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x86/msr: Remove wrmsr_on_cpu()

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wrmsr_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/20260608051741.3207435-7-jgross@suse.com
This commit is contained in:
Juergen Gross 2026-06-08 07:17:36 +02:00 committed by Ingo Molnar
parent 35971831aa
commit 97a6561aca
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 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);
void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
@ -268,11 +267,6 @@ 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 wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
{
wrmsr(msr_no, l, h);
return 0;
}
static inline int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
{
rdmsrq(msr_no, *q);

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

@ -46,22 +46,6 @@ int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
}
EXPORT_SYMBOL(rdmsrq_on_cpu);
int wrmsr_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;
rv.reg.l = l;
rv.reg.h = h;
err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
return err;
}
EXPORT_SYMBOL(wrmsr_on_cpu);
int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
{
int err;