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x86/msr: Add compatibility wrappers for rdmsrl()/wrmsrl()

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To reduce the impact of the API renames in -next, add compatibility
wrappers for the two most popular MSR access APIs: rdmsrl() and wrmsrl().

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Xin Li <xin@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Ingo Molnar 2025-04-13 20:43:16 +02:00
parent eef476f15c
commit a5447e92e1
1 changed files with 5 additions and 0 deletions
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5
arch/x86/include/asm/msr.h
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@ -396,5 +396,10 @@ static inline int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
return wrmsr_safe_regs(regs);
}
#endif /* CONFIG_SMP */
/* Compatibility wrappers: */
#define rdmsrl(msr, val) rdmsrq(msr, val)
#define wrmsrl(msr, val) wrmsrq(msr, val)
#endif /* __ASSEMBLER__ */
#endif /* _ASM_X86_MSR_H */