 45.027451] handlers:
[ 45.029731] [<
ffffffff813fca10>] cvm_oct_rgmii_rml_interrupt
[ 45.035397] Disabling IRQ #117
[ 45.038742] Port 0 receive error code 13, packet dropped
[ 46.324719] eth0: Link down
[ 48.324733] eth0: 1000 Mbps Full duplex, port 0, queue 0
Reported-by: "Jason A. Donenfeld" <Jason@zx2c4.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-mips@linux-mips.org
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: richard@nod.at
Patchwork: https://patchwork.linux-mips.org/patch/5810/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Aaro Koskinen [Thu, 5 Sep 2013 18:44:00 +0000 (21:44 +0300)]
staging: octeon-ethernet: remove skb alloc failure warnings
Remove skb allocation failure warnings. They will trigger a page
allocation warning already. Also, one of the warnings was not ratelimited,
causing the box to lock up under heavy traffic & low memory.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-mips@linux-mips.org
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: richard@nod.at
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Patchwork: https://patchwork.linux-mips.org/patch/5811/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Aaro Koskinen [Thu, 5 Sep 2013 18:43:59 +0000 (21:43 +0300)]
staging: octeon-ethernet: make dropped packets to consume NAPI budget
We should count also dropped packets, otherwise the NAPI handler may
end up running too long.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-mips@linux-mips.org
Cc: David Daney <david.daney@cavium.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: richard@nod.at
Patchwork: https://patchwork.linux-mips.org/patch/5809/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Huang Shijie [Mon, 16 Sep 2013 09:02:45 +0000 (17:02 +0800)]
ARM: dts: imx6q: fix the wrong offset of the Pad Mux register
The patch "
0b7a76a ARM: dts: imx6q{dl}: add DTE pads for uart"
adds the DTE pads for uart. For PAD_EIM_D29, the offset of the
Pad Mux register should be 0x0c8, not 0x0c4.
This patch fixes it.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Jason Liu [Mon, 16 Sep 2013 01:29:03 +0000 (09:29 +0800)]
ARM: imx: i.mx6d/q: disable the double linefill feature of PL310
The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0
The L2 cache controller(PL310) version on the i.MX6DL/SOLO/SL is r3p2
But according to ARM PL310 errata: 752271
ID: 752271: Double linefill feature can cause data corruption
Fault Status: Present in: r3p0, r3p1, r3p1-50rel0. Fixed in r3p2
Workaround: The only workaround to this erratum is to disable the
double linefill feature. This is the default behavior.
without this patch, you will meet the following error when run the
memtester application at: http://pyropus.ca/software/memtester/
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365664.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365668.
FAILURE: 0x00100000 != 0x00200000 at offset 0x0136566c.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365670.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365674.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365678.
Signed-off-by: Jason Liu <r64343@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Arnaud Patard (Rtp) [Sat, 7 Sep 2013 13:23:14 +0000 (15:23 +0200)]
ARM: imx51.dtsi: fix PATA device clock
Commit
718a350 (ARM: i.MX51: Add PATA support) adds pata support to the
imx51.dtsi file and is using clock 161. The problem is that the right
clock is 172, according to commit
5d530bb (ARM: i.MX5: Add PATA and SRTC
clocks). Using the clock 172 makes things work again (and kills a nasty
system freeze).
Tested-by: Steev Klimaszewski <steev@gentoo.org>
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Fabio Estevam [Thu, 5 Sep 2013 19:02:57 +0000 (16:02 -0300)]
ARM: mach-imx: clk-imx51-imx53: Fix 'spdif1_pred' clock registration
Since commit
beb2d1c1ba (ARM i.MX5: Add S/PDIF clocks), the following clock
error appears on mx51:
TrustZone Interrupt Controller (TZIC) initialized
i.MX51 clk 180: register failed with -17
i.MX5 clk 180: register failed with -17
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
CPU identified as i.MX51, silicon rev 3.0
...
Clock 180 corresponds to 'spdif1_podf' and this clock is getting registered
twice.
Fix it, by properly registering the 'spdif1_pred' clock, which should not
reference 'spdif1_podf'.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Shawn Guo [Wed, 4 Sep 2013 12:49:04 +0000 (20:49 +0800)]
ARM: imx: initialize clk_init_data.flags for clk-fixup-mux
The clk_init_data.flags of clk-fixup-mux is left there without
initialization. It may hold some random data and cause clock framework
interpret the clock in an unexpected way. At least on imx6sl, the
following division by zero error with sched_clock is seen because of it.
Division by zero in kernel.
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.11.0-rc3+ #19
Backtrace:
[<
80011af0>] (dump_backtrace+0x0/0x10c) from [<
80011c90>] (show_stack+0x18/0x1c)
r6:
3b9aca00 r5:
00000020 r4:
00000000 r3:
00000000
[<
80011c78>] (show_stack+0x0/0x1c) from [<
8055e02c>] (dump_stack+0x78/0x94)
[<
8055dfb4>] (dump_stack+0x0/0x94) from [<
80011924>] (__div0+0x18/0x20)
r4:
00000000 r3:
00000000
[<
8001190c>] (__div0+0x0/0x20) from [<
8026c408>] (Ldiv0_64+0x8/0x18)
[<
8006330c>] (clocks_calc_mult_shift+0x0/0xf8) from [<
8072f604>] (setup_sched_clock+0x88/0x1f0)
[<
8072f57c>] (setup_sched_clock+0x0/0x1f0) from [<
8071ad48>] (mxc_timer_init+0xe8/0x17c)
[<
8071ac60>] (mxc_timer_init+0x0/0x17c) from [<
807290b0>] (imx6sl_clocks_init+0x1db8/0x1dc0)
r8:
807a9ca4 r7:
00000000 r6:
80777564 r5:
8100c1f4 r4:
c0820000
[<
807272f8>] (imx6sl_clocks_init+0x0/0x1dc0) from [<
807420ac>] (of_clk_init+0x40/0x6c)
[<
8074206c>] (of_clk_init+0x0/0x6c) from [<
807290cc>] (imx6sl_timer_init+0x14/0x18)
r5:
807a8e80 r4:
ffffffff
[<
807290b8>] (imx6sl_timer_init+0x0/0x18) from [<
80716e1c>] (time_init+0x24/0x34)
[<
80716df8>] (time_init+0x0/0x34) from [<
80713738>] (start_kernel+0x1b0/0x310)
[<
80713588>] (start_kernel+0x0/0x310) from [<
80008074>] (0x80008074)
r7:
80770b08 r6:
80754cd4 r5:
8076c8c4 r4:
10c53c7d
sched_clock: 32 bits at 0 Hz, resolution 0ns, wraps every 0ms
Fix the bug by initializing init.flags as zero.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Gwenhael Goavec-Merou [Fri, 16 Aug 2013 06:45:35 +0000 (08:45 +0200)]
ARM: imx27.dtsi: fix CSPI PER clock id
CSPI PER clock is per2clk (per2_gate id 60) instead of cspiX_ipg_gate.
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>