[PATCH] selftests/powerpc: return skip code for spectre_v2
Michael Ellerman
patch-notifications at ellerman.id.au
Sun Aug 2 23:34:59 AEST 2020
On Tue, 28 Jul 2020 12:50:39 -0300, Thadeu Lima de Souza Cascardo wrote:
> When running under older versions of qemu of under newer versions with old
> machine types, some security features will not be reported to the guest.
> This will lead the guest OS to consider itself Vulnerable to spectre_v2.
>
> So, spectre_v2 test fails in such cases when the host is mitigated and miss
> predictions cannot be detected as expected by the test.
>
> [...]
Applied to powerpc/next.
[1/1] selftests/powerpc: Return skip code for spectre_v2
https://git.kernel.org/powerpc/c/f3054ffd71b5afd44832b2207e6e90267e1cd2d1
cheers
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