Commit 0ab56287 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov (AMD)
Browse files

x86/idle: Clean up idle selection 



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

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240229142248.392017685@linutronix.de
parent cb81deef

arch/x86/kernel/process.c

+7 −5
Original line number Diff line number Diff line
@@ -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)

	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");

#endif

	if (x86_idle_set() || boot_option_idle_override == IDLE_POLL)

		return;

	}



	if (x86_idle_set())

		return;



	if (prefer_mwait_c1_over_halt(c)) {