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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Christophe Leroy <christophe.leroy@csgroup.eu>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler
Date: Tue, 15 Dec 2020 21:48:58 +1100 (AEDT)	[thread overview]
Message-ID: <160802920955.504444.6903217720200398229.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <e796c5fcb5898de827c803cf1ab8ba1d7a5d4b76.1606231483.git.christophe.leroy@csgroup.eu>

On Tue, 24 Nov 2020 15:24:54 +0000 (UTC), Christophe Leroy wrote:
> Since commit e611939fc8ec ("powerpc/mm: Ensure change_page_attr()
> doesn't invalidate pinned TLBs"), pinned TLBs are not anymore
> invalidated by __kernel_map_pages() when CONFIG_DEBUG_PAGEALLOC is
> selected.
> 
> Remove the dependency on CONFIG_DEBUG_PAGEALLOC.

Applied to powerpc/next.

[1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler
      https://git.kernel.org/powerpc/c/613df979da6c032cbe6fa273fb8ca21af022157e
[2/6] powerpc/8xx: Always pin kernel text TLB
      https://git.kernel.org/powerpc/c/bccc58986a2f98e3af349c85c5f49aac7fb19ef2
[3/6] powerpc/8xx: Simplify INVALIDATE_ADJACENT_PAGES_CPU15
      https://git.kernel.org/powerpc/c/576e02bbf1062b9118d5bbb96a40ed3b6b359f22
[4/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception
      https://git.kernel.org/powerpc/c/a314ea5abf6dbaf35f14c9bd1d93105260fb9336
[5/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in DTLB miss exception
      https://git.kernel.org/powerpc/c/89eecd938cab80f0da18abbd2ed997a521f83f01
[6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR()
      https://git.kernel.org/powerpc/c/70b588a068668dd7a92ed19cf0373ba92847957c

cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Christophe Leroy <christophe.leroy@csgroup.eu>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler
Date: Tue, 15 Dec 2020 21:48:58 +1100 (AEDT)	[thread overview]
Message-ID: <160802920955.504444.6903217720200398229.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <e796c5fcb5898de827c803cf1ab8ba1d7a5d4b76.1606231483.git.christophe.leroy@csgroup.eu>

On Tue, 24 Nov 2020 15:24:54 +0000 (UTC), Christophe Leroy wrote:
> Since commit e611939fc8ec ("powerpc/mm: Ensure change_page_attr()
> doesn't invalidate pinned TLBs"), pinned TLBs are not anymore
> invalidated by __kernel_map_pages() when CONFIG_DEBUG_PAGEALLOC is
> selected.
> 
> Remove the dependency on CONFIG_DEBUG_PAGEALLOC.

Applied to powerpc/next.

[1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler
      https://git.kernel.org/powerpc/c/613df979da6c032cbe6fa273fb8ca21af022157e
[2/6] powerpc/8xx: Always pin kernel text TLB
      https://git.kernel.org/powerpc/c/bccc58986a2f98e3af349c85c5f49aac7fb19ef2
[3/6] powerpc/8xx: Simplify INVALIDATE_ADJACENT_PAGES_CPU15
      https://git.kernel.org/powerpc/c/576e02bbf1062b9118d5bbb96a40ed3b6b359f22
[4/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception
      https://git.kernel.org/powerpc/c/a314ea5abf6dbaf35f14c9bd1d93105260fb9336
[5/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in DTLB miss exception
      https://git.kernel.org/powerpc/c/89eecd938cab80f0da18abbd2ed997a521f83f01
[6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR()
      https://git.kernel.org/powerpc/c/70b588a068668dd7a92ed19cf0373ba92847957c

cheers

  parent reply	other threads:[~2020-12-15 10:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-24 15:24 [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler Christophe Leroy
2020-11-24 15:24 ` Christophe Leroy
2020-11-24 15:24 ` [PATCH v1 2/6] powerpc/8xx: Always pin kernel text TLB Christophe Leroy
2020-11-24 15:24   ` Christophe Leroy
2020-12-09 10:43   ` Michael Ellerman
2020-12-09 10:43     ` Michael Ellerman
2020-12-09 11:50     ` Christophe Leroy
2020-12-09 11:50       ` Christophe Leroy
2020-12-10  0:21       ` Michael Ellerman
2020-12-10  0:21         ` Michael Ellerman
2020-11-24 15:24 ` [PATCH v1 3/6] powerpc/8xx: Simplify INVALIDATE_ADJACENT_PAGES_CPU15 Christophe Leroy
2020-11-24 15:24   ` Christophe Leroy
2020-11-24 15:24 ` [PATCH v1 4/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception Christophe Leroy
2020-11-24 15:24   ` Christophe Leroy
2020-11-24 15:24 ` [PATCH v1 5/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in DTLB " Christophe Leroy
2020-11-24 15:24   ` Christophe Leroy
2020-11-24 15:24 ` [PATCH v1 6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR() Christophe Leroy
2020-11-24 15:24   ` Christophe Leroy
2020-12-15 10:48 ` Michael Ellerman [this message]
2020-12-15 10:48   ` [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler Michael Ellerman

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