The following commit has been merged into the x86/core branch of tip:
Commit-ID: e638081751a292560a8aed36ec72e8f65b057892
Gitweb: https://git.kernel.org/tip/e638081751a292560a8aed36ec72e8f65b057892
Author: Sean Christopherson <seanjc@google.com>
AuthorDate: Thu, 22 May 2025 16:37:26 -07:00
Committer: Borislav Petkov (AMD) <bp@alien8.de>
CommitterDate: Thu, 10 Jul 2025 13:13:26 +02:00
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: Sean Christopherson <seanjc@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250522233733.3176144-3-seanjc@google.com
---
arch/x86/include/asm/smp.h | 5 ++---
arch/x86/lib/cache-smp.c | 3 +--
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 0c1c680..028f126 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -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)
diff --git a/arch/x86/lib/cache-smp.c b/arch/x86/lib/cache-smp.c
index 7af743b..079c3f3 100644
--- a/arch/x86/lib/cache-smp.c
+++ b/arch/x86/lib/cache-smp.c
@@ -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);