SPLIT_LOCK DETECT is enabled in qemu patch: x86: define a new MSR based feature word -- FEAT_CORE_CAPABILITY and kernel patch series that includes: x86/split_lock: Align x86_capability to unsigned long to avoid split locked access
WAITPKG (UMONITOR/UMWAIT/TPAUSE) supplied in: x86/cpu: Add support for UMONITOR/UMWAIT/TPAUSE are turned off by default, so not added to this cpu model. Signed-off-by: Paul Lai <paul.c....@intel.com> Tested-by: Tao3 Xu <tao3...@intel.com> --- Changes in v4: Add SPLIT_LOCK DETECT capability to SnowRidge (SNR) cpu model --- target/i386/cpu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index c96f032f03..63d89276fe 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -2739,7 +2739,10 @@ static X86CPUDefinition builtin_x86_defs[] = { CPUID_7_0_ECX_MOVDIR64B, .features[FEAT_7_0_EDX] = CPUID_7_0_EDX_SPEC_CTRL | - CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL_SSBD, + CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL_SSBD | + CPUID_7_0_EDX_CORE_CAPABILITY, + .features[FEAT_CORE_CAPABILITY] = + MSR_CORE_CAP_SPLIT_LOCK_DETECT, /* * Missing: XSAVES (not supported by some Linux versions, * including v4.1 to v4.12). -- 2.17.2