On Wed, Jun 25, 2025 at 11:57:10AM +0800, Xiaoyao Li wrote: > Date: Wed, 25 Jun 2025 11:57:10 +0800 > From: Xiaoyao Li <xiaoyao...@intel.com> > Subject: [PATCH] i386/tdx: Don't mask off CPUID_EXT_PDCM > X-Mailer: git-send-email 2.43.0 > > It gets below warning when booting TDX VMs: > > warning: TDX forcibly sets the feature: CPUID[eax=01h].ECX.pdcm [bit 15] > > Because CPUID_EXT_PDCM is fixed1 for TDX, and MSR_IA32_PERF_CAPABILITIES is > supported for TDX guest unconditioanlly. > > Don't mask off CPUID_EXT_PDCM for TDX. > > Signed-off-by: Xiaoyao Li <xiaoyao...@intel.com> > --- > target/i386/cpu.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-)
Reviewed-by: Zhao Liu <zhao1....@intel.com>
