diff options
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9795b59aa28a..9fd4a8ccce07 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1128,6 +1128,7 @@ endmenu config ARM64_SVE bool "ARM Scalable Vector Extension support" default y + depends on !KVM || ARM64_VHE help The Scalable Vector Extension (SVE) is an extension to the AArch64 execution state which complements and extends the SIMD functionality @@ -1153,6 +1154,12 @@ config ARM64_SVE booting the kernel. If unsure and you are not observing these symptoms, you should assume that it is safe to say Y. + CPUs that support SVE are architecturally required to support the + Virtualization Host Extensions (VHE), so the kernel makes no + provision for supporting SVE alongside KVM without VHE enabled. + Thus, you will need to enable CONFIG_ARM64_VHE if you want to support + KVM in the same kernel image. + config ARM64_MODULE_PLTS bool select HAVE_MOD_ARCH_SPECIFIC |