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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-26 09:11:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-26 09:11:10 -0700
commit26a4ef7e481c9d70d2e0cf0be1ad37279fe0b6de (patch)
treea3ead18e1b812f4d73400f6fbdfc4053204d80bf /arch/x86/Kconfig
parent98ee795b21733a370bfdb3ba4359d2e31e6db514 (diff)
parent799de1baaf3509a54ff713efb768020f8defd709 (diff)
Merge tag 'x86_seves_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 AMD secure virtualization (SEV-ES) updates from Borislav Petkov: "Add support for SEV-ES guests booting through the 32-bit boot path, along with cleanups, fixes and improvements" * tag 'x86_seves_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sev-es: Optimize __sev_es_ist_enter() for better readability x86/sev-es: Replace open-coded hlt-loops with sev_es_terminate() x86/boot/compressed/64: Check SEV encryption in the 32-bit boot-path x86/boot/compressed/64: Add CPUID sanity check to 32-bit boot-path x86/boot/compressed/64: Add 32-bit boot #VC handler x86/boot/compressed/64: Setup IDT in startup_32 boot path x86/boot/compressed/64: Reload CS in startup_32 x86/sev: Do not require Hypervisor CPUID bit for SEV guests x86/boot/compressed/64: Cleanup exception handling before booting kernel x86/virtio: Have SEV guests enforce restricted virtio memory access x86/sev-es: Remove subtraction of res variable
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 107acc403b3b..4f30ad647ec5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1519,6 +1519,7 @@ config AMD_MEM_ENCRYPT
select ARCH_USE_MEMREMAP_PROT
select ARCH_HAS_FORCE_DMA_UNENCRYPTED
select INSTRUCTION_DECODER
+ select ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS
help
Say yes to enable support for the encryption of system memory.
This requires an AMD processor that supports Secure Memory