We can't handle most of these emulated MSRs because we don't actually read and write the MSR in userspace. Removing them from the emmsr array
Signed-off-by: Gan Shun <[email protected]> Change-Id: I127adf7ef346df7a5aeb3959b4b41afc25921c49 --- user/vmm/vmxmsr.c | 40 ---------------------------------------- 1 file changed, 40 deletions(-) diff --git a/user/vmm/vmxmsr.c b/user/vmm/vmxmsr.c index 45ccdc5..db8afce 100644 --- a/user/vmm/vmxmsr.c +++ b/user/vmm/vmxmsr.c @@ -65,46 +65,6 @@ static int emsr_fakewrite(struct guest_thread *vm_thread, struct emmsr *, static int emsr_ok(struct guest_thread *vm_thread, struct emmsr *, uint32_t); struct emmsr emmsrs[] = { - {MSR_IA32_MISC_ENABLE, "MSR_IA32_MISC_ENABLE", emsr_miscenable}, - {MSR_IA32_SYSENTER_CS, "MSR_IA32_SYSENTER_CS", emsr_ok}, - {MSR_IA32_SYSENTER_EIP, "MSR_IA32_SYSENTER_EIP", emsr_ok}, - {MSR_IA32_SYSENTER_ESP, "MSR_IA32_SYSENTER_ESP", emsr_ok}, - {MSR_IA32_UCODE_REV, "MSR_IA32_UCODE_REV", emsr_fakewrite}, - {MSR_CSTAR, "MSR_CSTAR", emsr_fakewrite}, - {MSR_IA32_VMX_BASIC_MSR, "MSR_IA32_VMX_BASIC_MSR", emsr_fakewrite}, - {MSR_IA32_VMX_PINBASED_CTLS_MSR, "MSR_IA32_VMX_PINBASED_CTLS_MSR", - emsr_fakewrite}, - {MSR_IA32_VMX_PROCBASED_CTLS_MSR, "MSR_IA32_VMX_PROCBASED_CTLS_MSR", - emsr_fakewrite}, - {MSR_IA32_VMX_PROCBASED_CTLS2, "MSR_IA32_VMX_PROCBASED_CTLS2", - emsr_fakewrite}, - {MSR_IA32_VMX_EXIT_CTLS_MSR, "MSR_IA32_VMX_EXIT_CTLS_MSR", - emsr_fakewrite}, - {MSR_IA32_VMX_ENTRY_CTLS_MSR, "MSR_IA32_VMX_ENTRY_CTLS_MSR", - emsr_fakewrite}, - {MSR_IA32_ENERGY_PERF_BIAS, "MSR_IA32_ENERGY_PERF_BIAS", - emsr_fakewrite}, - {MSR_LBR_SELECT, "MSR_LBR_SELECT", emsr_ok}, - {MSR_LBR_TOS, "MSR_LBR_TOS", emsr_ok}, - {MSR_LBR_NHM_FROM, "MSR_LBR_NHM_FROM", emsr_ok}, - {MSR_LBR_NHM_TO, "MSR_LBR_NHM_TO", emsr_ok}, - {MSR_LBR_CORE_FROM, "MSR_LBR_CORE_FROM", emsr_ok}, - {MSR_LBR_CORE_TO, "MSR_LBR_CORE_TO", emsr_ok}, - - // grumble. - {MSR_OFFCORE_RSP_0, "MSR_OFFCORE_RSP_0", emsr_ok}, - {MSR_OFFCORE_RSP_1, "MSR_OFFCORE_RSP_1", emsr_ok}, - // louder. - {MSR_PEBS_LD_LAT_THRESHOLD, "MSR_PEBS_LD_LAT_THRESHOLD", emsr_ok}, - // aaaaaahhhhhhhhhhhhhhhhhhhhh - {MSR_ARCH_PERFMON_EVENTSEL0, "MSR_ARCH_PERFMON_EVENTSEL0", emsr_ok}, - {MSR_ARCH_PERFMON_EVENTSEL1, "MSR_ARCH_PERFMON_EVENTSEL0", emsr_ok}, - {MSR_IA32_PERF_CAPABILITIES, "MSR_IA32_PERF_CAPABILITIES", emsr_ok}, - // unsafe. - {MSR_IA32_APICBASE, "MSR_IA32_APICBASE", emsr_fakewrite}, - - // mostly harmless. - {MSR_TSC_AUX, "MSR_TSC_AUX", emsr_fakewrite}, {MSR_RAPL_POWER_UNIT, "MSR_RAPL_POWER_UNIT", emsr_readzero}, }; -- 2.8.0.rc3.226.g39d4020 -- You received this message because you are subscribed to the Google Groups "Akaros" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
