genirq: Remove __do_IRQ
authorThomas Gleixner <tglx@linutronix.de>
Wed, 19 Jan 2011 18:41:35 +0000 (19:41 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 21 Jan 2011 10:55:31 +0000 (11:55 +0100)
All architectures are finally converted. Remove the cruft.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Michal Simek <monstr@monstr.eu>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Jeff Dike <jdike@addtoit.com>
18 files changed:
Documentation/feature-removal-schedule.txt
arch/alpha/Kconfig
arch/blackfin/Kconfig
arch/frv/Kconfig
arch/ia64/Kconfig
arch/m68knommu/Kconfig
arch/microblaze/Kconfig
arch/mips/Kconfig
arch/mn10300/Kconfig
arch/parisc/Kconfig
arch/powerpc/Kconfig
arch/score/Kconfig
arch/sparc/Kconfig
arch/tile/Kconfig
arch/um/Kconfig.um
include/linux/irqdesc.h
kernel/irq/Kconfig
kernel/irq/handle.c

index 8c594c45b6a178c5efa49b671473abfde5e98204..b959659c5df46414413530bd213f1e50aa528ee3 100644 (file)
@@ -357,14 +357,6 @@ Who:       Dave Jones <davej@redhat.com>, Matthew Garrett <mjg@redhat.com>
 
 -----------------------------
 
-What:  __do_IRQ all in one fits nothing interrupt handler
-When:  2.6.32
-Why:   __do_IRQ was kept for easy migration to the type flow handlers.
-       More than two years of migration time is enough.
-Who:   Thomas Gleixner <tglx@linutronix.de>
-
------------------------------
-
 What:  fakephp and associated sysfs files in /sys/bus/pci/slots/
 When:  2011
 Why:   In 2.6.27, the semantics of /sys/bus/pci/slots was redefined to
index fc95ee1bcf6fc239f5dbaad783ec33fbb23e4b6a..943fe6930f77e59b96be6cf174382db8a21a1b94 100644 (file)
@@ -68,9 +68,6 @@ config GENERIC_IOMAP
        bool
        default n
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_HARDIRQS
        bool
        default y
index 0a221d48152dd6f116cb8938770d5fd0e5639968..a37b2be23f18b36eb74dbc71d21fb7c65a833864 100644 (file)
@@ -50,9 +50,6 @@ config GENERIC_HARDIRQS
 config GENERIC_IRQ_PROBE
        def_bool y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_GPIO
        def_bool y
 
index f6bcb039cd6d623526f8736c2cd69ad2fce93c3e..e504edeb3d844360f3c10fb23df05ab1429cc815 100644 (file)
@@ -33,10 +33,6 @@ config GENERIC_HARDIRQS
        bool
        default y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       bool
-       default y
-
 config TIME_LOW_RES
        bool
        default y
index e0f5b6d7f849b0d8b290e62185408c41735be849..be1faf991813f7c5087dd379c98391d983ff4732 100644 (file)
@@ -684,9 +684,6 @@ source "lib/Kconfig"
 config GENERIC_HARDIRQS
        def_bool y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_IRQ_PROBE
        bool
        default y
index 704e7b92334c12aab0b279fe0e73d74abb7228b2..7379cb0ce1afeaf6a3d063f70c3746fa8e7a4e1e 100644 (file)
@@ -52,10 +52,6 @@ config GENERIC_HARDIRQS
        bool
        default y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       bool
-       default y
-
 config GENERIC_CALIBRATE_DELAY
        bool
        default y
index 5f5018a71a3db9c7bf6b57bcfbdcbb3bf1883d7a..5a6378493797a5132740adcd5a5d7879020b647d 100644 (file)
@@ -52,9 +52,6 @@ config GENERIC_TIME_VSYSCALL
 config GENERIC_CLOCKEVENTS
        def_bool y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_GPIO
        def_bool y
 
index 548e6cc3bc28d59cf8eb594556f5000dfcf49ffe..f5ecc0566bc292f72b0020ac043bbfa7fd5a3300 100644 (file)
@@ -793,9 +793,6 @@ config SCHED_OMIT_FRAME_POINTER
        bool
        default y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 #
 # Select some configuration options automatically based on user selections.
 #
index 8ed41cf2b08d217a4c40ee3cf174d8cb6c7898bd..4638269152f6ab5c50fe3172a813b29f7619c575 100644 (file)
@@ -34,9 +34,6 @@ config RWSEM_GENERIC_SPINLOCK
 config RWSEM_XCHGADD_ALGORITHM
        bool
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_CALIBRATE_DELAY
        def_bool y
 
index 0888675c98dd6f344ba4740bfb5622790698c3d1..4b94ac4dc603da20d18adb87c59e4d206d037e3b 100644 (file)
@@ -12,7 +12,6 @@ config PARISC
        select HAVE_IRQ_WORK
        select HAVE_PERF_EVENTS
        select GENERIC_ATOMIC64 if !64BIT
-       select GENERIC_HARDIRQS_NO__DO_IRQ
        help
          The PA-RISC microprocessor is designed by Hewlett-Packard and used
          in many of their workstations & servers (HP9000 700 and 800 series,
@@ -79,9 +78,6 @@ config IRQ_PER_CPU
        bool
        default y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 # unless you want to implement ACPI on PA-RISC ... ;-)
 config PM
        bool
index 959f38ccb9a77fecae6656b41ed1e218df9bb0a5..e0b185dd718a5af3a24e19a1f7e6c441a561be97 100644 (file)
@@ -40,10 +40,6 @@ config GENERIC_HARDIRQS
        bool
        default y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       bool
-       default y
-
 config HAVE_SETUP_PER_CPU_AREA
        def_bool PPC64
 
index 4293fdcb53981a531d1324b528690d1d277c2a1d..4f159acfbe3332a27dca2dcceb7965e9a4005200 100644 (file)
@@ -53,9 +53,6 @@ config GENERIC_CLOCKEVENTS
 config SCHED_NO_NO_OMIT_FRAME_POINTER
        def_bool y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_SYSCALL_TABLE
        def_bool y
 
index 45d9c87d083ad89343b7c7862c5b62a911f86c2f..989bb6415ea3db11d655ac46e8d9528aa4f22080 100644 (file)
@@ -107,10 +107,6 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK
 config NEED_PER_CPU_PAGE_FIRST_CHUNK
        def_bool y if SPARC64
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       bool
-       def_bool y if SPARC64
-
 config MMU
        bool
        default y
index 4e8b82bca9e5e67f7d49f703b3403e8c5024eb0c..c16b98c2435d82b2e4d52a7474c039a54bd00165 100644 (file)
@@ -10,9 +10,6 @@ config GENERIC_CSUM
 config GENERIC_HARDIRQS
        def_bool y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config GENERIC_IRQ_PROBE
        def_bool y
 
index f8d1d0d47fe6b1a05c67f48e85051f4c50f6c13c..90a438acbfafcf00aa8281f03ca44228250189e4 100644 (file)
@@ -120,9 +120,6 @@ config SMP
 
          If you don't know what to do, say N.
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 config NR_CPUS
        int "Maximum number of CPUs (2-32)"
        range 2 32
index 6a64c6fa81affacd4761f47156f6fb1666ddf112..c1a95b7b58de736f228cfeef9bfe1f118e02bf29 100644 (file)
@@ -100,13 +100,6 @@ static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node)
 #define get_irq_desc_data(desc)                ((desc)->irq_data.handler_data)
 #define get_irq_desc_msi(desc)         ((desc)->irq_data.msi_desc)
 
-/*
- * Monolithic do_IRQ implementation.
- */
-#ifndef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
-extern unsigned int __do_IRQ(unsigned int irq);
-#endif
-
 /*
  * Architectures call this to let the generic IRQ layer
  * handle an interrupt. If the descriptor is attached to an
@@ -115,14 +108,7 @@ extern unsigned int __do_IRQ(unsigned int irq);
  */
 static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc)
 {
-#ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
        desc->handle_irq(irq, desc);
-#else
-       if (likely(desc->handle_irq))
-               desc->handle_irq(irq, desc);
-       else
-               __do_IRQ(irq);
-#endif
 }
 
 static inline void generic_handle_irq(unsigned int irq)
index 31d766bf5d2ea02da6c5dc551a415799ae8166df..8e42fec7686d97815c3539d3da260984db63e90f 100644 (file)
@@ -9,9 +9,6 @@ menu "IRQ subsystem"
 config GENERIC_HARDIRQS
        def_bool y
 
-config GENERIC_HARDIRQS_NO__DO_IRQ
-       def_bool y
-
 # Select this to disable the deprecated stuff
 config GENERIC_HARDIRQS_NO_DEPRECATED
        def_bool n
index e2347eb6330682501e99bb3214ccfa9015a8a521..3540a7190122361a3cdaec62c08d7652693bde44 100644 (file)
@@ -118,114 +118,3 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
 
        return retval;
 }
-
-#ifndef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
-
-#ifdef CONFIG_ENABLE_WARN_DEPRECATED
-# warning __do_IRQ is deprecated. Please convert to proper flow handlers
-#endif
-
-/**
- * __do_IRQ - original all in one highlevel IRQ handler
- * @irq:       the interrupt number
- *
- * __do_IRQ handles all normal device IRQ's (the special
- * SMP cross-CPU interrupts have their own specific
- * handlers).
- *
- * This is the original x86 implementation which is used for every
- * interrupt type.
- */
-unsigned int __do_IRQ(unsigned int irq)
-{
-       struct irq_desc *desc = irq_to_desc(irq);
-       struct irqaction *action;
-       unsigned int status;
-
-       kstat_incr_irqs_this_cpu(irq, desc);
-
-       if (CHECK_IRQ_PER_CPU(desc->status)) {
-               irqreturn_t action_ret;
-
-               /*
-                * No locking required for CPU-local interrupts:
-                */
-               if (desc->irq_data.chip->ack)
-                       desc->irq_data.chip->ack(irq);
-               if (likely(!(desc->status & IRQ_DISABLED))) {
-                       action_ret = handle_IRQ_event(irq, desc->action);
-                       if (!noirqdebug)
-                               note_interrupt(irq, desc, action_ret);
-               }
-               desc->irq_data.chip->end(irq);
-               return 1;
-       }
-
-       raw_spin_lock(&desc->lock);
-       if (desc->irq_data.chip->ack)
-               desc->irq_data.chip->ack(irq);
-       /*
-        * REPLAY is when Linux resends an IRQ that was dropped earlier
-        * WAITING is used by probe to mark irqs that are being tested
-        */
-       status = desc->status & ~(IRQ_REPLAY | IRQ_WAITING);
-       status |= IRQ_PENDING; /* we _want_ to handle it */
-
-       /*
-        * If the IRQ is disabled for whatever reason, we cannot
-        * use the action we have.
-        */
-       action = NULL;
-       if (likely(!(status & (IRQ_DISABLED | IRQ_INPROGRESS)))) {
-               action = desc->action;
-               status &= ~IRQ_PENDING; /* we commit to handling */
-               status |= IRQ_INPROGRESS; /* we are handling it */
-       }
-       desc->status = status;
-
-       /*
-        * If there is no IRQ handler or it was disabled, exit early.
-        * Since we set PENDING, if another processor is handling
-        * a different instance of this same irq, the other processor
-        * will take care of it.
-        */
-       if (unlikely(!action))
-               goto out;
-
-       /*
-        * Edge triggered interrupts need to remember
-        * pending events.
-        * This applies to any hw interrupts that allow a second
-        * instance of the same irq to arrive while we are in do_IRQ
-        * or in the handler. But the code here only handles the _second_
-        * instance of the irq, not the third or fourth. So it is mostly
-        * useful for irq hardware that does not mask cleanly in an
-        * SMP environment.
-        */
-       for (;;) {
-               irqreturn_t action_ret;
-
-               raw_spin_unlock(&desc->lock);
-
-               action_ret = handle_IRQ_event(irq, action);
-               if (!noirqdebug)
-                       note_interrupt(irq, desc, action_ret);
-
-               raw_spin_lock(&desc->lock);
-               if (likely(!(desc->status & IRQ_PENDING)))
-                       break;
-               desc->status &= ~IRQ_PENDING;
-       }
-       desc->status &= ~IRQ_INPROGRESS;
-
-out:
-       /*
-        * The ->end() handler has to deal with interrupts which got
-        * disabled while the handler was running.
-        */
-       desc->irq_data.chip->end(irq);
-       raw_spin_unlock(&desc->lock);
-
-       return 1;
-}
-#endif