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[Qemu-devel] [PULL 23/77] i386: remove the new CPUID 'PCONFIG' from Icel
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 23/77] i386: remove the new CPUID 'PCONFIG' from Icelake-Server CPU model |
Date: |
Mon, 4 Feb 2019 19:35:25 +0100 |
From: Robert Hoo <address@hidden>
PCONFIG is not available to guests; it must be specifically enabled
using the PCONFIG_ENABLE execution control. Disable it, because
no one can ever use it.
Signed-off-by: Robert Hoo <address@hidden>
Message-Id: <address@hidden>
Cc: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
---
target/i386/cpu.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 7483dae..4d21ae4 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2650,8 +2650,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
CPUID_7_0_ECX_AVX512VNNI | CPUID_7_0_ECX_AVX512BITALG |
CPUID_7_0_ECX_AVX512_VPOPCNTDQ | CPUID_7_0_ECX_LA57,
.features[FEAT_7_0_EDX] =
- CPUID_7_0_EDX_PCONFIG | CPUID_7_0_EDX_SPEC_CTRL |
- CPUID_7_0_EDX_SPEC_CTRL_SSBD,
+ CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_SPEC_CTRL_SSBD,
/* Missing: XSAVES (not supported by some Linux versions,
* including v4.1 to v4.12).
* KVM doesn't yet expose any XSAVES state save component,
--
1.8.3.1
- [Qemu-devel] [PULL 14/77] pvh: Add x86/HVM direct boot ABI header file, (continued)
- [Qemu-devel] [PULL 14/77] pvh: Add x86/HVM direct boot ABI header file, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 09/77] cpu-exec: reset BQL after longjmp in cpu_exec_step_atomic, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 02/77] vhost-user-test: signal data_cond when s->rings changes, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 17/77] linuxboot_dma: remove duplicate definitions of FW_CFG, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 13/77] elf-ops.h: Add get_elf_note_type(), Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 20/77] hw/i386/pc: use PVH option rom, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 01/77] vhost-user-test: use g_cond_broadcast, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 29/77] contrib/elf2dmp: use GLib in PDB processing, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 16/77] pvh: load initrd and expose it through fw_cfg, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 18/77] linuxboot_dma: move common functions in a new header, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 23/77] i386: remove the new CPUID 'PCONFIG' from Icelake-Server CPU model,
Paolo Bonzini <=
- [Qemu-devel] [PULL 30/77] contrib/elf2dmp: fix structures definitions, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 32/77] configure: enable elf2dmp build for Windows hosts, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 12/77] elf: Add optional function ptr to load_elf() to parse ELF notes, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 24/77] i386: remove the 'INTEL_PT' CPUID bit from named CPU models, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 26/77] target-i386: hvf: remove MPX support, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 22/77] hw/i386/pc: enable PVH only for machine type >= 4.0, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 28/77] contrib/elf2dmp: use GLib in ELF processing, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 19/77] optionrom: add new PVH option rom, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 21/77] optionrom/pvh: load initrd from fw_cfg, Paolo Bonzini, 2019/02/04
- [Qemu-devel] [PULL 25/77] Revert "i386: Add CPUID bit for PCONFIG", Paolo Bonzini, 2019/02/04