x86/msr: Remove rdmsr_safe_on_cpu()

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

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 0205643c1ece9f1aa617e21fde72f4c6643b1257..b0bf1a761a400d722bd2a51cfe5524cb65588f16 100644 (file)
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -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);

diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c
index f3c75b681603677070caace838b85ab51088e319..f58e0bab0be0464e8f453f1d0e4cf84b1a0cc741 100644 (file)
--- a/arch/x86/lib/msr-smp.c
+++ b/arch/x86/lib/msr-smp.c
@@ -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;