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 <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Mario Limonciello <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Xin Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Ingo Molnar

arch/x86/include/asm/msr.h

@@ -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 */