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authorIngo Molnar <mingo@kernel.org>2025-05-13 10:39:22 +0200
committerIngo Molnar <mingo@kernel.org>2025-05-13 10:39:22 +0200
commit34be751998c1407a460efe3a20f9c4ddb8c82b9f (patch)
treee6b55b0ee269828b0cb63c67039c094ef0f407dc /arch/x86/kernel/process.c
parentMerge branch 'x86/microcode' into x86/core, to merge dependent commits (diff)
parentx86/devmem: Remove duplicate range_is_allowed() definition (diff)
downloadlinux-34be751998c1407a460efe3a20f9c4ddb8c82b9f.tar.gz
linux-34be751998c1407a460efe3a20f9c4ddb8c82b9f.zip
Merge branch 'x86/mm' into x86/core, to resolve conflicts
Conflicts: arch/x86/mm/numa.c arch/x86/mm/pgtable.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r--arch/x86/kernel/process.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 9e6180777565..1871e833ecc7 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -901,13 +901,10 @@ static __init bool prefer_mwait_c1_over_halt(void)
static __cpuidle void mwait_idle(void)
{
if (!current_set_polling_and_test()) {
- if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) {
- mb(); /* quirk */
- clflush((void *)&current_thread_info()->flags);
- mb(); /* quirk */
- }
+ const void *addr = &current_thread_info()->flags;
- __monitor((void *)&current_thread_info()->flags, 0, 0);
+ alternative_input("", "clflush (%[addr])", X86_BUG_CLFLUSH_MONITOR, [addr] "a" (addr));
+ __monitor(addr, 0, 0);
if (!need_resched()) {
__sti_mwait(0, 0);
raw_local_irq_disable();