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authorStephane Eranian <eranian@hpl.hp.com>2007-07-31 00:38:00 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:39:38 -0700
commita583f1b54249b11ad1ffd14c6e74d28fcbc59c07 (patch)
tree3220e8baad9631c7d24175f712833aa5a0d468ae /arch
parentcd4f0ef7c03e79f92a883843662e3d0eaae26fb4 (diff)
remove unused TIF_NOTIFY_RESUME flag
Remove unused TIF_NOTIFY_RESUME flag for all processor architectures. The flag was not used excecpt on IA-64 where the patch replaces it with TIF_PERFMON_WORK. Signed-off-by: stephane eranian <eranian@hpl.hp.com> Cc: <linux-arch@vger.kernel.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/entry-common.S2
-rw-r--r--arch/arm26/kernel/entry.S2
-rw-r--r--arch/ia64/kernel/perfmon.c4
-rw-r--r--arch/powerpc/kernel/entry_64.S1
-rw-r--r--arch/x86_64/kernel/entry.S6
5 files changed, 7 insertions, 8 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index c589dc3ecd1..33e6cc2ffd3 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -46,7 +46,7 @@ fast_work_pending:
work_pending:
tst r1, #_TIF_NEED_RESCHED
bne work_resched
- tst r1, #_TIF_NOTIFY_RESUME | _TIF_SIGPENDING
+ tst r1, #_TIF_SIGPENDING
beq no_work_pending
mov r0, sp @ 'regs'
mov r2, why @ 'syscall'
diff --git a/arch/arm26/kernel/entry.S b/arch/arm26/kernel/entry.S
index 91496cc687b..7ffcc6e4770 100644
--- a/arch/arm26/kernel/entry.S
+++ b/arch/arm26/kernel/entry.S
@@ -194,7 +194,7 @@ fast_work_pending:
work_pending:
tst r1, #_TIF_NEED_RESCHED
bne work_resched
- tst r1, #_TIF_NOTIFY_RESUME | _TIF_SIGPENDING
+ tst r1, #_TIF_SIGPENDING
beq no_work_pending
mov r0, sp @ 'regs'
mov r2, why @ 'syscall'
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index b7133cabdbe..14b8e5a6222 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -591,13 +591,13 @@ pfm_set_task_notify(struct task_struct *task)
struct thread_info *info;
info = (struct thread_info *) ((char *) task + IA64_TASK_SIZE);
- set_bit(TIF_NOTIFY_RESUME, &info->flags);
+ set_bit(TIF_PERFMON_WORK, &info->flags);
}
static inline void
pfm_clear_task_notify(void)
{
- clear_thread_flag(TIF_NOTIFY_RESUME);
+ clear_thread_flag(TIF_PERFMON_WORK);
}
static inline void
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 2b66d53dcc5..9ef28da2c7f 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -546,7 +546,6 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
rfid
b . /* prevent speculative execution */
-/* Note: this must change if we start using the TIF_NOTIFY_RESUME bit */
do_work:
#ifdef CONFIG_PREEMPT
andi. r0,r3,MSR_PR /* Returning to user mode? */
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 830cfc6ee8c..1d232e5f565 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -282,7 +282,7 @@ sysret_careful:
sysret_signal:
TRACE_IRQS_ON
sti
- testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+ testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
jz 1f
/* Really a signal */
@@ -375,7 +375,7 @@ int_very_careful:
jmp int_restore_rest
int_signal:
- testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+ testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
jz 1f
movq %rsp,%rdi # &ptregs -> arg1
xorl %esi,%esi # oldset -> arg2
@@ -599,7 +599,7 @@ retint_careful:
jmp retint_check
retint_signal:
- testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
+ testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx
jz retint_swapgs
TRACE_IRQS_ON
sti