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authorWolfram Sang <wsa+renesas@sang-engineering.com>2025-07-28 10:24:40 +0200
committerWolfram Sang <wsa+renesas@sang-engineering.com>2025-07-28 10:24:40 +0200
commitf61389a9cd26b424485acade726ccfff96c749de (patch)
treef54ed90124becd0e3758ef0702ae5866c6bfa65c /arch/x86/kernel/process.c
parentc3ff7f06c7876bc292cac1c7d4df3d0bfd74f3b7 (diff)
parent85b9dd6e90b92f5cb7c47991421ceb4925ba2a87 (diff)
Merge tag 'i2c-host-6.17-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host for v6.17, part 1 Cleanups and refactorings: - lpi2c, riic, st, stm32f7: general improvements - riic: support more flexible IRQ configurations - tegra: fix documentation Improvements: - lpi2c: improve register polling and add atomic transfer - imx: use guarded spinlocks New hardware support: - Samsung Exynos 2200 - Renesas RZ/T2H (R9A09G077), RZ/N2H (R9A09G087) DT binding: - rk3x: enable power domains - nxp: support clock property
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r--arch/x86/kernel/process.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 704883c21f3a..a838be04f874 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -907,16 +907,24 @@ static __init bool prefer_mwait_c1_over_halt(void)
*/
static __cpuidle void mwait_idle(void)
{
+ if (need_resched())
+ return;
+
+ x86_idle_clear_cpu_buffers();
+
if (!current_set_polling_and_test()) {
const void *addr = &current_thread_info()->flags;
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();
- }
+ if (need_resched())
+ goto out;
+
+ __sti_mwait(0, 0);
+ raw_local_irq_disable();
}
+
+out:
__current_clr_polling();
}