The patch titled
genirq: cleanup: reduce irq_desc_t use, mark it obsolete
has been removed from the -mm tree. Its filename is
genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
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
--- a/include/linux/irq.h~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete
+++ a/include/linux/irq.h
@@ -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
--- a/kernel/irq/autoprobe.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete
+++ a/kernel/irq/autoprobe.c
@@ -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
--- a/kernel/irq/handle.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete
+++ a/kernel/irq/handle.c
@@ -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
--- a/kernel/irq/manage.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete
+++ a/kernel/irq/manage.c
@@ -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
--- a/kernel/irq/migration.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete
+++ a/kernel/irq/migration.c
@@ -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
--- a/kernel/irq/spurious.c~genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete
+++ a/kernel/irq/spurious.c
@@ -99,7 +99,8 @@ 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;
@@ -124,7 +125,7 @@ __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;
@@ -134,8 +135,8 @@ 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
origin.patch
genirq-add-irq-chip-support-fasteoi-handler-handle-interrupt-disabling.patch
disable-debugging-version-of-write_lock.patch
cpu_relax-use-in-acpi-lock-fix.patch
acpi_srat-needs-acpi.patch
genirq-rename-desc-handler-to-desc-chip-ia64-fix-2.patch
lock-validator-fix-ns83820c-irq-flags-bug.patch
revert-gregkh-pci-pci-test-that-drivers-properly-call-pci_set_master.patch
cond_resched-fix.patch
sched-clean-up-fallout-of-recent-changes.patch
sched-clean-up-fallout-of-recent-changes-fix.patch
sched-cleanup-remove-task_t-convert-to-struct-task_struct.patch
sched-cleanup-convert-schedc-internal-typedefs-to-struct.patch
sched-fix-bug-in-__migrate_task.patch
sched-add-above-background-load-function.patch
mm-implement-swap-prefetching.patch
sched-cleanup-remove-task_t-convert-to-struct-task_struct-prefetch.patch
lockdep-floppyc-irq-release-fix.patch
lockdep-console_init-after-local_irq_enable.patch
lockdep-add-is_module_address.patch
lockdep-add-print_ip_sym.patch
lockdep-add-per_cpu_offset.patch
lockdep-add-disable-enable_irq_lockdep-api.patch
lockdep-add-local_irq_enable_in_hardirq-api.patch
lockdep-add-declare_completion_onstack-api.patch
lockdep-clean-up-rwsems.patch
lockdep-remove-rwsem_debug-remnants.patch
lockdep-rename-debug_warn_on.patch
lockdep-remove-debug_bug_on.patch
lockdep-remove-mutex-deadlock-checking-code.patch
lockdep-better-lock-debugging.patch
lockdep-mutex-section-binutils-workaround.patch
lockdep-locking-init-debugging-improvement.patch
lockdep-beautify-x86_64-stacktraces.patch
lockdep-x86_64-document-stack-frame-internals.patch
lockdep-i386-remove-multi-entry-backtraces.patch
lockdep-stacktrace-subsystem-core.patch
lockdep-s390-config_frame_pointer-support.patch
lockdep-stacktrace-subsystem-i386-support.patch
lockdep-stacktrace-subsystem-x86_64-support.patch
lockdep-stacktrace-subsystem-s390-support.patch
lockdep-irqtrace-subsystem-core.patch
lockdep-irqtrace-subsystem-docs.patch
lockdep-irqtrace-subsystem-i386-support.patch
lockdep-irqtrace-cleanup-of-include-asm-i386-irqflagsh.patch
lockdep-irqtrace-subsystem-x86_64-support.patch
lockdep-irqtrace-cleanup-of-include-asm-x86_64-irqflagsh.patch
lockdep-irqtrace-subsystem-s390-support.patch
lockdep-locking-api-self-tests.patch
lockdep-core.patch
lockdep-design-docs.patch
lockdep-procfs.patch
lockdep-prove-rwsem-locking-correctness.patch
lockdep-prove-spinlock-rwlock-locking-correctness.patch
lockdep-prove-mutex-locking-correctness.patch
lockdep-kconfig.patch
lockdep-print-all-lock-classes-on-sysrq-d.patch
lockdep-x86_64-early-init.patch
lockdep-x86-smp-alternatives-workaround.patch
lockdep-do-not-recurse-in-printk.patch
lockdep-fix-rt_hash_lock_sz.patch
lockdep-s390-turn-validator-off-in-machine-check-handler.patch
lockdep-enable-on-i386.patch
lockdep-enable-on-x86_64.patch
lockdep-enable-on-s390.patch
lockdep-annotate-direct-io.patch
lockdep-annotate-serial.patch
lockdep-annotate-dcache.patch
lockdep-annotate-i_mutex.patch
lockdep-annotate-futex.patch
lockdep-annotate-genirq.patch
lockdep-annotate-waitqueues.patch
lockdep-annotate-mm.patch
lockdep-annotate-serio.patch
lockdep-annotate-skb_queue_head_init.patch
lockdep-annotate-timer-base-locks.patch
lockdep-annotate-scheduler-runqueue-locks.patch
lockdep-annotate-hrtimer-base-locks.patch
lockdep-annotate-sock_lock_init.patch
lockdep-annotate-af_unix-locking.patch
lockdep-annotate-bh_lock_sock.patch
lockdep-annotate-ieee1394-skb-queue-head-locking.patch
lockdep-annotate-mmap_sem.patch
lockdep-annotate-sunrpc-code.patch
lockdep-annotate-ntfs-locking-rules.patch
lockdep-annotate-the-quota-code.patch
lockdep-annotate-usbfs.patch
lockdep-annotate-sound-core-seq-seq_portsc.patch
lockdep-annotate-sound-core-seq-seq_devicec.patch
lockdep-annotate-8390c-disable_irq.patch
lockdep-annotate-3c59xc-disable_irq.patch
lockdep-annotate-forcedethc-disable_irq.patch
lockdep-annotate-enable_in_hardirq.patch
lockdep-annotate-on-stack-completions.patch
lockdep-annotate-qeth-driver.patch
lockdep-annotate-s_lock.patch
lockdep-annotate-sb-s_umount.patch
lockdep-annotate-slab-code.patch
lockdep-annotate-blkdev-nesting.patch
lockdep-annotate-vlan-net-device-as-being-a-special-class.patch
lockdep-annotate-on-stack-completions-mmc.patch
lockdep-irqtrace-subsystem-move-account_system_vtime-calls-into-kernel-softirqc.patch
lockdep-special-s390-print_symbol-version.patch
genirq-convert-the-x86_64-architecture-to-irq-chips.patch
genirq-add-chip-eoi-fastack-fasteoi-x86_64.patch
genirq-convert-the-i386-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips-fix-2.patch
genirq-add-chip-eoi-fastack-fasteoi-x86.patch
genirq-irq-convert-the-move_irq-flag-from-a-32bit-word-to-a-single-bit.patch
genirq-irq-add-moved_masked_irq.patch
genirq-x86_64-irq-reenable-migrating-irqs-to-other-cpus.patch
genirq-msi-simplify-msi-enable-and-disable.patch
genirq-msi-simplify-msi-enable-and-disable-fix.patch
genirq-msi-make-the-msi-boolean-tests-return-either-0-or-1.patch
genirq-msi-implement-helper-functions-read_msi_msg-and-write_msi_msg.patch
genirq-msi-refactor-the-msi_ops.patch
genirq-msi-simplify-the-msi-irq-limit-policy.patch
genirq-irq-add-a-dynamic-irq-creation-api.patch
genirq-ia64-irq-dynamic-irq-support.patch
genirq-i386-irq-dynamic-irq-support.patch
genirq-i386-irq-dynamic-irq-support-fix.patch
genirq-x86_64-irq-dynamic-irq-support.patch
genirq-msi-make-the-msi-code-irq-based-and-not-vector-based.patch
genirq-x86_64-irq-move-msi-message-composition-into-io_apicc.patch
genirq-i386-irq-move-msi-message-composition-into-io_apicc.patch
genirq-msi-only-build-msi-apicc-on-ia64.patch
genirq-x86_64-irq-remove-the-msi-assumption-that-irq-==-vector.patch
genirq-i386-irq-remove-the-msi-assumption-that-irq-==-vector.patch
genirq-i386-irq-remove-the-msi-assumption-that-irq-==-vector-fix.patch
genirq-irq-remove-msi-hacks.patch
genirq-irq-generalize-the-check-for-hardirq_bits.patch
genirq-x86_64-irq-make-the-external-irq-handlers-report-their-vector-not-the-irq-number.patch
genirq-x86_64-irq-make-vector_irq-per-cpu.patch
genirq-x86_64-irq-kill-gsi_irq_sharing.patch
genirq-x86_64-irq-kill-irq-compression.patch
detect-atomic-counter-underflows.patch
debug-shared-irqs.patch
make-frame_pointer-default=y.patch
mutex-subsystem-synchro-test-module.patch
vdso-print-fatal-signals.patch
vdso-improve-print_fatal_signals-support-by-adding-memory-maps.patch
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