On 4/14/2023 2:25 PM, Chao Gao wrote:
Allow guest to query if the underying VMM understands Retpoline and report the statue of Retpoline in suprevisor mode i.e. CPL < 3 via
s/statue/status
MSR_VIRTUAL_MITIGATION_ENUM/CTRL. Disable RRSBA behavior by setting RRSBA_DIS_S for guest if guest is using retpoline and the processor has the behavior. Signed-off-by: Zhang Chen <chen.zhang@xxxxxxxxx> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx> Tested-by: Jiaan Lu <jiaan.lu@xxxxxxxxx> ---
Thanks, Jingqi