Re: [PATCH] target/i386: Check CR0.TS before enter_mmx
Thanks Paolo! On Fri, Jul 14, 2023 at 7:28 AM Paolo Bonzini wrote: > > Queued, thanks. > > Paolo >
Re: [PATCH] target/i386: Check CR0.TS before enter_mmx
Queued, thanks. Paolo
[PATCH] target/i386: Check CR0.TS before enter_mmx
When CR0.TS=1, execution of x87 FPU, MMX, and some SSE instructions will cause a Device Not Available (DNA) exception (#NM). System software uses this exception event to lazily context switch FPU state. Before this patch, enter_mmx helpers may be generated just before #NM generation, prematurely