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| author | Stephane Eranian <eranian@hpl.hp.com> | 2007-07-31 09:38:00 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-01 00:39:38 +0200 |
| commit | a583f1b54249b11ad1ffd14c6e74d28fcbc59c07 (patch) | |
| tree | 3220e8baad9631c7d24175f712833aa5a0d468ae /arch | |
| parent | doc/kernel-parameters: use X86-32 tag instead of IA-32 (diff) | |
| download | linux-a583f1b54249b11ad1ffd14c6e74d28fcbc59c07.tar.xz linux-a583f1b54249b11ad1ffd14c6e74d28fcbc59c07.zip | |
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.S | 2 | ||||
| -rw-r--r-- | arch/arm26/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/perfmon.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 1 | ||||
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 6 |
5 files changed, 7 insertions, 8 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index c589dc3ecd1a..33e6cc2ffd3b 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 91496cc687b1..7ffcc6e4770e 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 b7133cabdbea..14b8e5a6222b 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 2b66d53dcc55..9ef28da2c7fe 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 830cfc6ee8cb..1d232e5f5658 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 |