Messages in this thread | | | Date | Fri, 12 Jun 2009 09:08:52 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH 0/5] x86/paravirt: clean up paravirt.h and optimise FPU context switch |
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On 06/12/09 05:37, Ingo Molnar wrote: > * 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? >
Oh, yep:
The following changes since commit 588aa5f175154e2b15565fda4c21741c1c1d25a8: Ingo Molnar (1): Merge branch 'kmemcheck'
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git x86/paravirt
Jeremy Fitzhardinge (5): x86/paravirt: split paravirt definitions into paravirt_types.h x86: split out core __math_state_restore x86-32: make sure clts is batched during context switch x86-64: move unlazy_fpu() into lazy cpu state part of context switch x86-64: move clts into batch cpu state updates when preloading fpu
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(-) create mode 100644 arch/x86/include/asm/paravirt_types.h
J
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