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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: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	Joakim Tjernlund <joakim.tjernlund@transmode.se>
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


WARNING: multiple messages have this Message-ID (diff)
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

             reply	other threads:[~2015-04-20  5:54 UTC|newest]

Thread overview: 12+ 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 0/5] powerpc8xx: Further optimisation of TLB handling Christophe Leroy
2015-04-20  5:54 ` [PATCH RESEND v5 1/5] powerpc/8xx: macro for handling CPU15 errata Christophe Leroy
2015-04-20  5:54   ` 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   ` 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   ` 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   ` Christophe Leroy
2015-04-20  5:54 ` [PATCH RESEND v5 5/5] powerpc/8xx: Add support for TASK_SIZE greater than 0x80000000 Christophe Leroy
2015-04-20  5:54   ` Christophe Leroy

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