Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH v3] KVM: arm64: ARM_SMCCC_ARCH_WORKAROUND_1 doesn't return SMCCC_RET_NOT_REQUIRED | Date | Wed, 28 Oct 2020 15:12:36 +0000 |
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On Fri, 23 Oct 2020 08:47:50 -0700, Stephen Boyd wrote: > According to the SMCCC spec[1](7.5.2 Discovery) the > ARM_SMCCC_ARCH_WORKAROUND_1 function id only returns 0, 1, and > SMCCC_RET_NOT_SUPPORTED. > > 0 is "workaround required and safe to call this function" > 1 is "workaround not required but safe to call this function" > SMCCC_RET_NOT_SUPPORTED is "might be vulnerable or might not be, who knows, I give up!" > > [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] KVM: arm64: ARM_SMCCC_ARCH_WORKAROUND_1 doesn't return SMCCC_RET_NOT_REQUIRED https://git.kernel.org/arm64/c/1de111b51b82
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
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