[PATCH 06/32] x86/msr: Stop using 32-bit MSR interfaces in lib/msr-smp.c
From: Juergen Gross
Date: Mon Jun 29 2026 - 02:08:32 EST
The 32-bit MSR interfaces rdmsr(), wrmsr(), rdmsr_safe() and
wrmsr_safe() are planned to be removed. Use the related 64-bit variants
instead.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
arch/x86/lib/msr-smp.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/lib/msr-smp.c b/arch/x86/lib/msr-smp.c
index 0c6627773c80..7b6cfc2c0970 100644
--- a/arch/x86/lib/msr-smp.c
+++ b/arch/x86/lib/msr-smp.c
@@ -15,7 +15,7 @@ static void __rdmsr_on_cpu(void *info)
else
reg = &rv->reg;
- rdmsr(rv->msr_no, reg->l, reg->h);
+ rdmsrq(rv->msr_no, reg->q);
}
static void __wrmsr_on_cpu(void *info)
@@ -28,7 +28,7 @@ static void __wrmsr_on_cpu(void *info)
else
reg = &rv->reg;
- wrmsr(rv->msr_no, reg->l, reg->h);
+ wrmsrq(rv->msr_no, reg->q);
}
int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
@@ -121,7 +121,7 @@ static void __rdmsr_safe_on_cpu(void *info)
{
struct msr_info_completion *rv = info;
- rv->msr.err = rdmsr_safe(rv->msr.msr_no, &rv->msr.reg.l, &rv->msr.reg.h);
+ rv->msr.err = rdmsrq_safe(rv->msr.msr_no, &rv->msr.reg.q);
complete(&rv->done);
}
@@ -129,7 +129,7 @@ static void __wrmsr_safe_on_cpu(void *info)
{
struct msr_info *rv = info;
- rv->err = wrmsr_safe(rv->msr_no, rv->reg.l, rv->reg.h);
+ rv->err = wrmsrq_safe(rv->msr_no, rv->reg.q);
}
int wrmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
--
2.54.0