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x86/msr: Remove rdmsr_safe_on_cpu()

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rdmsr_safe_on_cpu() has no users left. Delete it.

Tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Link: https://patch.msgid.link/20260608051741.3207435-10-jgross@suse.com
This commit is contained in:
Juergen Gross
2026-06-08 07:17:39 +02:00
committed by Ingo Molnar
parent 91660aae2f
commit d2eb65a9aa
2 changed files with 0 additions and 30 deletions
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6
arch/x86/include/asm/msr.h
View File

@@ -260,7 +260,6 @@ int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
int rdmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
int wrmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
@@ -287,11 +286,6 @@ static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
{
wrmsrq_on_cpu(0, msr_no, raw_cpu_read(msrs->q));
}
static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no,
u32 *l, u32 *h)
{
return rdmsr_safe(msr_no, l, h);
}
static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
{
return wrmsr_safe(msr_no, l, h);

24
arch/x86/lib/msr-smp.c
View File

@@ -132,30 +132,6 @@ static void __wrmsr_safe_on_cpu(void *info)
rv->err = wrmsr_safe(rv->msr_no, rv->reg.l, rv->reg.h);
}
int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
{
struct msr_info_completion rv;
call_single_data_t csd;
int err;
INIT_CSD(&csd, __rdmsr_safe_on_cpu, &rv);
memset(&rv, 0, sizeof(rv));
init_completion(&rv.done);
rv.msr.msr_no = msr_no;
err = smp_call_function_single_async(cpu, &csd);
if (!err) {
wait_for_completion(&rv.done);
err = rv.msr.err;
}
*l = rv.msr.reg.l;
*h = rv.msr.reg.h;
return err;
}
EXPORT_SYMBOL(rdmsr_safe_on_cpu);
int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
{
int err;