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x86/sev: Fix nonistr violation 

When the compiler fails to inline, it violates nonisntr:

  vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0xc7: call to sev_es_wr_ghcb_msr() leaves .noinstr.text section

Fixes: 4ca68e023b ("x86/sev-es: Handle NMI State")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210106144017.532902065@infradead.org
This commit is contained in:
Peter Zijlstra 2021-01-06 15:36:21 +01:00 committed by Thomas Gleixner
parent 9caa7ff509
commit a1d5c98aac
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/sev-es.c
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@ -225,7 +225,7 @@ static inline u64 sev_es_rd_ghcb_msr(void)
return __rdmsr(MSR_AMD64_SEV_ES_GHCB);
}
static inline void sev_es_wr_ghcb_msr(u64 val)
static __always_inline void sev_es_wr_ghcb_msr(u64 val)
{
u32 low, high;