Messages in this thread | | | Date | Fri, 26 Jul 2013 14:36:51 -0700 | Subject | Re: [tip:x86/urgent] x86, fpu: correct the asm constraints for fxsave , unbreak mxcsr.daz | From | Linus Torvalds <> |
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On Fri, Jul 26, 2013 at 1:19 PM, H. Peter Anvin <hpa@zytor.com> wrote: > > The bug is obvious; the fix at the very least *should* be obvious; the > main source of risk would appear that it might trigger bugs in very old > versions of gcc.
I used to be worried about "+m", but we're using it a lot these days, and don't support the (really old) versions of gcc that used to have trouble with in-out constraints. So the fix looks obvious and safe, no worries from me.
Linus
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