From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
scottwood@freescale.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH RESEND v5 0/5] powerpc8xx: Further optimisation of TLB handling
Date: Mon, 20 Apr 2015 07:54:36 +0200 (CEST) [thread overview]
Message-ID: <cover.1429287689.git.christophe.leroy@c-s.fr> (raw)
This patchset provides a further optimisation of TLB handling in the 8xx.
Changes are:
- Not saving registers like CR when not needed
- Adding support to any TASK_SIZE
Only the last patch of the set is changed compared to v4
Resending with proper From: this time.
Christophe Leroy (5):
powerpc/8xx: macro for handling CPU15 errata
powerpc/8xx: Handle CR out of exception PROLOG/EPILOG
powerpc/8xx: dont save CR in SCRATCH registers
powerpc/8xx: Use SPRG2 instead of DAR for saving r3
powerpc/8xx: Add support for TASK_SIZE greater than 0x80000000
arch/powerpc/kernel/head_8xx.S | 79 +++++++++++++++++++++++++++---------------
1 file changed, 51 insertions(+), 28 deletions(-)
--
2.1.0
next reply other threads:[~2015-04-20 5:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-20 5:54 Christophe Leroy [this message]
2015-04-20 5:54 ` [PATCH RESEND v5 1/5] powerpc/8xx: macro for handling CPU15 errata Christophe Leroy
2015-04-20 5:54 ` [PATCH RESEND v5 2/5] powerpc/8xx: Handle CR out of exception PROLOG/EPILOG Christophe Leroy
2015-04-20 5:54 ` [PATCH RESEND v5 3/5] powerpc/8xx: dont save CR in SCRATCH registers Christophe Leroy
2015-04-20 5:54 ` [PATCH RESEND v5 4/5] powerpc/8xx: Use SPRG2 instead of DAR for saving r3 Christophe Leroy
2015-04-20 5:54 ` [PATCH RESEND v5 5/5] powerpc/8xx: Add support for TASK_SIZE greater than 0x80000000 Christophe Leroy
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