Convert a native_wrmsr() use to native_wrmsrq() to zap meaningless type conversions when a u64 MSR value is splitted into two u32.
Signed-off-by: Xin Li (Intel) <x...@zytor.com> --- arch/x86/include/asm/sev-internal.h | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/x86/include/asm/sev-internal.h b/arch/x86/include/asm/sev-internal.h index 73cb774c3639..9da509e52e11 100644 --- a/arch/x86/include/asm/sev-internal.h +++ b/arch/x86/include/asm/sev-internal.h @@ -101,12 +101,7 @@ static inline u64 sev_es_rd_ghcb_msr(void) static __always_inline void sev_es_wr_ghcb_msr(u64 val) { - u32 low, high; - - low = (u32)(val); - high = (u32)(val >> 32); - - native_wrmsr(MSR_AMD64_SEV_ES_GHCB, low, high); + native_wrmsrq(MSR_AMD64_SEV_ES_GHCB, val); } enum es_result sev_es_ghcb_hv_call(struct ghcb *ghcb, -- 2.49.0