Messages in this thread | | | Date | Fri, 12 Jun 2009 14:37:53 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/5] x86/paravirt: clean up paravirt.h and optimise FPU context switch |
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* Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> Hi Ingo, > > This series: > - splits asm/paravirt.h into paravirt.h and paravirt_types.h > - splits out the context switch core of math_state_restore into __math_state_restore > - rearranges 32 and 64 bit context switch to be the same and to properly > batch FPU context switches when running paravirtualized > > There should be no performance side-effects of these changes. They amount > to a small rearrangement of the existing code (and bringing the 64-bit > code a bit closer to 32-bit, countering some genetic drift). > > I think these are probably safe to go into this merge window, but I > don't think I've posted these before, so I understand if you're hesitant > (I've had them applied locally for some time with no ill-effects). > The paravirt cleanup is pure movement between headers, so I don't think > there's much risk there at all. > > arch/x86/include/asm/i387.h | 1 + > arch/x86/include/asm/paravirt.h | 711 +-------------------------------- > arch/x86/include/asm/paravirt_types.h | 720 +++++++++++++++++++++++++++++++++ > arch/x86/kernel/process_32.c | 27 +- > arch/x86/kernel/process_64.c | 33 +- > arch/x86/kernel/traps.c | 33 +- > 6 files changed, 782 insertions(+), 743 deletions(-)
hm, no Git pull coordinates - but you have this in a Git tree, right?
Ingo
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