diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2019-10-15 22:17:56 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-12-08 16:37:33 +0300 |
| commit | b9b75e53b2fb040bc74a750fb27bbfa80059b3fe (patch) | |
| tree | f39f0542c0750b59932656a736823d490edfd8f5 /arch/ia64 | |
| parent | 143cd41f50e0c074fbdb06c3ab75a45e3076b5a6 (diff) | |
| download | linux-b9b75e53b2fb040bc74a750fb27bbfa80059b3fe.tar.xz | |
sched/rt, ia64: Use CONFIG_PREEMPTION
CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT.
Both PREEMPT and PREEMPT_RT require the same functionality which today
depends on CONFIG_PREEMPT.
Switch the entry code and kprobes over to use CONFIG_PREEMPTION.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-ia64@vger.kernel.org
Link: https://lore.kernel.org/r/20191015191821.11479-10-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/entry.S | 12 | ||||
| -rw-r--r-- | arch/ia64/kernel/kprobes.c | 2 |
2 files changed, 7 insertions, 7 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index a9992be5718b..2ac926331500 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -670,12 +670,12 @@ GLOBAL_ENTRY(ia64_leave_syscall) * * p6 controls whether current_thread_info()->flags needs to be check for * extra work. We always check for extra work when returning to user-level. - * With CONFIG_PREEMPT, we also check for extra work when the preempt_count + * With CONFIG_PREEMPTION, we also check for extra work when the preempt_count * is 0. After extra work processing has been completed, execution * resumes at ia64_work_processed_syscall with p6 set to 1 if the extra-work-check * needs to be redone. */ -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPTION RSM_PSR_I(p0, r2, r18) // disable interrupts cmp.eq pLvSys,p0=r0,r0 // pLvSys=1: leave from syscall (pKStk) adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13 @@ -685,7 +685,7 @@ GLOBAL_ENTRY(ia64_leave_syscall) (pUStk) mov r21=0 // r21 <- 0 ;; cmp.eq p6,p0=r21,r0 // p6 <- pUStk || (preempt_count == 0) -#else /* !CONFIG_PREEMPT */ +#else /* !CONFIG_PREEMPTION */ RSM_PSR_I(pUStk, r2, r18) cmp.eq pLvSys,p0=r0,r0 // pLvSys=1: leave from syscall (pUStk) cmp.eq.unc p6,p0=r0,r0 // p6 <- pUStk @@ -814,12 +814,12 @@ GLOBAL_ENTRY(ia64_leave_kernel) * * p6 controls whether current_thread_info()->flags needs to be check for * extra work. We always check for extra work when returning to user-level. - * With CONFIG_PREEMPT, we also check for extra work when the preempt_count + * With CONFIG_PREEMPTION, we also check for extra work when the preempt_count * is 0. After extra work processing has been completed, execution * resumes at .work_processed_syscall with p6 set to 1 if the extra-work-check * needs to be redone. */ -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPTION RSM_PSR_I(p0, r17, r31) // disable interrupts cmp.eq p0,pLvSys=r0,r0 // pLvSys=0: leave from kernel (pKStk) adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13 @@ -1120,7 +1120,7 @@ skip_rbs_switch: /* * On entry: - * r20 = ¤t->thread_info->pre_count (if CONFIG_PREEMPT) + * r20 = ¤t->thread_info->pre_count (if CONFIG_PREEMPTION) * r31 = current->thread_info->flags * On exit: * p6 = TRUE if work-pending-check needs to be redone diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index b8356edbde65..a6d6a0556f08 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -841,7 +841,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args) return 1; } -#if !defined(CONFIG_PREEMPT) +#if !defined(CONFIG_PREEMPTION) if (p->ainsn.inst_flag == INST_FLAG_BOOSTABLE && !p->post_handler) { /* Boost up -- we can execute copied instructions directly */ ia64_psr(regs)->ri = p->ainsn.slot; |