lkml.org 
[lkml]   [2021]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 2/6] x86/sev: Fix nonistr violation
When the compiler fails to inline; we violate nonisntr:

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

Fixes: 4ca68e023b11 ("x86/sev-es: Handle NMI State")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/x86/kernel/sev-es.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/sev-es.c
+++ b/arch/x86/kernel/sev-es.c
@@ -225,7 +225,7 @@ static inline u64 sev_es_rd_ghcb_msr(voi
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;


\
 
 \ /
  Last update: 2021-01-06 15:51    [W:0.453 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site