Re: [PATCH] selftests/powerpc: return skip code for spectre_v2

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