Mikael Pettersson [Tue, 19 Jun 2007 19:53:30 +0000 (21:53 +0200)]
sata_promise: cleanups
This patch applies some trivial cleanups to sata_promise:
- repair whitespace damage
- correct comment at board_2057x_pata definition
- pull SATAII TX4 support code out to separate functions
- rename ata_nr to ata_no for consistency with libata's port_no
- remove some init-time debug printks (requested by Jeff)
This patch should cause no behavioural changes, except for
the removed printks.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
--
drivers/ata/sata_promise.c | 56 ++++++++++++++++++---------------------------
1 files changed, 23 insertions(+), 33 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 13:03:51 +0000 (09:03 -0400)]
[libata] pata_ixp4xx: kill unused var
Reported by Michael-Luke Jones.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Fri, 25 May 2007 17:16:58 +0000 (19:16 +0200)]
ata_piix: fix pio/mwdma programming
Fix various bugs in pio/mwdma mode programming.
* Control bits in the timing register wasn't cleared properly while
programming PIO mode.
* MWDMA mode programming cleared the wrong part of control bits.
* MWDMA mode programming cleared udma_mask even when the controller
doesn't support UDMA.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Art Haas <ahaas@airmail.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 12:33:01 +0000 (08:33 -0400)]
[libata] ahci: minor internal cleanups
Minor cleanups, in preparation for merging Marvell PATA AHCI support in
the future.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 12:30:36 +0000 (08:30 -0400)]
[ATA] Add named constant for ATAPI command DEVICE RESET
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 12:17:06 +0000 (08:17 -0400)]
[libata] sata_sx4, sata_via: minor documentation updates
sata_sx4:
- describe overall driver theory of operation
- add a few constants that will be used in the future
sata_via:
- remove mention of an old-EH function that is going away
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Sun, 27 May 2007 00:46:51 +0000 (20:46 -0400)]
[libata] ahci: minor internal cleanups
Function renaming and factorization.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 11:45:27 +0000 (07:45 -0400)]
[libata] ahci: Factor out SATA port init into a separate function
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 11:22:30 +0000 (07:22 -0400)]
[libata] pata_sil680: minor cleanups from benh
Merge unrelated cleanups (__devinit, dev_dbg, hardware constant)
from changeset "pata_sil680: Add MMIO support" authored by
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 02:58:54 +0000 (22:58 -0400)]
[libata] sata_sx4: named constant cleanup
* convert tabs to spaces
* convert some hex numbers to (1 << n) preferred format
* document i2c and timer control register bits
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Alessandro Zummo [Sat, 26 May 2007 23:26:55 +0000 (19:26 -0400)]
[libata] pata_ixp4xx: convert to new EH
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Sat, 26 May 2007 22:20:51 +0000 (18:20 -0400)]
[libata] pdc_adma: Reorder initializers with a couple structs
Make it easier to verify which struct initializers are present, by
presenting them in the order in which they are defined in the API
header.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 11:07:20 +0000 (07:07 -0400)]
[libata] drivers: remove 'void __iomem *' casts from pre-iomap days
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Mon, 28 May 2007 10:59:48 +0000 (06:59 -0400)]
[libata] PATA drivers: remove ATA_FLAG_SRST
This flag only has meaning in old-EH drivers, and these drivers have
already been converted to the new EH. Remove.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Sat, 26 May 2007 20:35:42 +0000 (16:35 -0400)]
[libata] sata_sil: register table cleanup
Make the register offset table more maintainable.
From the 'sii-lbt' branch, which enables the LBT chip feature.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jens Axboe [Tue, 22 May 2007 07:45:39 +0000 (09:45 +0200)]
use_clustering (sht) bit set to 0 in AHCI ?
ahci: enable sg segment clustering
The specification states that ahci supports segments up to 4MiB in size,
so enable clustering.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 21 May 2007 16:33:47 +0000 (18:33 +0200)]
libata: replace ap->cbl tests with ATA_FLAG_SATA tests
ap->cbl == ATA_CBL_SATA indicates SATA cable while ap->flags &
ATA_FLAG_SATA indicates SATA host port. Till now they always gave the
same result but SATA/PATA bridge handling will change that. Switch to
ATA_FLAG_SATA test if we're testing for host port type.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Fri, 25 May 2007 03:05:25 +0000 (23:05 -0400)]
[libata] pata_atiixp: add SB700 PCI ID
From AMD.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
libata-acpi: implement _GTM/_STM support
Implement _GTM/_STM support. acpi_gtm is added to ata_port which
stores _GTM parameters over suspend/resume cycle. A new hook
ata_acpi_on_suspend() is responsible for storing _GTM parameters
during suspend. _STM is executed in ata_acpi_on_resume(). With this
change, invoking _GTF is safe on IDE hierarchy and acpi_sata check
before _GTF is removed.
ata_acpi_gtm() and ata_acpi_stm() implementation is taken from Alan
Cox's pata_acpi implementation. ata_acpi_gtm() is fixed such that the
result parameter is not shifted by sizeof(union acpi_object).
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
libata-acpi: remove redundant checks
Remove remaining unnecessary feature and status checks.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
libata: reimplement ACPI invocation
This patch reimplements ACPI invocation such that, instead of
exporting ACPI details to the rest of libata, ACPI event handlers -
ata_acpi_on_resume() and ata_acpi_on_devcfg() - are used. These two
functions are responsible for determining whether specific ACPI method
is used and when.
On resume, _GTF is scheduled by setting ATA_DFLAG_ACPI_PENDING device
flag. This is done this way to avoid performing the action on wrong
device device (device swapping while suspended).
On every ata_dev_configure(), ata_acpi_on_devcfg() is called, which
performs _SDD and _GTF. _GTF is performed only after resuming and, if
SATA, hardreset as the ACPI spec specifies. As _GTF may contain
arbitrary commands, IDENTIFY page is re-read after _GTF taskfiles are
executed.
If one of ACPI methods fails, ata_acpi_on_devcfg() retries on the
first failure. If it fails again on the second try, ACPI is disabled
on the device. Note that successful configuration clears ACPI failed
status.
With all feature checks moved to the above two functions,
do_drive_set_taskfiles() is trivial and thus collapsed into
ata_acpi_exec_tfs(), which is now static and converted to return the
number of executed taskfiles to be used by ata_acpi_on_resume(). As
failures are handled properly, ata_acpi_push_id() now returns -errno
on errors instead of unconditional zero.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
libata-acpi: miscellaneous cleanups
* Add missing LOCKING: and RETURNS: to function comment.
* Don't conditionalize warning messages with ata_msg_probe(). Print
directly with KERN_WARNING.
* Drop duplicate debug messages.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
libata-acpi: clean up ata_acpi_exec_tfs()
This patch cleans up ata_acpi_exec_tfs() and its friends.
* Rename taskfile_array to ata_acpi_gtf and make it __packed as it's
used as argument to ACPI method, and use pointer to ata_acpi_gtf and
number of taskfiles to represent _GTF taskfiles instead of a pointer
casted into unsigned long and byte count. This makes argument
re-checking in do_drive_set_taskfiles() unnecessary.
* Pointer in void * not in unsigned long.
* Clean up do_drive_get_GTF() error handling and make
do_drive_get_GTF() return number of taskfiles on success, 0 if _GTF
doesn't exist or doesn't contain valid ata. -errno on other errors.
* Remove superflous check for acpi->buffer.pointer.
* Update taskfile_load_raw() such that printed messages look similar
to the messages printed by ata_eh_report().
* s/do_drive_get_GTF/ata_dev_get_GTF/
s/do_drive_set_taskfiles/ata_dev_set_taskfiles/
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
libata-acpi: implement ata_acpi_associate()
* Add acpi_handle to ata_host and ata_port. Rename
ata_device->obj_handle to ->acpi_handle and move it above such that
it doesn't get cleared on reconfiguration.
* Replace ACPI node association which ata_acpi_associate() which is
called once during host initialization. Unlike the previous
implementation, ata_acpi_associate() uses ATA_FLAG_ACPI_SATA to
choose between IDE or SATA ACPI hierarchy and uses simple child look
up instead of recursive walk to match the nodes. This is way safer
and simpler. Please read the following message for more info.
http://article.gmane.org/gmane.linux.ide/17554
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Linus Torvalds [Sun, 8 Jul 2007 23:32:17 +0000 (16:32 -0700)]
Linux 2.6.22
Woo-hoo. I'm sure somebody will report a "this doesn't compile, and
I have a new root exploit" five minutes after release, but it still
feels good ;)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 8 Jul 2007 19:14:27 +0000 (12:14 -0700)]
Merge /pub/scm/linux/kernel/git/bart/ide-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
qd65xx: fix PIO mode selection
sis5513: adding PCI-ID
Linus Torvalds [Sun, 8 Jul 2007 19:02:55 +0000 (12:02 -0700)]
Fix permission checking for the new utimensat() system call
Commit
1c710c896eb461895d3c399e15bb5f20b39c9073 added the utimensat()
system call, but didn't handle the case of checking for the writability
of the target right, when the target was a file descriptor, not a
filename.
We cannot use vfs_permission(MAY_WRITE) for that case, and need to
simply check whether the file descriptor is writable. The oops from
using the wrong function was noticed and narrowed down by Markus
Trippelsdorf.
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Peter Zijlstra [Sun, 8 Jul 2007 08:13:06 +0000 (01:13 -0700)]
mm: double mark_page_accessed() in read_cache_page_async()
Fix a post-2.6.21 regression.
read_cache_page_async() has two invocations of mark_page_accessed() which will
launch pages right onto the active list.
Remove the first one, keeping the latter one. This avoids marking unwanted
pages active (in the retry loop).
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bartlomiej Zolnierkiewicz [Sun, 8 Jul 2007 13:21:58 +0000 (15:21 +0200)]
qd65xx: fix PIO mode selection
PIO4 is a maximum PIO mode supported by a driver. Using "255" as a max_mode
argument to ide_get_best_pio_mode() could result in wrong timings being used
by a driver (for "pio" equal to 5) or OOPS (for "pio" values > 5 && < 255).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Reviewed-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Uwe Koziolek [Sun, 8 Jul 2007 13:21:58 +0000 (15:21 +0200)]
sis5513: adding PCI-ID
The SiS966 has one additional PCI-ID 1180.
If the chipset is using this PCI-ID, the primary channel is connected to the
first PATA-port. The secondary channel is connected to SATA-ports in IDE
emulation mode. The legacy IO-ports are used.
The including of the PCI-ID into pata_sis is not sufficient, because the legacy
driver in drivers/ide is initialized before pata_sis.
Signed-off-by: Uwe Koziolek <uwe.koziolek@gmx.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Adrian Bunk [Sat, 7 Jul 2007 04:14:02 +0000 (06:14 +0200)]
DLM must depend on SYSFS
The dependency of DLM on SYSFS got lost in
commit
6ed7257b46709e87d79ac2b6b819b7e0c9184998 resulting in the
following compile error with CONFIG_DLM=y, CONFIG_SYSFS=n:
<-- snip -->
...
LD .tmp_vmlinux1
fs/built-in.o: In function `dlm_lockspace_init':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/fs/dlm/lockspace.c:231: undefined reference to `kernel_subsys'
fs/built-in.o: In function `configfs_init':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/fs/configfs/mount.c:143: undefined reference to `kernel_subsys'
make[1]: *** [.tmp_vmlinux1] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Dave Jones [Fri, 6 Jul 2007 18:59:43 +0000 (14:59 -0400)]
Clean up E7520/7320/7525 quirk printk.
The printk level in this printk is bogus, as the previous printk
didn't have a terminating \n resulting in ..
Intel E7520/7320/7525 detected.<6>Disabling irq balancing and affinity
It also never printed a \n at all in the case where we didn't do
the quirk.
Change it to only make noise if it actually does something useful.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Adrian Bunk [Fri, 6 Jul 2007 22:54:09 +0000 (00:54 +0200)]
include/linux/kallsyms.h must #include <linux/errno.h>
This patch fixes the following 2.6.22 regression with CONFIG_KALLSYMS=n:
<-- snip -->
...
CC arch/m32r/kernel/traps.o
In file included from /home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/arch/m32r/kernel/traps.c:14:
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h: In function 'lookup_symbol_name':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: 'ERANGE' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h: In function 'lookup_symbol_attrs':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:71: error: 'ERANGE' undeclared (first use in this function)
make[2]: *** [arch/m32r/kernel/traps.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Woodhouse [Sat, 7 Jul 2007 18:58:39 +0000 (14:58 -0400)]
Fix use-after-free oops in Bluetooth HID.
When cleaning up HIDP sessions, we currently close the ACL connection
before deregistering the input device. Closing the ACL connection
schedules a workqueue to remove the associated objects from sysfs, but
the input device still refers to them -- and if the workqueue happens to
run before the input device removal, the kernel will oops when trying to
look up PHYSDEVPATH for the removed input device.
Fix this by deregistering the input device before closing the
connections.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Christoph Lameter [Fri, 6 Jul 2007 18:17:32 +0000 (11:17 -0700)]
slub: remove useless EXPORT_SYMBOL
kmem_cache_open is static. EXPORT_SYMBOL was leftover from some earlier
time period where kmem_cache_open was usable outside of slub.
(Fixes powerpc build error)
Signed-off-by: Chrsitoph Lameter <clameter@sgi.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
maximilian attems [Fri, 6 Jul 2007 18:17:32 +0000 (11:17 -0700)]
MAINTAINERS new kernel janitors ml
davem kindly moved the list from osdl to vger.
Signed-of-by: maximilian attems <max@stro.at>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andres Salomon [Fri, 6 Jul 2007 18:17:30 +0000 (11:17 -0700)]
GEODE: reboot fixup for geode machines with CS5536 boards
Writing to MSR 0x51400017 forces a hard reset on CS5536-based machines,
this has the reboot fixup do just that if such a board is detected.
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Fri, 6 Jul 2007 17:30:12 +0000 (10:30 -0700)]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETPOLL]: Fixups for 'fix soft lockup when removing module'
[NET]: net/core/netevent.c should #include <net/netevent.h>
[NETFILTER]: nf_conntrack_h323: add checking of out-of-range on choices' index values
[NET] skbuff: remove export of static symbol
SCTP: Add scope_id validation for link-local binds
SCTP: Check to make sure file is valid before setting timeout
SCTP: Fix thinko in sctp_copy_laddrs()
Linus Torvalds [Fri, 6 Jul 2007 17:29:33 +0000 (10:29 -0700)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Fix scheduling latency issue on 24K, 34K and 74K cores
[MIPS] Add macros to encode processor revisions.
[MIPS] RM7000: Enable ICACHE_REFILLS_WORKAROUND_WAR.
[MIPS] SMTC: Fix cut'n'paste bug in Kconfig.debug
[MIPS] Change libgcc-style functions from lib-y to obj-y
[MIPS] Fix timer/performance interrupt detection
[MIPS] AP/SP: Avoid triggering the 34K E125 performance issue
[MIPS] 64-bit TO_PHYS_MASK macro for RM9000 processors
Peter Zijlstra [Fri, 6 Jul 2007 11:35:34 +0000 (13:35 +0200)]
mm: fixup /proc/vmstat output
Line up the vmstat_text with zone_stat_item
enum zone_stat_item {
/* First 128 byte cacheline (assuming 64 bit words) */
NR_FREE_PAGES,
NR_INACTIVE,
NR_ACTIVE,
We current have nr_active and nr_inactive reversed.
[ "OK with patch, though using initializers canbe handy to prevent such
things in future:
static const char * const vmstat_text[] = {
[NR_FREE_PAGES] = "nr_free_pages",
..."
- Alexey ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Yoann Padioleau [Fri, 6 Jul 2007 09:39:56 +0000 (02:39 -0700)]
potential compiler error, irqfunc caller sites update
In
7d12e780e003f93433d49ce78cfedf4b4c52adc5 David Howells performed
this evolution:
"IRQ: Maintain regs pointer globally rather than passing to IRQ handlers"
He correctly updated many of the function definitions that were using this
extra regs pointer parameter but forgot to update some caller sites of
those functions. The reason the modifications was not properly done on all
drivers is that some drivers were rarely compiled because they are for
AMIGA, or that some code sites were inside #ifdefs where the option is not
set or inside #if 0.
Here is the semantic patch that found the occurences
and fixed the problem.
@ rule1 @
identifier fn;
identifier irq, dev_id;
typedef irqreturn_t;
@@
static irqreturn_t fn(int irq, void *dev_id)
{
...
}
@@
identifier rule1.fn;
expression E1, E2, E3;
@@
fn(E1, E2
- ,E3
)
Signed-off-by: Yoann Padioleau <padator@wanadoo.fr>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Vivek Goyal [Fri, 6 Jul 2007 09:39:55 +0000 (02:39 -0700)]
i386: es7000 build breakage fix
o Commit
1833d6bc72893265f22addd79cf52e6987496e0f broke the build if
compiled with CONFIG_ES7000=y and CONFIG_X86_GENERICARCH=n
arch/i386/kernel/built-in.o(.init.text+0x4fa9): In function `acpi_parse_madt':
: undefined reference to `acpi_madt_oem_check'
arch/i386/kernel/built-in.o(.init.text+0x7406): In function `smp_read_mpc':
: undefined reference to `mps_oem_check'
arch/i386/kernel/built-in.o(.init.text+0x8990): In function
`connect_bsp_APIC':
: undefined reference to `enable_apic_mode'
make: *** [.tmp_vmlinux1] Error 1
o Fix the build issue. Provided the definitions of missing functions.
o Don't have ES7000 machine. Only compile tested.
Cc: Len Brown <lenb@kernel.org>
Cc: Natalie Protasevich <protasnb@gmail.com>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bjorn Helgaas [Fri, 6 Jul 2007 09:39:54 +0000 (02:39 -0700)]
PNP SMCf010 quirk: work around Toshiba Portege 4000 ACPI issues
When we enable the SMCf010 IR device, the Toshiba Portege 4000 BIOS claims
the device is working, but it really isn't configured correctly. The BIOS
*will* configure it, but only if we call _SRS after (1) reversing the order
of the SIR and FIR I/O port regions and (2) changing the IRQ from
active-high to active-low.
This patch addresses the 2.6.22 regression:
"no irda0 interface (2.6.21 was OK), smsc does not find chip"
I tested this on a Portege 4000. The smsc-ircc2 driver correctly detects
the device, and "irattach irda0 -s && irdadump" shows transmitted and
received packets.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: "Linus Walleij (LD/EAB)" <linus.walleij@ericsson.com>
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alexander Graf [Fri, 6 Jul 2007 09:39:53 +0000 (02:39 -0700)]
fix logic error in ipc compat semctl()
When calling a semctl(IPC_STAT) without IPC_64 the check if the memory is
unevaluated. This patch fixes this.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Woodhouse [Fri, 6 Jul 2007 09:39:52 +0000 (02:39 -0700)]
x86_64: fix headers_install
A bug in headers_install for ARCH=x86_64 yields an asm/ directory full of
files all of which are using the same #ifdef guard, "__ASM_STUB_" with no
postfix. So the second and later asm files #included in the same C file
(often through standard headers like ioctl.h) yields no symbols.
Strangeness with the Ubuntu 'tell me if I support something that's not
explcitly mentioned in POSIX, and I'll strip it out' shell, I believe.
We don't need the 'export' but we do need a semicolon at the end of the
FNAME line:
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Loic Prylli [Fri, 6 Jul 2007 09:39:52 +0000 (02:39 -0700)]
MTRR: Fix race causing set_mtrr to go into infinite loop
Processors synchronization in set_mtrr requires the .gate field to be set
after .count field is properly initialized. Without an explicit barrier,
the compiler was reordering those memory stores. That was sometimes
causing a processor (in ipi_handler) to see the .gate change and decrement
.count before the latter is set by set_mtrr() (which then hangs in a
infinite loop with irqs disabled).
Signed-off-by: Loic Prylli <loic@myri.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jason Wessel [Fri, 6 Jul 2007 09:39:50 +0000 (02:39 -0700)]
i386: fix regression, endless loop in ptrace singlestep over an int80
The commit
635cf99a80f4ebee59d70eb64bb85ce829e4591f introduced a
regression. Executing a ptrace single step after certain int80
accesses will infinitely loop and never advance the PC.
The TIF_SINGLESTEP check should be done on the return from the syscall
and not before it.
I loops on each single step on the pop right after the int80 which writes out
to the console. At that point you can issue as many single steps as you want
and it will not advance any further.
The test case is below:
/* Test whether singlestep through an int80 syscall works.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <sys/mman.h>
#include <asm/user.h>
#include <string.h>
static int child, status;
static struct user_regs_struct regs;
static void do_child()
{
char str[80] = "child: int80 test\n";
ptrace(PTRACE_TRACEME, 0, 0, 0);
kill(getpid(), SIGUSR1);
write(fileno(stdout),str,strlen(str));
asm ("int $0x80" : : "a" (20)); /* getpid */
}
static void do_parent()
{
unsigned long eip, expected = 0;
again:
waitpid(child, &status, 0);
if (WIFEXITED(status) || WIFSIGNALED(status))
return;
if (WIFSTOPPED(status)) {
ptrace(PTRACE_GETREGS, child, 0, ®s);
eip = regs.eip;
if (expected)
fprintf(stderr, "child stop @ %08lx, expected %08lx %s\n",
eip, expected,
eip == expected ? "" : " <== ERROR");
if (*(unsigned short *)eip == 0x80cd) {
fprintf(stderr, "int 0x80 at %08x\n", (unsigned int)eip);
expected = eip + 2;
} else
expected = 0;
ptrace(PTRACE_SINGLESTEP, child, NULL, NULL);
}
goto again;
}
int main(int argc, char * const argv[])
{
child = fork();
if (child)
do_parent();
else
do_child();
return 0;
}
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: <stable@kernel.org>
Cc: Chuck Ebbert <76306.1226@compuserve.com>
Acked-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Michael Ellerman [Fri, 6 Jul 2007 09:39:49 +0000 (02:39 -0700)]
Fix elf_core_dump() when writing arch specific notes (spu coredumps)
elf_core_dump() supports dumping arch specific ELF notes, via the #define
ELF_CORE_WRITE_EXTRA_NOTES. Currently the only user of this is the powerpc
spu coredump code.
There is a bug in the handling of foffset WRT the arch notes, which causes
us to erroneously increment foffset by the size of the arch notes, leaving
a block of zeroes in the file, and causing all subsequent data in the file
to be at <supposed position> + <arch note size>. eg:
LOAD 0x050000 0x00100000 0x00000000 0x20000 0x20000 R E 0x10000
Tells us we should have a chunk of data at 0x50000. The truth is the data
is at 0x90dbc = 0x50000 + 0x40dbc (the size of the arch notes).
This bug prevents gdb from reading the core file correctly.
The simplest fix is to simply remember the size of the arch notes, and add
it to foffset after we've written the arch notes. The only drawback is
that if the arch code doesn't write as many bytes as it said it would, we
end up with a broken core dump again. For now I think that's a reasonable
requirement.
Tested on a Cell blade, gdb no longer complains about the core file being
bogus.
While I'm here I should point out that the spu coredump code does not work
if we're dumping to a pipe - we'll have to wait for 23 to fix that.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ralf Baechle [Wed, 20 Jun 2007 23:22:34 +0000 (00:22 +0100)]
[MIPS] Fix scheduling latency issue on 24K, 34K and 74K cores
The idle loop goes to sleep using the WAIT instruction if !need_resched().
This has is suffering from from a race condition that if if just after
need_resched has returned 0 an interrupt might set TIF_NEED_RESCHED but
we've just completed the test so go to sleep anyway. This would be
trivial to fix by just disabling interrupts during that sequence as in:
local_irq_disable();
if (!need_resched())
__asm__("wait");
local_irq_enable();
but the processor architecture leaves it undefined if a processor calling
WAIT with interrupts disabled will ever restart its pipeline and indeed
some processors have made use of the freedom provided by the architecture
definition. This has been resolved and the Config7.WII bit indicates that
the use of WAIT is safe on 24K, 24KE and 34K cores. It also is safe on
74K starting revision 2.1.0 so enable the use of WAIT with interrupts
disabled for 74K based on a c0_prid of at least that.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Fri, 6 Jul 2007 13:40:05 +0000 (14:40 +0100)]
[MIPS] Add macros to encode processor revisions.
Older processors used to encode processor version and revision in two
4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
have switched to use the 8-bits as 3:3:2 bitfield with the last field as
the patch number.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 5 Jul 2007 07:14:21 +0000 (08:14 +0100)]
[MIPS] RM7000: Enable ICACHE_REFILLS_WORKAROUND_WAR.
The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
opposes it being called that) where invalid instructions in the same
I-cache line worth of instructions being fetched may case spurious
exceptions.
The workaround for this was only enabled for E9000 cores; enable it also
for all RM7000-based platforms.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 5 Jul 2007 16:39:48 +0000 (17:39 +0100)]
[MIPS] SMTC: Fix cut'n'paste bug in Kconfig.debug
This effectivly turned the SMTC_IDLE_HOOK_DEBUG debug option into a no-op.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 26 Jun 2007 18:19:00 +0000 (20:19 +0200)]
[MIPS] Change libgcc-style functions from lib-y to obj-y
Reported by Eugene Surovegin <ebs@ebshome.net>.
If only modules were users of these functions they did not get linked into
the kernel proper, so later module loads would fail as well.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Chris Dearman [Thu, 21 Jun 2007 11:59:57 +0000 (12:59 +0100)]
[MIPS] Fix timer/performance interrupt detection
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 7 Jun 2007 07:44:32 +0000 (08:44 +0100)]
[MIPS] AP/SP: Avoid triggering the 34K E125 performance issue
C0_status doesn't need to be initialized at this point anyway; the register
will be initialized later.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Andrew Sharp [Fri, 23 Mar 2007 19:15:18 +0000 (12:15 -0700)]
[MIPS] 64-bit TO_PHYS_MASK macro for RM9000 processors
Signed-off-by: Andrew Sharp <tigerand@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Jarek Poplawski [Fri, 6 Jul 2007 00:42:44 +0000 (17:42 -0700)]
[NETPOLL]: Fixups for 'fix soft lockup when removing module'
>From my recent patch:
> > #1
> > Until kernel ver. 2.6.21 (including) cancel_rearming_delayed_work()
> > required a work function should always (unconditionally) rearm with
> > delay > 0 - otherwise it would endlessly loop. This patch replaces
> > this function with cancel_delayed_work(). Later kernel versions don't
> > require this, so here it's only for uniformity.
But Oleg Nesterov <oleg@tv-sign.ru> found:
> But 2.6.22 doesn't need this change, why it was merged?
>
> In fact, I suspect this change adds a race,
...
His description was right (thanks), so this patch reverts #1.
Signed-off-by: Jarek Poplawski <jarkao2@o2.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adrian Bunk [Fri, 6 Jul 2007 00:06:21 +0000 (17:06 -0700)]
[NET]: net/core/netevent.c should #include <net/netevent.h>
Every file should include the headers containing the prototypes for
its global functions.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jing Min Zhao [Fri, 6 Jul 2007 00:05:01 +0000 (17:05 -0700)]
[NETFILTER]: nf_conntrack_h323: add checking of out-of-range on choices' index values
Choices' index values may be out of range while still encoded in the fixed
length bit-field. This bug may cause access to undefined types (NULL
pointers) and thus crashes (Reported by Zhongling Wen).
This patch also adds checking of decode flag when decoding SEQUENCEs.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johannes Berg [Fri, 6 Jul 2007 00:03:09 +0000 (17:03 -0700)]
[NET] skbuff: remove export of static symbol
skb_clone_fraglist is static so it shouldn't be exported.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vlad Yasevich [Tue, 3 Jul 2007 18:29:23 +0000 (14:29 -0400)]
SCTP: Add scope_id validation for link-local binds
SCTP currently permits users to bind to link-local addresses,
but doesn't verify that the scope id specified at bind matches
the interface that the address is configured on. It was report
that this can hang a system.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vlad Yasevich [Tue, 3 Jul 2007 16:47:40 +0000 (12:47 -0400)]
SCTP: Check to make sure file is valid before setting timeout
In-kernel sockets created with sock_create_kern don't usually
have a file and file descriptor allocated to them. As a result,
when SCTP tries to check the non-blocking flag, we Oops when
dereferencing a NULL file pointer.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vlad Yasevich [Tue, 3 Jul 2007 16:43:12 +0000 (12:43 -0400)]
SCTP: Fix thinko in sctp_copy_laddrs()
Correctly dereference bytes_copied in sctp_copy_laddrs().
I totally must have spaced when doing this.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Thu, 5 Jul 2007 23:10:16 +0000 (16:10 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] always allow dump_stack() to produce a backtrace
[ARM] Fix non-page aligned boot time mappings
[ARM] 4458/1: pxa: Fix CKEN usage and hence fix pxa suspend/resume
[ARM] 4454/1: Use word accesses in Versatile PCI config reads
Linus Torvalds [Thu, 5 Jul 2007 22:55:37 +0000 (15:55 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: document some of keycodes
Input: add a new EV_SW SW_RADIO event, for radio switches on laptops
Input: serio - take drv_mutex in serio_cleanup()
Input: atkbd - use printk_ratelimit for spurious ACK messages
Input: atkbd - throttle LED switching
Input: i8042 - add HP Pavilion ZT1000 to the MUX blacklist
Linus Torvalds [Thu, 5 Jul 2007 22:55:00 +0000 (15:55 -0700)]
Merge branch 'merge' of git://git./linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Update defconfigs
[POWERPC] Uninline and export virq_to_hw() for the pasemi_mac driver
[POWERPC] Fix PMI breakage in cbe_cbufreq driver
[POWERPC] Disable old EMAC driver in arch/powerpc
David Woodhouse [Thu, 5 Jul 2007 01:26:44 +0000 (21:26 -0400)]
Fix slab redzone alignment
Commit
b46b8f19c9cd435ecac4d9d12b39d78c137ecd66 fixed a couple of bugs
by switching the redzone to 64 bits. Unfortunately, it neglected to
ensure that the _second_ redzone, after the slab object, is aligned
correctly. This caused illegal instruction faults on sparc32, which for
some reason not entirely clear to me are not trapped and fixed up.
Two things need to be done to fix this:
- increase the object size, rounding up to alignof(long long) so
that the second redzone can be aligned correctly.
- If SLAB_STORE_USER is set but alignof(long long)==8, allow a
full 64 bits of space for the user word at the end of the buffer,
even though we may not _use_ the whole 64 bits.
This patch should be a no-op on any 64-bit architecture or any 32-bit
architecture where alignof(long long) == 4. Of the others, it's tested
on ppc32 by myself and a very similar patch was tested on sparc32 by
Mark Fortescue, who reported the new problem.
Also, fix the conditions for FORCED_DEBUG, which hadn't been adjusted to
the new sizes. Again noticed by Mark.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Russell King [Thu, 5 Jul 2007 18:59:51 +0000 (19:59 +0100)]
[ARM] always allow dump_stack() to produce a backtrace
Don't make this dependent on CONFIG_DEBUG_KERNEL - if we hit a WARN_ON
we need the stack trace to work out how we got to that point.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Linus Torvalds [Wed, 4 Jul 2007 22:24:39 +0000 (15:24 -0700)]
Remove the blink driver
Yeah, we could have just disabled it, but there's work on a new one that
isn't as fundamentally broken, so there really doesn't seem to be any
point in keeping it around.
The recent timer cleanup broke the only valid use, and when I say
"valid", I obviously mean "totally broken". So it's not like it works,
or really even can work in the current format that uses the unsafe
"panic" LED blinking routines..
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Russell King [Wed, 4 Jul 2007 20:16:33 +0000 (21:16 +0100)]
[ARM] Fix non-page aligned boot time mappings
AT91SAM9260 stopped booting with the recent changes to MM
initialisation - it was asking for a non-aligned virtual address
which caused loops to be non-terminal. Fix this by rounding
virtual addresses down, but remember to include the offset in
the length, and round the length up to the following page.
This means that asking for a mapping of 4K starting at 2K into
a page maps two pages as one would expect.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Linus Torvalds [Wed, 4 Jul 2007 16:26:44 +0000 (09:26 -0700)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] VSMP: Fix initialization ordering bug.
[MIPS] Add whitelists for checksyscalls.sh
[MIPS] die(): Properly declare as non-returning
[MIPS] Fix include wrapper symbol definitions in IP32 code.
Ralf Baechle [Tue, 3 Jul 2007 16:25:58 +0000 (18:25 +0200)]
[MIPS] VSMP: Fix initialization ordering bug.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Tue, 29 May 2007 14:30:04 +0000 (23:30 +0900)]
[MIPS] Add whitelists for checksyscalls.sh
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Maciej W. Rozycki [Tue, 29 May 2007 14:03:56 +0000 (15:03 +0100)]
[MIPS] die(): Properly declare as non-returning
This marks the declaration of die() correctly, removing "control reaches
end of non-void function" warnings from non-void functions that die() at
the end.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Kumba [Fri, 25 May 2007 06:26:47 +0000 (02:26 -0400)]
[MIPS] Fix include wrapper symbol definitions in IP32 code.
Some IP35 defines snuck into some IP32-specific code during the DMA re-write.
Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Woodhouse [Tue, 3 Jul 2007 20:51:19 +0000 (16:51 -0400)]
[JFFS2] Fix readinode failure when read_dnode() detects CRC failure.
We should have stopped returning 1 from read_dnode() to indicate
failure. We can just mark the damn thing obsolete immediately. But I
missed a case where we don't.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Linus Torvalds [Wed, 4 Jul 2007 01:27:53 +0000 (18:27 -0700)]
Remove some unused variables
When Andi reverted the HPET resource reservation (in commit
0f8dc2f06560e2ca126d1670a24126ba08357d38), he didn't remove the now
unused variables, which just causes gcc to be noisy.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Zach Brown [Tue, 3 Jul 2007 22:28:55 +0000 (15:28 -0700)]
dio: remove bogus refcounting BUG_ON
Badari Pulavarty reported a case of this BUG_ON is triggering during
testing. It's completely bogus and should be removed.
It's trying to notice if we left references to the dio hanging around in
the sync case. They should have been dropped as IO completed while this
path was in dio_await_completion(). This condition will also be
checked, via some twisty logic, by the BUG_ON(ret != -EIOCBQUEUED) a few
lines lower. So to start this BUG_ON() is redundant.
More fatally, it's dereferencing dio-> after having dropped its
reference. It's only safe to dereference the dio after releasing the
lock if the final reference was just dropped. Another CPU might free
the dio in bio completion and reuse the memory after this path drops the
dio lock but before the BUG_ON() is evaluated.
This patch passed aio+dio regression unit tests and aio-stress on ext3.
Signed-off-by: Zach Brown <zach.brown@oracle.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andi Kleen [Tue, 3 Jul 2007 23:38:13 +0000 (01:38 +0200)]
Revert perfctr reservation to 2.6.21 state
With this change it works again when the nmi watchdog is disabled.
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Björn Steinbrink <B.Steinbrink@gmx.de>
Cc: Stephane Eranian <eranian@hpl.hp.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andi Kleen [Fri, 29 Jun 2007 14:16:36 +0000 (16:16 +0200)]
Revert HPET resource reservation
Matthias Lenk reports that the PCI subsystem would move the HPET on
SB400/SB600-based systems, where the HPET is in BAR1 of the SMbus
controller.
The reason? The ACPI layer registered the PCI MMIO range as being busy
too early, before PCI enumeration had happened, causing the PCI layer to
decide that it should relocate the resources somewhere else.
Firmware resources should be marked busy _after_ the PCI enumeration and
probing has happened, not before.
Remove the too-early reservation, we'll fix it up to do it properly
later. In the meantime, this solves the regression.
Tested-by: Matthias Lenk <matthias.lenk@amd.com>
Cc: Aaron Durbin <adurbin@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 3 Jul 2007 20:58:49 +0000 (13:58 -0700)]
Merge /pub/scm/linux/kernel/git/bart/ide-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
ide: ide_scan_pcibus(): check __pci_register_driver return value
ide: pdc202xx_new PLL input clock fix
it821x: fix incorrect SWDMA mask
amd74xx: resume fix
hpt366: use correct enablebits for HPT36x
hpt366: blacklist MAXTOR STM3320620A for UltraDMA/66
ide: Fix a theoretical Ooops case
ide: never called printk statement in ide-taskfile.c::wait_drive_not_busy
Linus Torvalds [Tue, 3 Jul 2007 20:58:03 +0000 (13:58 -0700)]
Merge branch 'master' of ssh:///linux/kernel/git/mchehab/v4l-dvb
* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
V4L/DVB (5822): Fix the return value in ttpci_budget_init()
V4L/DVB (5818): CinergyT2: fix flush_workqueue() vs work->func() deadlock
V4L/DVB (5816): Cx88-blackbird: fix vidioc_g_tuner never ending list of tuners
V4L/DVB (5808): Bttv: fix v4l1 breaking the driver
Christoph Lameter [Tue, 3 Jul 2007 16:31:04 +0000 (09:31 -0700)]
SLUB: Make lockdep happy by not calling add_partial with interrupts enabled during bootstrap
If we move the local_irq_enable() to the end of the function then
add_partial() in early_kmem_cache_node_alloc() will be called
with interrupts disabled like during regular operations.
This makes lockdep happy.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Tested-by: Andre Noll <maan@systemlinux.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Thomas Gleixner [Tue, 3 Jul 2007 18:05:20 +0000 (20:05 +0200)]
NTP: remove clock_was_set() call to prevent deadlock
The clock_was_set() call in seconds_overflow() which happens only when
leap seconds are inserted / deleted is wrong in two aspects:
1. it results in a call to on_each_cpu() with interrupts disabled
2. it is potential deadlock source vs. call_lock in smp_call_function()
The only possible side effect of the removal might be, that an absolute
CLOCK_REALTIME timer fires 1 second too late, in the rare case of leap
second deletion and an absolute CLOCK_REALTIME timer which expires in
the affected time frame. It will never fire too early.
This was probably observed by the reporter of a June 30th -> July 1st
hang: http://lkml.org/lkml/2007/7/3/103
A similar problem was observed by Dave Jones, who provided a screen shot
with a lockdep back trace, which allowed to analyse the problem.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andrew Morton [Tue, 3 Jul 2007 20:28:36 +0000 (22:28 +0200)]
ide: ide_scan_pcibus(): check __pci_register_driver return value
drivers/ide/setup-pci.c: In function 'ide_scan_pcibus':
drivers/ide/setup-pci.c:879: warning: ignoring return value of '__pci_register_driver', declared with attribute warn_unused_result
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Albert Lee [Tue, 3 Jul 2007 20:28:36 +0000 (22:28 +0200)]
ide: pdc202xx_new PLL input clock fix
Recently the PLL input clock of Promise 2027x is sometimes detected
higher than expected (e.g. 20.027 MHz compared to 16.714 MHz).
It seems sometimes the mdelay() function is not as precise as it
used to be. Per Alan's advice, HT or power management might affect
the precision of mdelay().
This patch calls gettimeofday() to measure the time elapsed and
calculate the PLL input clock accordingly.
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bahadir Balban <bahadir.balban@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Bartlomiej Zolnierkiewicz [Tue, 3 Jul 2007 20:28:35 +0000 (22:28 +0200)]
it821x: fix incorrect SWDMA mask
SWDMA modes are unsupported by it821x. Attempts to tune SWDMA modes always
fail (due to sanity check in ->speedproc) and result in PIO being tuned.
* Fix incorrect SWDMA mask so core code won't try these modes and will just
tune PIO if no other DMA modes are available.
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Bartlomiej Zolnierkiewicz [Tue, 3 Jul 2007 20:28:35 +0000 (22:28 +0200)]
amd74xx: resume fix
* Driver can't skip programming transfer mode on the device in amd_set_drive()
(similar fix has been applied to via82cxxx driver ages ago).
* While at it remove redundant warning (ide_config_drive_speed() already
produces more valuable one).
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Sergei Shtylyov [Tue, 3 Jul 2007 20:28:35 +0000 (22:28 +0200)]
hpt366: use correct enablebits for HPT36x
The HPT36x chips finally turned out to have the channel enable bits -- however,
badly implemented. Make use of them despite it's probably only going to burden
the driver's code -- assuming both channels are always enabled by the HighPoint
BIOS anyway...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Linas Vepstas <linas@austin.ibm.com>
Cc: michal.kepien@poczta.onet.pl
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Sergei Shtylyov [Tue, 3 Jul 2007 20:28:35 +0000 (22:28 +0200)]
hpt366: blacklist MAXTOR STM3320620A for UltraDMA/66
Add the MAXTOR STM3320620A drive into the UltraDMA/66 mode blacklist
for the HPT36x chips.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Alan Cox [Tue, 3 Jul 2007 20:28:35 +0000 (22:28 +0200)]
ide: Fix a theoretical Ooops case
Found by a static analyser. It is in theory possible we dereference
dev->id when it has become invalid. Re-order to avoid this.
Not needed for new-ide as we no longer support the crazy exabyte nest stuff
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Masatake YAMATO [Tue, 3 Jul 2007 20:28:34 +0000 (22:28 +0200)]
ide: never called printk statement in ide-taskfile.c::wait_drive_not_busy
Look at wait_drive_not_busy in drivers/ide/ide-taskfile.c:
static u8 wait_drive_not_busy(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
int retries = 100;
u8 stat;
/*
* Last sector was transfered, wait until drive is ready.
* This can take up to 10 usec, but we will wait max 1 ms
* (drive_cmd_intr() waits that long).
*/
while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--)
udelay(10);
if (!retries)
printk(KERN_ERR "%s: drive still BUSY!\n", drive->name);
return stat;
}
`printk' is never called because `retries' never holds zero at the
outside of `while' loop: when `retries' holds zero at the while's loop
condition, `retries' will hold -1 at the if condition.
Signed-off-by: Masatake YAMATO <jet@gyve.org>
Cc: Chuck Ebbert <cebbert@redhat.com>
Cc: joe@perches.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Hartmut Birr [Mon, 2 Jul 2007 16:39:41 +0000 (13:39 -0300)]
V4L/DVB (5822): Fix the return value in ttpci_budget_init()
if the call to budget_register() fails in ttpci_budget_int(),
ttpci_budget_init() returns success. The attached patch will
fix this problem.
Signed-off-by: Hartmut Birr <e9hack@googlemail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Oleg Nesterov [Mon, 2 Jul 2007 15:26:20 +0000 (12:26 -0300)]
V4L/DVB (5818): CinergyT2: fix flush_workqueue() vs work->func() deadlock
Spotted and tested by Thomas Sattler <tsattler@gmx.de>.
cinergyT2.c does cancel_delayed_work() + flush_scheduled_work() while
holding cinergyt2->sem. This leads to deadlock because work->func()
needs the same mutex to complete. Another bug is that this code in fact
can't reliably stop the re-arming delayed_work.
Convert this code to use cancel_rearming_delayed_work() and move it
out of ->sem. Another mutex, ->wq_sem, was added to protect against the
concurrent open/resume.
This patch is a horrible hack to fix the lockup which happens in practice.
As Dmitry Torokhov pointed out this driver has other problems and needs
further changes.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Jelle Foks [Mon, 21 May 2007 17:56:17 +0000 (14:56 -0300)]
V4L/DVB (5816): Cx88-blackbird: fix vidioc_g_tuner never ending list of tuners
v4l-info and other programs would loop indefinitely while querying the
tuners for cx88-blackbird cards.
The cause was that vidioc_g_tuner didn't return an error value for
qctrl->id != 0, making the application think there is a never ending
list of tuners...
This patch adds the same index check as done in vidioc_g_tuner() in
cx88-video.
Signed-off-by: Jelle Foks <jelle@foks.8m.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Trent Piepho [Tue, 3 Jul 2007 18:08:10 +0000 (15:08 -0300)]
V4L/DVB (5808): Bttv: fix v4l1 breaking the driver
If one uses a V4L *one* application, such as vlc or mplayer's v4l driver, as
the first user after the driver is loaded, the driver wedges itself and will
never capture properly. Even if one uses a V4L2 application later, it still
won't work.
If one uses a V4L *two* application first, such as tvtime or mplayer's v4l2
driver, then the driver will be ok. One can then run a V4L1 application, and
it will work.
It turns out the problem is with norm changing and the crop support that was
added in 2.6.21. The driver defaults to PAL, and keeps the last norm it was
set too across opens. If one changes the norm via V4L1, the cropping
parameters are not reset like they should be, and they'll remain broken across
device opens.
This patch removes the direct setting of btv->tvnorm in the V4L1 ioctl
VIDIOCSCHAN handler. The norm is set via the existing call to set_input(),
which calls set_tvnorm(), which will reset the cropping values now that it is
able to detect the norm change.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Alan Cox [Tue, 3 Jul 2007 14:14:05 +0000 (15:14 +0100)]
pata_pcmcia: Switch to ata_sff_port_start
PCMCIA doesn't use DMA and as this driver is used on many platforms we
don't want it to fail on those that define the DMA alloc API as a NULL
return
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Alan Cox [Tue, 3 Jul 2007 14:15:13 +0000 (15:15 +0100)]
pata_pdc202xx_old: Correct cable detect logic
We got it backwards and now the other detects are fixed it shows up
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Alan Cox [Tue, 3 Jul 2007 14:11:30 +0000 (15:11 +0100)]
ata_generic: Check the right register for the DMA enabled flags
Mirrors change in IT821X
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Chuck Ebbert [Mon, 25 Jun 2007 23:13:32 +0000 (19:13 -0400)]
pata_ali: fix UDMA settings
This patch was found to fix some of the problems with the
pata_ali driver.
https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=156482
Signed-off-by: Jeff Garzik <jeff@garzik.org>