linux-kernel - Re: [PATCH 3/6] powerpc: Convert flush_icache

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Message-ID: <b6c76696-8b00-b35b-934a-5e6eb2e997c3@c-s.fr>
Date:   Fri, 16 Aug 2019 17:57:20 +0200
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Alastair D'Silva <alastair@....ibm.com>, alastair@...ilva.org
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Gleixner <tglx@...utronix.de>, Qian Cai <cai@....pw>,
        Nicholas Piggin <npiggin@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Allison Randal <allison@...utok.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Michal Hocko <mhocko@...e.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] powerpc: Convert flush_icache_range & friends to C



Le 15/08/2019 à 09:29, christophe leroy a écrit :
> 
> 
> Le 15/08/2019 à 06:10, Alastair D'Silva a écrit :
>> From: Alastair D'Silva <alastair@...ilva.org>
>>
>> Similar to commit 22e9c88d486a
>> ("powerpc/64: reuse PPC32 static inline flush_dcache_range()")
>> this patch converts flush_icache_range() to C, and reimplements the
>> following functions as wrappers around it:
>> __flush_dcache_icache
>> __flush_dcache_icache_phys
> 
> Not sure you can do that for __flush_dcache_icache_phys(), see detailed 
> comments below
> 

I just sent you an RFC patch that could be the way to convert 
__flush_dcache_icache_phys() to C.

Feel free to modify it as wished and include it in your series.

Christophe