Commit baad9190 authored May 15, 2025 by Ingo Molnar

x86/msr: Add rdmsrl_on_cpu() compatibility wrapper



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

parent 1adf7119

arch/x86/include/asm/msr.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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 */