On 4/23/2025 8:51 AM, Dave Hansen wrote:
On 4/22/25 01:21, Xin Li (Intel) wrote:
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);
}
A note on ordering: Had this been a native_wrmsr()=>__wrmsr()
conversion, it could be sucked into the tree easily before the big
__wrmsr()=>native_wrmsrq() conversion.
Can't reorder the 2 patches, because __wrmsr() takes two u32 arguments
and the split has to be done explicitly in sev_es_wr_ghcb_msr().
Thanks!
Xin
