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From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Alastair D'Silva <alastair@au1.ibm.com>, alastair@d-silva.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Thomas Gleixner <tglx@linutronix.de>, Qian Cai <cai@lca.pw>,
	Nicholas Piggin <npiggin@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Allison Randal <allison@lohutok.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@redhat.com>,
	Michal Hocko <mhocko@suse.com>,
	Mike Rapoport <rppt@linux.vnet.ibm.com>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/6] powerpc: Convert flush_icache_range & friends to C
Date: Fri, 16 Aug 2019 17:57:20 +0200	[thread overview]
Message-ID: <b6c76696-8b00-b35b-934a-5e6eb2e997c3@c-s.fr> (raw)
In-Reply-To: <8a86bccf-ae4d-6d2c-72b1-db136cec9d10@c-s.fr>



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@d-silva.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

  parent reply	other threads:[~2019-08-16 15:57 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15  4:10 [PATCH 0/6] powerpc: convert cache asm to C Alastair D'Silva
2019-08-15  4:10 ` [PATCH 1/6] powerpc: Allow flush_icache_range to work across ranges >4GB Alastair D'Silva
2019-08-15  4:10 ` [PATCH 2/6] powerpc: define helpers to get L1 icache sizes Alastair D'Silva
2019-08-15  4:10 ` [PATCH 3/6] powerpc: Convert flush_icache_range & friends to C Alastair D'Silva
2019-08-15  7:29   ` christophe leroy
2019-08-16  1:44     ` Alastair D'Silva
2019-08-16 15:57     ` Christophe Leroy [this message]
2019-08-15  4:10 ` [PATCH 4/6] powerpc: Chunk calls to flush_dcache_range in arch_*_memory Alastair D'Silva
2019-08-15  6:54   ` Mike Rapoport
2019-08-15  7:36   ` christophe leroy
2019-08-16  1:45     ` Alastair D'Silva
2019-08-15  4:10 ` [PATCH 5/6] powerpc: Remove 'extern' from func prototypes in cache headers Alastair D'Silva
2019-08-15  4:10 ` [PATCH 6/6] powerpc: Don't flush caches when adding memory Alastair D'Silva

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