Messages in this thread | | | Date | Thu, 23 Dec 2004 00:54:48 +0100 | From | Andi Kleen <> | Subject | Re: 2.6.10-rc3, i386: fpu handling on sigreturn |
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On Thu, Dec 23, 2004 at 12:49:39AM +0100, Bodo Stroesser wrote: > Andi Kleen wrote: > >Bodo Stroesser <bstroesser@fujitsu-siemens.com> writes: > > > >>Now, the interrupted processes fpu no longer is cleared! > > > > > >I agree it's a bug, although it's probably pretty obscure so people > >didn't notice it. The right fix would be to just clear_fpu again > >in this case. The problem has been in Linux forever. > Wouldn't it be better to also reset used_math to 0? (As it has been, > before the sighandler was started)
It would only be an optimization, and i doubt it's worth to optimize for such an obscure case.
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