From 2c873d55cd838deef8218b6d5fe9bd336cb3113a Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 5 Feb 2017 12:11:03 +0100 Subject: sched/core: Remove unused prefetch_stack() prefetch_stack() is defined by IA64, but not actually used anywhere anymore. Remove it. Acked-by: Linus Torvalds Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/ia64/include/asm/processor.h | 2 -- arch/ia64/kernel/entry.S | 23 ----------------------- 2 files changed, 25 deletions(-) (limited to 'arch') 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 #include -#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 -- cgit v1.2.3