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

From: Catalin Marinas
Date: Thu May 31 2018 - 12:41:47 EST


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