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linux-stable/arch/x86/kernel
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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
..
acpi mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
apic The biggest change is the removal of SGI UV1 support, which allowed the 2020-08-03 17:38:43 -07:00
cpu x86/acrn: Allow ACRN guest to use X2APIC mode 2020-08-07 01:32:00 +02:00
fpu Linux 5.8-rc7 2020-07-28 13:18:01 +02:00
kprobes Merge branch 'perf/vlbr' 2020-07-02 15:51:48 +02:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
alternative.c The conversion of X86 syscall, interrupt and exception entry/exit handling 2020-08-04 21:05:46 -07:00
amd_gart_64.c docs: fix references for DMA*.txt files 2020-06-26 10:01:32 -06:00
amd_nb.c x86/amd_nb: Add AMD family 17h model 60h PCI IDs 2020-05-22 18:24:40 +02:00
apb_timer.c x86/apb_timer: Drop unused TSC calibration 2020-05-27 13:05:59 +02:00
aperture_64.c
apm_32.c
asm-offsets.c efi/x86: Avoid using code32_start 2020-03-08 09:58:17 +01:00
asm-offsets_32.c x86 entry code updates: 2020-03-30 19:14:28 -07:00
asm-offsets_64.c x86/entry: Remove DBn stacks 2020-06-11 15:15:23 +02:00
audit_64.c x86/audit: Fix a -Wmissing-prototypes warning for ia32_classify_syscall() 2020-05-19 18:03:07 +02:00
bootflag.c
check.c
cpuid.c
crash.c x86/crash: Use resource_size() 2020-01-09 14:40:03 +01:00
crash_core_32.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
crash_core_64.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
crash_dump_32.c
crash_dump_64.c fs/core/vmcore: Move sev_active() reference to x86 arch code 2019-08-09 22:52:10 +10:00
devicetree.c
doublefault_32.c x86/entry: Convert double fault exception to IDTENTRY_DF 2020-06-11 15:15:03 +02:00
dumpstack.c Improve x86 debuggability: print registers with the same log level as the backtrace. 2020-08-03 17:00:00 -07:00
dumpstack_32.c x86/32: Remove CONFIG_DOUBLEFAULT 2020-04-14 14:24:05 +02:00
dumpstack_64.c x86/entry: Remove DBn stacks 2020-06-11 15:15:23 +02:00
e820.c Rebase locking/kcsan to locking/urgent 2020-06-11 20:02:46 +02:00
early-quirks.c x86/gpu: add RKL stolen memory support 2020-05-20 08:35:22 -07:00
early_printk.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
ebda.c
eisa.c
espfix_64.c mm: introduce include/linux/pgtable.h 2020-06-09 09:39:13 -07:00
ftrace.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
ftrace_32.S x86: Change {JMP,CALL}_NOSPEC argument 2020-04-30 20:14:34 +02:00
ftrace_64.S x86/entry/64: Move non entry code into .text section 2020-06-11 15:14:37 +02:00
head32.c
head64.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
head_32.S x86/boot: Remove KEEP_SEGMENTS support 2020-02-22 23:37:37 +01:00
head_64.S x86/entry: Remove the apic/BUILD interrupt leftovers 2020-06-11 15:15:16 +02:00
hpet.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
hw_breakpoint.c x86/entry: Optimize local_db_save() for virt 2020-06-11 15:15:22 +02:00
i8237.c
i8253.c x86/timer: Skip PIT initialization on modern chipsets 2019-06-29 11:35:35 +02:00
i8259.c x86/i8259: Use printk_deferred() to prevent deadlock 2020-07-29 16:27:16 +02:00
idt.c x86/idt: Make idt_descr static 2020-06-20 11:47:35 +02:00
ima_arch.c EFI updates for v5.7: 2020-02-26 15:21:22 +01:00
io_delay.c
ioport.c x86/ioperm: Prevent a memory leak when fork fails 2020-05-28 21:36:20 +02:00
irq.c x86/entry: Convert KVM vectors to IDTENTRY_SYSVEC* 2020-06-11 15:15:15 +02:00
irq_32.c x86/irq: Rework handle_irq() for 64-bit 2020-06-11 15:15:12 +02:00
irq_64.c x86/entry/64: Move do_softirq_own_stack() to C 2020-06-11 15:15:07 +02:00
irq_work.c x86/entry: Convert various system vectors 2020-06-11 15:15:14 +02:00
irqflags.S x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_* 2019-10-18 11:58:33 +02:00
irqinit.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
itmt.c sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
jailhouse.c x86/jailhouse: Only enable platform UARTs if available 2019-10-10 15:43:59 +02:00
jump_label.c x86/jump_label: Move 'inline' keyword placement 2020-03-27 11:05:41 +01:00
kdebugfs.c x86/boot: Introduce setup_indirect 2019-11-12 16:21:15 +01:00
kexec-bzimage64.c x86/efi: Remove references to no-longer-used efi_have_uv1_memmap() 2020-07-17 16:47:47 +02:00
kgdb.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
ksysfs.c x86/boot: Introduce setup_indirect 2019-11-12 16:21:15 +01:00
kvm.c x86/entry: Cleanup idtentry_enter/exit 2020-07-24 15:05:01 +02:00
kvmclock.c x86/vdso: Use generic VDSO clock mode storage 2020-02-17 14:40:23 +01:00
ldt.c x86/ldt: use "pr_info_once()" instead of open-coding it badly 2020-07-05 12:50:20 -07:00
machine_kexec_32.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
machine_kexec_64.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
Makefile Rebase locking/kcsan to locking/urgent 2020-06-11 20:02:46 +02:00
mmconf-fam10h_64.c
module.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
mpparse.c x86/boot: Fix memory leak in default_get_smp_config() 2019-07-16 23:13:48 +02:00
msr.c x86/msr: Filter MSR writes 2020-06-25 10:39:02 +02:00
nmi.c x86/entry: Fix NMI vs IRQ state tracking 2020-07-10 12:00:01 +02:00
nmi_selftest.c
paravirt-spinlocks.c
paravirt.c x86/ioperm: Fix io bitmap invalidation on Xen PV 2020-07-18 12:31:49 +02:00
paravirt_patch.c
pci-dma.c dma-mapping updates for 5.5-rc1 2019-11-28 11:16:43 -08:00
pci-iommu_table.c
pci-swiotlb.c dma-mapping: fix filename references 2019-09-03 08:36:30 +02:00
pcspeaker.c
perf_regs.c
platform-quirks.c
pmem.c
probe_roms.c maccess: make get_kernel_nofault() check for minimal type compatibility 2020-06-18 12:10:37 -07:00
process.c Support for FSGSBASE. Almost 5 years after the first RFC to support it, 2020-08-04 21:16:22 -07:00
process.h x86: Use the correct SPDX License Identifier in headers 2019-10-01 20:31:35 +02:00
process_32.c x86/dumpstack: Add log_lvl to __show_regs() 2020-07-22 23:56:53 +02:00
process_64.c Support for FSGSBASE. Almost 5 years after the first RFC to support it, 2020-08-04 21:16:22 -07:00
ptrace.c x86/ptrace: Fix 32-bit PTRACE_SETREGS vs fsbase and gsbase 2020-07-01 15:27:20 +02:00
pvclock.c x86/vdso: Use generic VDSO clock mode storage 2020-02-17 14:40:23 +01:00
quirks.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
reboot.c A set of fixes and updates for x86: 2020-06-11 15:54:31 -07:00
reboot_fixups_32.c
relocate_kernel_32.S x86/asm: Annotate relocate_kernel_{32,64}.c 2019-10-18 09:53:19 +02:00
relocate_kernel_64.S x86/kexec: Make relocate_kernel_64.S objtool clean 2020-03-25 18:28:28 +01:00
resource.c
rtc.c
setup.c x86/setup: Add an initrdmem= option to specify initrd physical address 2020-04-27 09:28:16 +02:00
setup_percpu.c x86/mm: remove vmalloc faulting 2020-06-02 10:59:12 -07:00
signal.c x86/entry: Use generic syscall exit functionality 2020-07-24 15:04:59 +02:00
signal_compat.c
smp.c x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE 2020-06-11 15:15:16 +02:00
smpboot.c Misc changes: 2020-08-03 17:08:02 -07:00
stacktrace.c x86/stacktrace: Fix reliable check for empty user task stacks 2020-07-22 23:47:47 +02:00
step.c
sys_ia32.c fork: fold legacy_clone_args_valid() into _do_fork() 2020-06-22 14:38:38 +02:00
sys_x86_64.c x86: Remove unneeded includes 2020-03-21 16:03:25 +01:00
sysfb.c
sysfb_efi.c x86/sysfb_efi: Add quirks for some devices with swapped width and height 2019-07-22 10:47:11 +02:00
sysfb_simplefb.c x86/sysfb: Fix check for bad VRAM size 2020-01-20 10:57:53 +01:00
tboot.c mmap locking API: add MMAP_LOCK_INITIALIZER 2020-06-09 09:39:14 -07:00
time.c A set of fixes and updates for x86: 2020-06-11 15:54:31 -07:00
tls.c x86/tls: Fix possible spectre-v1 in do_get_thread_area() 2019-06-27 23:48:04 +02:00
tls.h
topology.c x86/smp: Replace cpu_up/down() with add/remove_cpu() 2020-03-25 12:59:35 +01:00
trace_clock.c
tracepoint.c x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE 2020-06-11 15:15:16 +02:00
traps.c Merge branch 'locking/nmi' into x86/entry 2020-07-26 18:26:25 +02:00
tsc.c x86/tsc: Add tsc_early_khz command line parameter 2020-05-21 23:07:00 +02:00
tsc_msr.c x86 timer updates: 2020-03-30 19:55:39 -07:00
tsc_sync.c x86: Fix a handful of typos 2020-02-16 20:58:06 +01:00
umip.c x86/umip: Make umip_insns static 2020-04-15 11:13:12 +02:00
unwind_frame.c fork-v5.9 2020-08-04 14:47:45 -07:00
unwind_guess.c
unwind_orc.c x86/unwind/orc: Fix ORC for newly forked tasks 2020-07-22 23:47:47 +02:00
uprobes.c x86/apic, x86/uprobes: Correct parameter names in kernel-doc comments 2019-10-27 09:00:28 +01:00
verify_cpu.S x86/asm: Annotate local pseudo-functions 2019-10-18 10:04:04 +02:00
vm86_32.c mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
vmlinux.lds.S x86, vmlinux.lds: Page-align end of ..page_aligned sections 2020-07-22 09:38:37 +02:00
vsmp_64.c
x86_init.c x86/kvm: Handle async page faults directly through do_page_fault() 2020-05-19 15:53:57 +02:00