Messages in this thread Patch in this message | | | From | Hui Su <> | Subject | [PATCH] x86/intel_rdt: use __this_cpu_read in pseudo_lock_fn() | Date | Fri, 23 Jul 2021 10:33:42 +0800 |
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The code is executed with interrupts disabled, so it's safe to use __this_cpu_read().
Signed-off-by: Hui Su <suhui@zeku.com> --- arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c index 2207916cae65..f0cc0a89333b 100644 --- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c +++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c @@ -464,8 +464,8 @@ static int pseudo_lock_fn(void *_rdtgrp) * cache. */ __wrmsr(MSR_MISC_FEATURE_CONTROL, prefetch_disable_bits, 0x0); - closid_p = this_cpu_read(pqr_state.cur_closid); - rmid_p = this_cpu_read(pqr_state.cur_rmid); + closid_p = __this_cpu_read(pqr_state.cur_closid); + rmid_p = __this_cpu_read(pqr_state.cur_rmid); mem_r = plr->kmem; size = plr->size; line_size = plr->line_size; -- 2.30.2
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