Re: [PATCH v2 00/17] arm64 SSBD (aka Spectre-v4) mitigation

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On Tue, May 29, 2018 at 01:11:04PM +0100, Marc Zyngier wrote:
> Marc Zyngier (17):
>   arm/arm64: smccc: Add SMCCC-specific return codes
>   arm64: Call ARCH_WORKAROUND_2 on transitions between EL0 and EL1
>   arm64: Add per-cpu infrastructure to call ARCH_WORKAROUND_2
>   arm64: Add ARCH_WORKAROUND_2 probing
>   arm64: Add 'ssbd' command-line option
>   arm64: ssbd: Add global mitigation state accessor
>   arm64: ssbd: Skip apply_ssbd if not using dynamic mitigation
>   arm64: ssbd: Restore mitigation status on CPU resume
>   arm64: ssbd: Introduce thread flag to control userspace mitigation
>   arm64: ssbd: Add prctl interface for per-thread mitigation
>   arm64: KVM: Add HYP per-cpu accessors
>   arm64: KVM: Add ARCH_WORKAROUND_2 support for guests
>   arm64: KVM: Handle guest's ARCH_WORKAROUND_2 requests
>   arm64: KVM: Add ARCH_WORKAROUND_2 discovery through
>     ARCH_FEATURES_FUNC_ID

I queued the 14 patches above for 4.18.

>   arm64: Add test_and_clear_flag and set_flag atomic assembler
>     primitives
>   arm64: ssbd: Enable delayed setting of TIF_SSBD
>   arm64: ssbd: Implement arch_seccomp_spec_mitigate

Thanks.

-- 
Catalin
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