Messages in this thread |  | | | Date | Wed, 9 May 2012 18:22:36 +1000 | | Subject | Re: [PATCH v3 5/7] x86/tlb: remove comments for tlb_flush_range implement suggestion | | From | Nick Piggin <> |
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On 9 May 2012 00:03, Alex Shi <alex.shi@intel.com> wrote: > Thanks to this comments that inspired me using invlpg to replace cr3 > rewrite. > Now, it is time to remove from code to avoid reader confusing.
Nitpick, but this should just be folded into the patch which does the invlpg conversion.
> > Signed-off-by: Alex Shi <alex.shi@intel.com> > --- > arch/x86/include/asm/tlbflush.h | 4 ---- > 1 files changed, 0 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h > index ec30dfb..51f8b1c 100644 > --- a/arch/x86/include/asm/tlbflush.h > +++ b/arch/x86/include/asm/tlbflush.h > @@ -81,10 +81,6 @@ static inline void __flush_tlb_one(unsigned long addr) > * > * ..but the i386 has somewhat limited tlb flushing capabilities, > * and page-granular flushes are available only on i486 and up. > - * > - * x86-64 can only flush individual pages or full VMs. For a range flush > - * we always do the full VM. Might be worth trying if for a small > - * range a few INVLPGs in a row are a win. > */ > > #ifndef CONFIG_SMP > -- > 1.7.5.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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