linux/arch/x86
Sean Christopherson 95145c25a7 KVM: x86: Add a WARN on TIF_NEED_FPU_LOAD in kvm_load_guest_fpu()
WARN once in kvm_load_guest_fpu() if TIF_NEED_FPU_LOAD is observed, as
that would mean that KVM is corrupting userspace's FPU by saving
unknown register state into arch.user_fpu.  Add a comment to explain
why KVM WARNs on TIF_NEED_FPU_LOAD instead of implementing logic
similar to fpu__copy().

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-08 18:16:02 +01:00
..
boot x86/boot: kbuild: allow readelf executable to be specified 2019-12-14 15:53:04 +09:00
configs x86: Remove the calgary IOMMU driver 2019-11-15 10:36:59 +01:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-12-02 17:23:21 -08:00
entry Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-12-01 19:05:07 -08:00
events perf/x86/intel: Fix PT PMI handling 2019-12-17 13:32:46 +01:00
hyperv - Support for new VMBus protocols (Andrea Parri). 2019-11-30 14:50:51 -08:00
ia32 syscalls/x86: Use COMPAT_SYSCALL_DEFINE0 for IA32 (rt_)sigreturn 2019-10-11 12:49:18 +02:00
include KVM: VMX: Fix the spelling of CPU_BASED_USE_TSC_OFFSETTING 2020-01-08 18:15:59 +01:00
kernel Merge branch 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-12-21 06:04:12 -08:00
kvm KVM: x86: Add a WARN on TIF_NEED_FPU_LOAD in kvm_load_guest_fpu() 2020-01-08 18:16:02 +01:00
lib perf/core improvements and fixes: 2019-11-29 06:56:05 +01:00
math-emu Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 10:42:40 -08:00
mm mm/memory_hotplug: shrink zones when offlining memory 2020-01-04 13:55:08 -08:00
net bpf: Simplify __bpf_arch_text_poke poke type handling 2019-11-24 17:12:11 -08:00
oprofile x86: Use pr_warn instead of pr_warning 2019-10-18 15:00:18 +02:00
pci pci-v5.5-changes 2019-12-03 13:58:22 -08:00
platform x86/efi: Update e820 with reserved EFI boot services data to fix kexec breakage 2019-12-04 11:15:30 +01:00
power x86/asm/32: Change all ENTRY+ENDPROC to SYM_FUNC_* 2019-10-18 12:03:43 +02:00
purgatory Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 10:42:40 -08:00
ras RAS/CEC: Add CONFIG_RAS_CEC_DEBUG and move CEC debug features there 2019-06-08 17:39:24 +02:00
realmode Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 10:42:40 -08:00
tools x86/insn: Fix awk regexp warnings 2019-10-01 12:13:16 +02:00
um y2038: syscall implementation cleanups 2019-12-01 14:00:59 -08:00
video
xen Merge branch 'x86-iopl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 11:12:02 -08:00
.gitignore
Kbuild treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kconfig x86/kasan: support KASAN_VMALLOC 2019-12-01 12:59:06 -08:00
Kconfig.cpu x86/math-emu: Limit MATH_EMULATION to 486SX compatibles 2019-10-03 10:51:17 +02:00
Kconfig.debug x86/traps: Disentangle the 32-bit and 64-bit doublefault code 2019-11-26 21:53:34 +01:00
Makefile x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning 2019-08-28 17:31:31 +02:00
Makefile_32.cpu x86/math-emu: Limit MATH_EMULATION to 486SX compatibles 2019-10-03 10:51:17 +02:00
Makefile.um