On Fri, Mar 15, 2024 at 03:50:18PM +0800, Zhao Liu wrote: > > Make RFDS_CLEAR and RFDS_NO bits available to guests. > > Are these two bits going to be supported by microcode updates to > existing products?
RFDS_CLEAR is supported by the microcode update that is needed to mitigate RFDS. RFDS_NO will be supported by future unaffected parts and some of the existing parts. AFAIK, not all unaffected existing parts will get RFDS_NO, for such parts KVM synthesizes RFDS_NO. > (Let me aslo attach the related spec to make it easy for more people to > learn about backgrounds: > https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/register-file-data-sampling.html) > > > Signed-off-by: Pawan Gupta <pawan.kumar.gu...@linux.intel.com> > > --- > > target/i386/cpu.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > LGTM, > > Reviewed-by: Zhao Liu <zhao1....@intel.com> Thank you.
