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Revert "i386: Add CPUID bit for PCONFIG" 

This reverts commit 5131dc433d.
For new instruction 'PCONFIG' will not be exposed to guest.

Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Message-Id: <1545227081-213696-3-git-send-email-robert.hu@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Robert Hoo 2018-12-19 21:44:41 +08:00 committed by Paolo Bonzini
parent 4c257911dc
commit 712f807e19
2 changed files with 1 additions and 2 deletions
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2
target/i386/cpu.c
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@ -1077,7 +1077,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "pconfig", NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "spec-ctrl", "stibp",
NULL, "arch-capabilities", NULL, "ssbd",

1
target/i386/cpu.h
View File

@ -694,7 +694,6 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */
#define CPUID_7_0_EDX_PCONFIG (1U << 18) /* Platform Configuration */
#define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */
#define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) /*Arch Capabilities*/
#define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) /* Speculative Store Bypass Disable */