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x86/hygon: Stop using 32-bit MSR interfaces

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The 32-bit MSR interface rdmsr_safe()is planned to be removed. Use the
related 64-bit variant instead.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Pu Wen <puwen@hygon.cn>
Link: https://patch.msgid.link/20260629060526.3638272-11-jgross@suse.com
This commit is contained in:
Juergen Gross
2026-06-29 08:05:01 +02:00
committed by Ingo Molnar
parent cff219368b
commit c36c3d7e5d
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kernel/cpu/hygon.c
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@@ -125,11 +125,12 @@ static void bsp_init_hygon(struct cpuinfo_x86 *c)
static void early_init_hygon(struct cpuinfo_x86 *c)
{
u32 dummy;
u64 val;
set_cpu_cap(c, X86_FEATURE_K8);
rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);
rdmsrq_safe(MSR_AMD64_PATCH_LEVEL, &val);
c->microcode = (u32)val;
/*
* c->x86_power is 8000_0007 edx. Bit 8 is TSC runs at constant rate