Commit e6380817 authored by Sean Christopherson's avatar Sean Christopherson Committed by Borislav Petkov (AMD)
Browse files

x86/lib: Drop the unused return value from wbinvd_on_all_cpus() 



Drop wbinvd_on_all_cpus()'s return value; both the "real" version and the
stub always return '0', and none of the callers check the return.

Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250522233733.3176144-3-seanjc@google.com
parent 1d738dbb

arch/x86/include/asm/smp.h

+2 −3
Original line number Diff line number Diff line
@@ -112,7 +112,7 @@ void __noreturn hlt_play_dead(void); 
void native_play_dead(void);

void play_dead_common(void);

void wbinvd_on_cpu(int cpu);

int wbinvd_on_all_cpus(void);

void wbinvd_on_all_cpus(void);



void smp_kick_mwait_play_dead(void);

void __noreturn mwait_play_dead(unsigned int eax_hint);
@@ -148,10 +148,9 @@ static inline struct cpumask *cpu_l2c_shared_mask(int cpu) 


#else /* !CONFIG_SMP */

#define wbinvd_on_cpu(cpu)     wbinvd()

static inline int wbinvd_on_all_cpus(void)

static inline void wbinvd_on_all_cpus(void)

{

	wbinvd();

	return 0;

}



static inline struct cpumask *cpu_llc_shared_mask(int cpu)

arch/x86/lib/cache-smp.c

+1 −2
Original line number Diff line number Diff line
@@ -14,9 +14,8 @@ void wbinvd_on_cpu(int cpu) 
}

EXPORT_SYMBOL(wbinvd_on_cpu);



int wbinvd_on_all_cpus(void)

void wbinvd_on_all_cpus(void)

{

	on_each_cpu(__wbinvd, NULL, 1);

	return 0;

}

EXPORT_SYMBOL(wbinvd_on_all_cpus);