public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

x86/idle: Clean up idle selection

Browse source 
Clean up the code to make it readable. No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240229142248.392017685@linutronix.de
This commit is contained in:
Thomas Gleixner 2024-02-29 15:23:38 +01:00 • committed by Borislav Petkov (AMD)
parent cb81deefb5
commit 0ab562875c
1 changed files with 7 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
arch/x86/kernel/process.c
View file

@ -910,11 +910,13 @@ static __cpuidle void mwait_idle(void)
void select_idle_routine(const struct cpuinfo_x86 *c)
{
#ifdef CONFIG_SMP
if (boot_option_idle_override == IDLE_POLL && smp_num_siblings > 1)
pr_warn_once("WARNING: polling idle and HT enabled, performance may degrade\n");
#endif
if (x86_idle_set() || boot_option_idle_override == IDLE_POLL)
if (boot_option_idle_override == IDLE_POLL) {
if (IS_ENABLED(CONFIG_SMP) && smp_num_siblings > 1)
pr_warn_once("WARNING: polling idle and HT enabled, performance may degrade\n");
return;
}
if (x86_idle_set())
return;
if (prefer_mwait_c1_over_halt(c)) {