Re: [PATCH 04/14] arm64: Add ARCH_WORKAROUND_2 probing

On 24/05/18 12:39, Will Deacon wrote: On Thu, May 24, 2018 at 10:58:43AM +0100, Suzuki K Poulose wrote: On 22/05/18 16:06, Marc Zyngier wrote: As for Spectre variant-2, we rely on SMCCC 1.1 to provide the discovery mechanism for detecting the SSBD mitigation. A new capability is also

Re: [PATCH 04/14] arm64: Add ARCH_WORKAROUND_2 probing

On Thu, May 24, 2018 at 10:58:43AM +0100, Suzuki K Poulose wrote: > On 22/05/18 16:06, Marc Zyngier wrote: > >As for Spectre variant-2, we rely on SMCCC 1.1 to provide the > >discovery mechanism for detecting the SSBD mitigation. > > > >A new capability is also allocated for that purpose, and a >

Re: [PATCH 04/14] arm64: Add ARCH_WORKAROUND_2 probing

On Tue, May 22, 2018 at 04:06:38PM +0100, Marc Zyngier wrote: > As for Spectre variant-2, we rely on SMCCC 1.1 to provide the > discovery mechanism for detecting the SSBD mitigation. > > A new capability is also allocated for that purpose, and a > config option. > > Signed-off-by: Marc Zyngier

Re: [PATCH 04/14] arm64: Add ARCH_WORKAROUND_2 probing

On 22/05/18 16:06, Marc Zyngier wrote: As for Spectre variant-2, we rely on SMCCC 1.1 to provide the discovery mechanism for detecting the SSBD mitigation. A new capability is also allocated for that purpose, and a config option. Signed-off-by: Marc Zyngier +static

Re: [PATCH 04/14] arm64: Add ARCH_WORKAROUND_2 probing

Hi Marc, On 05/22/2018 04:06 PM, Marc Zyngier wrote: As for Spectre variant-2, we rely on SMCCC 1.1 to provide the discovery mechanism for detecting the SSBD mitigation. A new capability is also allocated for that purpose, and a config option. Signed-off-by: Marc Zyngier

[PATCH 04/14] arm64: Add ARCH_WORKAROUND_2 probing

As for Spectre variant-2, we rely on SMCCC 1.1 to provide the discovery mechanism for detecting the SSBD mitigation. A new capability is also allocated for that purpose, and a config option. Signed-off-by: Marc Zyngier --- arch/arm64/Kconfig | 9 ++