Re: [Xen-devel] [PATCH for-4.13] x86/cpuid: Fix Lisbon/Magny-Cours Opterons WRT SSSE3/SSE4A

2019-11-19 Thread Jan Beulich
On 19.11.2019 18:00, Andrew Cooper wrote: > c/s ff66ccefe5 "x86/CPUID: adjust SSEn dependencies" made SSE4A depend on > SSSE3, but these processors really do have have SSE4A without SSSE3. > > This manifests as an upgrade regression, as the SSE4A feature disappears from > view. > > Adjust the

Re: [Xen-devel] [PATCH for-4.13] x86/cpuid: Fix Lisbon/Magny-Cours Opterons WRT SSSE3/SSE4A

2019-11-19 Thread Jürgen Groß
On 19.11.19 18:00, Andrew Cooper wrote: c/s ff66ccefe5 "x86/CPUID: adjust SSEn dependencies" made SSE4A depend on SSSE3, but these processors really do have have SSE4A without SSSE3. This manifests as an upgrade regression, as the SSE4A feature disappears from view. Adjust the SSE4A feature to

[Xen-devel] [PATCH for-4.13] x86/cpuid: Fix Lisbon/Magny-Cours Opterons WRT SSSE3/SSE4A

2019-11-19 Thread Andrew Cooper
c/s ff66ccefe5 "x86/CPUID: adjust SSEn dependencies" made SSE4A depend on SSSE3, but these processors really do have have SSE4A without SSSE3. This manifests as an upgrade regression, as the SSE4A feature disappears from view. Adjust the SSE4A feature to depend on SSE3 rather than SSSE3.