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Groups > linux.kernel > #1234581
| From | Scott Wood <scottwood@freescale.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 13/25] powerpc/8xx: also use r3 in the ITLB miss in all situations |
| Date | 2015-09-29 02:10 +0200 |
| Message-ID | <qdQEy-6Iv-1@gated-at.bofh.it> (permalink) |
| References | <qbz57-2KT-3@gated-at.bofh.it> <qbz59-2KT-47@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Sep 22, 2015 at 06:50:54PM +0200, Christophe Leroy wrote: > We are spending between 40 and 160 cycles with a mean of 65 cycles > in the TLB handling routines (measured with mftbl) so make it more > simple althought it adds one instruction > > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > --- > No change in v2 > > arch/powerpc/kernel/head_8xx.S | 15 ++++----------- > 1 file changed, 4 insertions(+), 11 deletions(-) Why is this a separate patch from 1/25? Same comments as on that patch. -Scott -- 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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[PATCH v2 13/25] powerpc/8xx: also use r3 in the ITLB miss in all situations Christophe Leroy <christophe.leroy@c-s.fr> - 2015-09-22 19:00 +0200 Re: [PATCH v2 13/25] powerpc/8xx: also use r3 in the ITLB miss in all situations Scott Wood <scottwood@freescale.com> - 2015-09-29 02:10 +0200
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