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x86/msr: Add rdmsrl_on_cpu() compatibility wrapper

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Add a simple rdmsrl_on_cpu() compatibility wrapper for
rdmsrq_on_cpu(), to make life in -next easier, where
the PM tree recently grew more uses of the old API.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Mario Limonciello <mario.limonciello@amd.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Xin Li <xin@zytor.com>
Link: https://lore.kernel.org/r/20250512145517.6e0666e3@canb.auug.org.au
This commit is contained in:
Ingo Molnar 2025-05-15 17:49:16 +02:00
parent 1adf711919
commit baad9190e6
1 changed files with 1 additions and 0 deletions
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arch/x86/include/asm/msr.h
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@ -329,6 +329,7 @@ static inline int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
/* Compatibility wrappers: */
#define rdmsrl(msr, val) rdmsrq(msr, val)
#define wrmsrl(msr, val) wrmsrq(msr, val)
#define rdmsrl_on_cpu(cpu, msr, q) rdmsrq_on_cpu(cpu, msr, q)
#endif /* __ASSEMBLER__ */
#endif /* _ASM_X86_MSR_H */