[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v1 3/3] x86/msr: Convert a native_wrmsr() use to native_wrmsrq()
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) <xin@xxxxxxxxx> --- arch/x86/coco/sev/core.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c index ff82151f7718..b3ce6fc8b62d 100644 --- a/arch/x86/coco/sev/core.c +++ b/arch/x86/coco/sev/core.c @@ -282,12 +282,7 @@ 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); } static int vc_fetch_insn_kernel(struct es_em_ctxt *ctxt, -- 2.49.0
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |