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arm64: Add ARM64_HAS_VIRT_HOST_EXTN feature

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Add a new ARM64_HAS_VIRT_HOST_EXTN features to indicate that the
CPU has the ARMv8.1 VHE capability.

This will be used to trigger kernel patching in KVM.

Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Marc Zyngier
2015-01-29 11:24:05 +00:00
parent f81f03fa23
commit d88701bea3
2 changed files with 16 additions and 1 deletions
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6
arch/arm64/include/asm/cpufeature.h
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@@ -30,8 +30,12 @@
#define ARM64_HAS_LSE_ATOMICS 5
#define ARM64_WORKAROUND_CAVIUM_23154 6
#define ARM64_WORKAROUND_834220 7
/* #define ARM64_HAS_NO_HW_PREFETCH 8 */
/* #define ARM64_HAS_UAO 9 */
/* #define ARM64_ALT_PAN_NOT_UAO 10 */
#define ARM64_HAS_VIRT_HOST_EXTN 11
#define ARM64_NCAPS 8
#define ARM64_NCAPS 12
#ifndef __ASSEMBLY__