linux-kernel - Re: [PATCH 1/4] powerpc/64: flush_inval_dcache_range() becomes flush_dcache

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Message-Id: <45hnfq75mmz9sNF@ozlabs.org>
Date:   Mon,  8 Jul 2019 11:19:31 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Oliver O'Halloran <oohall@...il.com>,
        Segher Boessenkool <segher@...nel.crashing.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] powerpc/64: flush_inval_dcache_range() becomes flush_dcache_range()

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@....fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/1cfb725fb1899dc6fdc88f8b5354a65e8ad260c6

cheers