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x86/msr: Remove rdmsr_on_cpu()

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rdmsr_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/20260608051741.3207435-5-jgross@suse.com
This commit is contained in:
Juergen Gross 2026-06-08 07:17:34 +02:00 committed by Ingo Molnar
parent 40b57cfbd2
commit 5ad93d5cd6
2 changed files with 0 additions and 22 deletions
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6
arch/x86/include/asm/msr.h
View File

@ -256,7 +256,6 @@ int msr_set_bit(u32 msr, u8 bit);
int msr_clear_bit(u32 msr, u8 bit);
#ifdef CONFIG_SMP
int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
@ -269,11 +268,6 @@ int wrmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
#else /* CONFIG_SMP */
static inline int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
{
rdmsr(msr_no, *l, *h);
return 0;
}
static inline int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
{
wrmsr(msr_no, l, h);

16
arch/x86/lib/msr-smp.c
View File

@ -31,22 +31,6 @@ static void __wrmsr_on_cpu(void *info)
wrmsr(rv->msr_no, reg->l, reg->h);
}
int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
{
int err;
struct msr_info rv;
memset(&rv, 0, sizeof(rv));
rv.msr_no = msr_no;
err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
*l = rv.reg.l;
*h = rv.reg.h;
return err;
}
EXPORT_SYMBOL(rdmsr_on_cpu);
int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
{
int err;