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| author | Ingo Molnar <mingo@kernel.org> | 2017-02-05 12:11:03 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-03 01:45:38 +0100 |
| commit | 2c873d55cd838deef8218b6d5fe9bd336cb3113a (patch) | |
| tree | 69cdac9daa1b9d2985eccc31f4866fc9dd74303e /arch/ia64 | |
| parent | sched/headers: Remove <linux/rculist.h> from <linux/sched.h> (diff) | |
| download | linux-2c873d55cd838deef8218b6d5fe9bd336cb3113a.tar.xz linux-2c873d55cd838deef8218b6d5fe9bd336cb3113a.zip | |
sched/core: Remove unused prefetch_stack()
prefetch_stack() is defined by IA64, but not actually used anywhere anymore.
Remove it.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/entry.S | 23 |
2 files changed, 0 insertions, 25 deletions
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 03911a336406..26a63d69c599 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -19,8 +19,6 @@ #include <asm/ptrace.h> #include <asm/ustack.h> -#define ARCH_HAS_PREFETCH_SWITCH_STACK - #define IA64_NUM_PHYS_STACK_REG 96 #define IA64_NUM_DBG_REGS 8 diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 6f27a663177c..e7a716b09350 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -455,29 +455,6 @@ GLOBAL_ENTRY(load_switch_stack) br.cond.sptk.many b7 END(load_switch_stack) -GLOBAL_ENTRY(prefetch_stack) - add r14 = -IA64_SWITCH_STACK_SIZE, sp - add r15 = IA64_TASK_THREAD_KSP_OFFSET, in0 - ;; - ld8 r16 = [r15] // load next's stack pointer - lfetch.fault.excl [r14], 128 - ;; - lfetch.fault.excl [r14], 128 - lfetch.fault [r16], 128 - ;; - lfetch.fault.excl [r14], 128 - lfetch.fault [r16], 128 - ;; - lfetch.fault.excl [r14], 128 - lfetch.fault [r16], 128 - ;; - lfetch.fault.excl [r14], 128 - lfetch.fault [r16], 128 - ;; - lfetch.fault [r16], 128 - br.ret.sptk.many rp -END(prefetch_stack) - /* * Invoke a system call, but do some tracing before and after the call. * We MUST preserve the current register frame throughout this routine |