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HV: cpuid: Disable Intel RDT for guest OS

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Now the Intel RDT emulation is working in progress. So disable it
for temporary solution to avoid guest OS running with incorrect RDT
configuration.

Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo Liu
2018-07-19 11:01:27 +08:00
committed by lijinxia
parent 9ac1be2c5e
commit 38b9b7d37c
2 changed files with 68 additions and 62 deletions
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4
hypervisor/arch/x86/cpuid.c
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@@ -98,7 +98,9 @@ static void init_vcpuid_entry(__unused struct vm *vm,
&entry->eax, &entry->ebx,
&entry->ecx, &entry->edx);
/* mask invpcid */
entry->ebx &= ~CPUID_EBX_INVPCID;
entry->ebx &= ~(CPUID_EBX_INVPCID |
CPUID_EBX_PQM |
CPUID_EBX_PQE);
} else {
entry->eax = 0U;
entry->ebx = 0U;