The patch titled
genirq: cleanup: reduce irq_desc_t use, mark it obsolete
has been added to the -mm tree. Its filename is
genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: genirq: cleanup: reduce irq_desc_t use, mark it obsolete
From: Ingo Molnar <mingo@xxxxxxx>
Cleanup: remove irq_desc_t use from the generic IRQ code, and mark it
obsolete.
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/linux/irq.h | 18 +++++++++++++-----
kernel/irq/autoprobe.c | 6 +++---
kernel/irq/handle.c | 4 ++--
kernel/irq/manage.c | 6 +++---
kernel/irq/migration.c | 4 ++--
kernel/irq/spurious.c | 9 +++++----
6 files changed, 28 insertions(+), 19 deletions(-)
diff -puN include/linux/irq.h~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete include/linux/irq.h
--- devel/include/linux/irq.h~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete 2006-05-22 15:12:39.000000000 -0700
+++ devel-akpm/include/linux/irq.h 2006-05-22 15:12:39.000000000 -0700
@@ -68,7 +68,7 @@ typedef struct hw_interrupt_type hw_irq
*
* Pad this out to 32 bytes for cache and indexing reasons.
*/
-typedef struct irq_desc {
+struct irq_desc {
hw_irq_controller *chip;
void *chip_data;
struct irqaction *action; /* IRQ action list */
@@ -83,11 +83,19 @@ typedef struct irq_desc {
#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
unsigned int move_irq; /* Flag need to re-target intr dest*/
#endif
-} ____cacheline_aligned irq_desc_t;
+} ____cacheline_aligned;
-extern irq_desc_t irq_desc [NR_IRQS];
+extern struct irq_desc irq_desc[NR_IRQS];
-#include <asm/hw_irq.h> /* the arch dependent stuff */
+/*
+ * Migration helpers for obsolete names, they will go away:
+ */
+typedef struct irq_desc irq_desc_t;
+
+/*
+ * Pick up the arch-dependent methods:
+ */
+#include <asm/hw_irq.h>
extern int setup_irq(unsigned int irq, struct irqaction *new);
@@ -188,7 +196,7 @@ extern irqreturn_t handle_IRQ_event(unsi
*/
extern fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs);
-extern void note_interrupt(unsigned int irq, irq_desc_t *desc,
+extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
int action_ret, struct pt_regs *regs);
extern int can_request_irq(unsigned int irq, unsigned long irqflags);
diff -puN kernel/irq/autoprobe.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete kernel/irq/autoprobe.c
--- devel/kernel/irq/autoprobe.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete 2006-05-22 15:12:39.000000000 -0700
+++ devel-akpm/kernel/irq/autoprobe.c 2006-05-22 15:12:39.000000000 -0700
@@ -27,8 +27,8 @@ static DEFINE_MUTEX(probing_active);
*/
unsigned long probe_irq_on(void)
{
+ struct irq_desc *desc;
unsigned long mask;
- irq_desc_t *desc;
unsigned int i;
mutex_lock(&probing_active);
@@ -116,7 +116,7 @@ unsigned int probe_irq_mask(unsigned lon
mask = 0;
for (i = 0; i < NR_IRQS; i++) {
- irq_desc_t *desc = irq_desc + i;
+ struct irq_desc *desc = irq_desc + i;
unsigned int status;
spin_lock_irq(&desc->lock);
@@ -159,7 +159,7 @@ int probe_irq_off(unsigned long val)
int i, irq_found = 0, nr_irqs = 0;
for (i = 0; i < NR_IRQS; i++) {
- irq_desc_t *desc = irq_desc + i;
+ struct irq_desc *desc = irq_desc + i;
unsigned int status;
spin_lock_irq(&desc->lock);
diff -puN kernel/irq/handle.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete kernel/irq/handle.c
--- devel/kernel/irq/handle.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete 2006-05-22 15:12:39.000000000 -0700
+++ devel-akpm/kernel/irq/handle.c 2006-05-22 15:12:39.000000000 -0700
@@ -28,7 +28,7 @@
*
* Controller mappings for all interrupt sources:
*/
-irq_desc_t irq_desc[NR_IRQS] __cacheline_aligned = {
+struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned = {
[0 ... NR_IRQS-1] = {
.status = IRQ_DISABLED,
.chip = &no_irq_type,
@@ -110,7 +110,7 @@ irqreturn_t handle_IRQ_event(unsigned in
*/
fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)
{
- irq_desc_t *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_desc + irq;
struct irqaction *action;
unsigned int status;
diff -puN kernel/irq/manage.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete kernel/irq/manage.c
--- devel/kernel/irq/manage.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete 2006-05-22 15:12:39.000000000 -0700
+++ devel-akpm/kernel/irq/manage.c 2006-05-22 15:12:39.000000000 -0700
@@ -57,7 +57,7 @@ EXPORT_SYMBOL(synchronize_irq);
*/
void disable_irq_nosync(unsigned int irq)
{
- irq_desc_t *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_desc + irq;
unsigned long flags;
if (irq >= NR_IRQS)
@@ -86,7 +86,7 @@ EXPORT_SYMBOL(disable_irq_nosync);
*/
void disable_irq(unsigned int irq)
{
- irq_desc_t *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_desc + irq;
if (irq >= NR_IRQS)
return;
@@ -109,7 +109,7 @@ EXPORT_SYMBOL(disable_irq);
*/
void enable_irq(unsigned int irq)
{
- irq_desc_t *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_desc + irq;
unsigned long flags;
if (irq >= NR_IRQS)
diff -puN kernel/irq/migration.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete kernel/irq/migration.c
--- devel/kernel/irq/migration.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete 2006-05-22 15:12:39.000000000 -0700
+++ devel-akpm/kernel/irq/migration.c 2006-05-22 15:12:39.000000000 -0700
@@ -3,7 +3,7 @@
void set_pending_irq(unsigned int irq, cpumask_t mask)
{
- irq_desc_t *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_desc + irq;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
@@ -14,8 +14,8 @@ void set_pending_irq(unsigned int irq, c
void move_native_irq(int irq)
{
+ struct irq_desc *desc = irq_desc + irq;
cpumask_t tmp;
- irq_desc_t *desc = irq_desc + irq;
if (likely(!desc->move_irq))
return;
diff -puN kernel/irq/spurious.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete kernel/irq/spurious.c
--- devel/kernel/irq/spurious.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete 2006-05-22 15:12:39.000000000 -0700
+++ devel-akpm/kernel/irq/spurious.c 2006-05-22 15:12:39.000000000 -0700
@@ -97,7 +97,8 @@ static int misrouted_irq(int irq, struct
*/
static void
-__report_bad_irq(unsigned int irq, irq_desc_t *desc, irqreturn_t action_ret)
+__report_bad_irq(unsigned int irq, struct irq_desc *desc,
+ irqreturn_t action_ret)
{
struct irqaction *action;
@@ -122,7 +123,7 @@ __report_bad_irq(unsigned int irq, irq_d
}
static void
-report_bad_irq(unsigned int irq, irq_desc_t *desc, irqreturn_t action_ret)
+report_bad_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret)
{
static int count = 100;
@@ -132,8 +133,8 @@ report_bad_irq(unsigned int irq, irq_des
}
}
-void note_interrupt(unsigned int irq, irq_desc_t *desc, irqreturn_t action_ret,
- struct pt_regs *regs)
+void note_interrupt(unsigned int irq, struct irq_desc *desc,
+ irqreturn_t action_ret, struct pt_regs *regs)
{
if (unlikely(action_ret != IRQ_HANDLED)) {
desc->irqs_unhandled++;
_
Patches currently in -mm which might be from mingo@xxxxxxx are
git-acpi.patch
fix-drivers-mfd-ucb1x00-corec-irq-probing-bug.patch
git-dvb.patch
git-netdev-all.patch
fix-for-serial-uart-lockup.patch
qla2xxx-lock-ordering-fix.patch
qla2xxx-lock-ordering-fix-warning-fix.patch
swapless-pm-add-r-w-migration-entries-fix.patch
i386-break-out-of-recursion-in-stackframe-walk.patch
work-around-ppc64-bootup-bug-by-making-mutex-debugging-save-restore-irqs.patch
kernel-kernel-cpuc-to-mutexes.patch
cond-resched-might-sleep-fix.patch
define-__raw_get_cpu_var-and-use-it.patch
ide-cd-end-of-media-error-fix.patch
time-clocksource-infrastructure.patch
sched-comment-bitmap-size-accounting.patch
sched-fix-interactive-ceiling-code.patch
sched-implement-smpnice.patch
sched-protect-calculation-of-max_pull-from-integer-wrap.patch
sched-store-weighted-load-on-up.patch
sched-add-discrete-weighted-cpu-load-function.patch
sched-prevent-high-load-weight-tasks-suppressing-balancing.patch
sched-improve-stability-of-smpnice-load-balancing.patch
sched-improve-smpnice-load-balancing-when-load-per-task.patch
smpnice-dont-consider-sched-groups-which-are-lightly-loaded-for-balancing.patch
smpnice-dont-consider-sched-groups-which-are-lightly-loaded-for-balancing-fix.patch
sched-modify-move_tasks-to-improve-load-balancing-outcomes.patch
sched-avoid-unnecessarily-moving-highest-priority-task-move_tasks.patch
sched-avoid-unnecessarily-moving-highest-priority-task-move_tasks-fix-2.patch
sched_domain-handle-kmalloc-failure.patch
sched_domain-handle-kmalloc-failure-fix.patch
sched_domain-dont-use-gfp_atomic.patch
sched_domain-use-kmalloc_node.patch
sched_domain-allocate-sched_group-structures-dynamically.patch
sched-add-above-background-load-function.patch
mm-implement-swap-prefetching-fix.patch
pi-futex-futex-code-cleanups.patch
pi-futex-futex-code-cleanups-fix.patch
pi-futex-introduce-debug_check_no_locks_freed.patch
pi-futex-add-plist-implementation.patch
pi-futex-scheduler-support-for-pi.patch
pi-futex-rt-mutex-core.patch
pi-futex-rt-mutex-core-fix-timeout-race.patch
pi-futex-rt-mutex-docs.patch
pi-futex-rt-mutex-debug.patch
pi-futex-rt-mutex-tester.patch
pi-futex-rt-mutex-futex-api.patch
pi-futex-futex_lock_pi-futex_unlock_pi-support.patch
pi-futex-v2.patch
pi-futex-v3.patch
pi-futex-patchset-v4.patch
pi-futex-patchset-v4-update.patch
pi-futex-patchset-v4-fix.patch
rtmutex-remove-buggy-bug_on-in-pi-boosting-code.patch
futex-pi-enforce-waiter-bit-when-owner-died-is-detected.patch
rtmutex-debug-printk-correct-task-information.patch
futex-pi-make-use-of-restart_block-when-interrupted.patch
document-futex-pi-design.patch
futex_requeue-optimization.patch
reiser4.patch
genirq-rename-desc-handler-to-desc-chip.patch
genirq-rename-desc-handler-to-desc-chip-power-fix.patch
genirq-rename-desc-handler-to-desc-chip-ia64-fix.patch
genirq-sem2mutex-probe_sem-probing_active.patch
genirq-cleanup-merge-irq_affinity-into-irq_desc.patch
genirq-cleanup-remove-irq_descp.patch
genirq-cleanup-remove-fastcall.patch
genirq-cleanup-misc-code-cleanups.patch
genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete.patch
genirq-cleanup-include-linux-irqh.patch
genirq-cleanup-merge-irq_dir-smp_affinity_entry-into-irq_desc.patch
genirq-cleanup-merge-pending_irq_cpumask-into-irq_desc.patch
genirq-cleanup-turn-arch_has_irq_per_cpu-into-config_irq_per_cpu.patch
genirq-debug-better-debug-printout-in-enable_irq.patch
genirq-add-retrigger-irq-op-to-consolidate-hw_irq_resend.patch
genirq-doc-comment-include-linux-irqh-structures.patch
genirq-doc-handle_irq_event-and-__do_irq-comments.patch
genirq-cleanup-no_irq_type-cleanups.patch
genirq-doc-add-design-documentation.patch
genirq-add-genirq-sw-irq-retrigger.patch
genirq-add-irq_noprobe-support.patch
genirq-add-irq_norequest-support.patch
genirq-add-irq_noautoen-support.patch
genirq-update-copyrights.patch
genirq-core.patch
genirq-add-irq-chip-support.patch
genirq-add-handle_bad_irq.patch
genirq-add-irq-wake-power-management-support.patch
genirq-add-sa_trigger-support.patch
genirq-cleanup-no_irq_type-no_irq_chip-rename.patch
genirq-convert-the-x86_64-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips.patch
genirq-more-verbose-debugging-on-unexpected-irq-vectors.patch
detect-atomic-counter-underflows.patch
debug-shared-irqs.patch
make-frame_pointer-default=y.patch
mutex-subsystem-synchro-test-module.patch
add-print_fatal_signals-support.patch
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