Messages in this thread | | | Date | Mon, 5 Aug 2002 23:09:41 +0100 | From | Jamie Lokier <> | Subject | Re: context switch vs. signal delivery [was: Re: Accelerating user mode linux] |
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Andi Kleen wrote: > > 2: What happens when the user's signal handler decides it wants to save > > the FPU state itself (after all) and proceed with some FPU use. Will > > sigreturn restore the user-saved FPU state? Just curious. > > Nope it won't because there is no saved state. The previous context's FPU > state will be silently corrupted.
I meant if the user's signal handler decides it wants to save the FPU state directly into the signal context struct, after deciding to do that. Won't that work?
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