From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Christophe Leroy <christophe.leroy@c-s•fr>,
Benjamin Herrenschmidt <benh@kernel•crashing.org>,
Paul Mackerras <paulus@samba•org>,
Oliver O'Halloran <oohall@gmail•com>,
Segher Boessenkool <segher@kernel•crashing.org>
Cc: linuxppc-dev@lists•ozlabs.org, linux-kernel@vger•kernel.org
Subject: Re: [PATCH 1/4] powerpc/64: flush_inval_dcache_range() becomes flush_dcache_range()
Date: Mon, 8 Jul 2019 11:19:31 +1000 (AEST) [thread overview]
Message-ID: <45hnfq75mmz9sNF@ozlabs.org> (raw)
In-Reply-To: <239d1c8f15b8bedc161a234f9f1a22a07160dbdf.1557824379.git.christophe.leroy@c-s.fr>
On Tue, 2019-05-14 at 09:05:13 UTC, Christophe Leroy wrote:
> On most arches having function flush_dcache_range(), including PPC32,
> this function does a writeback and invalidation of the cache bloc.
>
> On PPC64, flush_dcache_range() only does a writeback while
> flush_inval_dcache_range() does the invalidation in addition.
>
> In addition it looks like within arch/powerpc/, there are no PPC64
> platforms using flush_dcache_range()
>
> This patch drops the existing 64 bits version of flush_dcache_range()
> and renames flush_inval_dcache_range() into flush_dcache_range().
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s•fr>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/1cfb725fb1899dc6fdc88f8b5354a65e8ad260c6
cheers
prev parent reply other threads:[~2019-07-08 1:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-14 9:05 [PATCH 1/4] powerpc/64: flush_inval_dcache_range() becomes flush_dcache_range() Christophe Leroy
2019-05-14 9:05 ` [PATCH 2/4] powerpc/32: activate ARCH_HAS_PMEM_API and ARCH_HAS_UACCESS_FLUSHCACHE Christophe Leroy
2019-07-15 6:49 ` Michael Ellerman
2019-07-15 7:02 ` Oliver O'Halloran
2019-07-15 17:03 ` Christophe Leroy
2019-05-14 9:05 ` [PATCH 3/4] powerpc/32: define helpers to get L1 cache sizes Christophe Leroy
2019-07-08 1:19 ` Michael Ellerman
2019-05-14 9:05 ` [PATCH 4/4] powerpc/64: reuse PPC32 static inline flush_dcache_range() Christophe Leroy
2019-07-08 1:19 ` Michael Ellerman
2019-07-08 14:21 ` Aneesh Kumar K.V
2019-07-09 2:20 ` Oliver O'Halloran
2019-07-09 2:51 ` Aneesh Kumar K.V
2019-07-09 5:29 ` Oliver O'Halloran
2019-07-09 17:04 ` Segher Boessenkool
2019-08-08 6:53 ` powerpc flush_inval_dcache_range() was buggy until v5.3-rc1 (was Re: [PATCH 4/4] powerpc/64: reuse PPC32 static inline flush_dcache_range()) Michael Ellerman
2019-07-08 1:19 ` Michael Ellerman [this message]
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