Re: [PATCH] x86emul: further FPU env testing relaxation for AMD-like CPUs

2020-08-04 Thread Jan Beulich
On 04.08.2020 16:46, Andrew Cooper wrote: > On 04/08/2020 10:36, Jan Beulich wrote: >> See the code comment that's being extended. Additionally a few more >> zap_fpsel() invocations are needed - whenever we stored state after >> there potentially having been a context switch behind our backs. >> >>

Re: [PATCH] x86emul: further FPU env testing relaxation for AMD-like CPUs

2020-08-04 Thread Andrew Cooper
On 04/08/2020 10:36, Jan Beulich wrote: > See the code comment that's being extended. Additionally a few more > zap_fpsel() invocations are needed - whenever we stored state after > there potentially having been a context switch behind our backs. > > Reported-by: Andrew Cooper > Signed-off-by: Jan

[PATCH] x86emul: further FPU env testing relaxation for AMD-like CPUs

2020-08-04 Thread Jan Beulich
See the code comment that's being extended. Additionally a few more zap_fpsel() invocations are needed - whenever we stored state after there potentially having been a context switch behind our backs. Reported-by: Andrew Cooper Signed-off-by: Jan Beulich --- a/tools/tests/x86_emulator/test_x86_