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Shuo Liu 86d709ce30 x86/acrn: Allow ACRN guest to use X2APIC mode 
The ACRN Hypervisor did not support x2APIC and thus x2APIC support was
disabled by always returning false when VM checked for x2APIC support.

ACRN received full support of x2APIC and exports the capability through
CPUID feature bits.

Let VM decide if it needs to switch to x2APIC mode according to CPUID
features.

Originally-by: Yakui Zhao <yakui.zhao@intel.com>
Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20200806113802.9325-1-shuo.a.liu@intel.com
2020-08-07 01:32:00 +02:00
..
mce
The conversion of X86 syscall, interrupt and exception entry/exit handling
2020-08-04 21:05:46 -07:00
microcode
x86/microcode: Do not select FW_LOADER
2020-06-15 11:59:19 +02:00
mtrr
x86/tlb: Move __flush_tlb() out of line
2020-04-26 11:00:05 +02:00
resctrl
x86/resctrl: Fix a NULL vs IS_ERR() static checker warning in rdt_cdp_peer_get()
2020-06-17 12:18:34 +02:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
acrn.c
x86/acrn: Allow ACRN guest to use X2APIC mode
2020-08-07 01:32:00 +02:00
amd.c
Misc updates:
2020-06-01 13:57:51 -07:00
aperfmperf.c
x86/cpu: Disable frequency requests via aperfmperf IPI for nohz_full CPUs
2019-06-22 17:23:48 +02:00
bugs.c
Support for FSGSBASE. Almost 5 years after the first RFC to support it,
2020-08-04 21:16:22 -07:00
cacheinfo.c
x86/cacheinfo: Fix a -Wtype-limits warning
2019-06-19 19:21:32 +02:00
centaur.c
x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup
2020-06-15 14:18:37 +02:00
common.c
Support for FSGSBASE. Almost 5 years after the first RFC to support it,
2020-08-04 21:16:22 -07:00
cpu.h
x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup
2020-06-15 14:18:37 +02:00
cpuid-deps.c
x86/cpufeatures: Enable a new AVX512 CPU feature
2019-07-22 10:38:25 +02:00
cyrix.c
x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors
2019-03-21 12:28:50 +01:00
feat_ctl.c
x86/cpu: Fix a -Wmissing-prototypes warning for init_ia32_feat_ctl()
2020-03-23 12:01:59 +01:00
hygon.c
x86: Remove X86_FEATURE_MFENCE_RDTSC
2019-07-22 12:00:51 +02:00
hypervisor.c
x86/paravirt: Remove const mark from x86_hyper_xen_hvm variable
2019-07-17 08:09:59 +02:00
intel_epb.c
x86: intel_epb: Do not build when CONFIG_PM is unset
2019-05-30 10:58:36 +02:00
intel_pconfig.c
x86/pconfig: Detect PCONFIG targets
2018-03-12 12:10:54 +01:00
intel.c
x86/split_lock: Enable the split lock feature on Sapphire Rapids and Alder Lake CPUs
2020-07-25 12:17:00 +02:00
Makefile
Merge branch 'x86/kdump' into locking/kcsan, to resolve conflicts
2020-03-21 09:24:41 +01:00
match.c
x86/cpu: Add a steppings field to struct x86_cpu_id
2020-04-20 12:19:21 +02:00
mkcapflags.sh
x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
2020-01-13 18:36:02 +01:00
mshyperv.c
x86/entry: Convert various hypervisor vectors to IDTENTRY_SYSVEC
2020-06-11 15:15:15 +02:00
perfctr-watchdog.c
x86/perf: Add hardware performance events support for Zhaoxin CPU.
2020-04-30 20:14:35 +02:00
powerflags.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
proc.c
x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
2020-01-13 18:36:02 +01:00
rdrand.c
x86/rdrand: Sanity-check RDRAND output
2019-10-01 19:55:32 +02:00
scattered.c
x86/mm/pat: Rename <asm/pat.h> => <asm/memtype.h>
2019-12-10 10:12:55 +01:00
topology.c
x86/mm/pat: Rename <asm/pat.h> => <asm/memtype.h>
2019-12-10 10:12:55 +01:00
transmeta.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tsx.c
Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-01-28 12:46:42 -08:00
umc.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
umwait.c
KVM: VMX: Stop context switching MSR_IA32_UMWAIT_CONTROL
2020-06-22 20:54:57 -04:00
vmware.c
x86/vmware: Use bool type for vmw_sched_clock
2020-03-24 10:29:22 +01:00
zhaoxin.c
x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup
2020-06-15 14:18:37 +02:00