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From: Franck Bui-Huu <vagabon.xyz@gmail.com>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: linux-mips@linux-mips.org
Subject: Re: flush_kernel_dcache_page() not needed ?
Date: Fri, 14 Sep 2007 17:47:45 +0200	[thread overview]
Message-ID: <46EAAD21.3090403@gmail.com> (raw)
In-Reply-To: <20070914.232915.41199290.anemo@mba.ocn.ne.jp>

Atsushi Nemoto wrote:
> On Fri, 14 Sep 2007 10:32:48 +0200, Franck Bui-Huu <vagabon.xyz@gmail.com> wrote:
>> BTW, flush_cache_mm() flushes (write back + invalidate ) the whole
>> data cache unconditionnaly, but I'm wondering if it's really necessary
>> for cpus which don't have any cache aliasing issues. After all they're
>> equivalent to physical caches, aren't they ?
> 
> r4k_flush_cache_mm() returns immediately if !cpu_has_dc_aliases.
> 

oops you're right, I was actually looking at local_r4k_flush_cache_mm().

thanks,
		Franck

      reply	other threads:[~2007-09-14 15:49 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-31 12:25 flush_kernel_dcache_page() not needed ? Franck Bui-Huu
2007-08-31 14:50 ` Markus Gothe
2007-08-31 15:04   ` Franck Bui-Huu
2007-08-31 23:42   ` Ralf Baechle
2007-09-02 21:12     ` Markus Gothe
2007-08-31 14:54 ` Markus Gothe
2007-09-03 13:52 ` Atsushi Nemoto
2007-09-03 15:36   ` Franck Bui-Huu
2007-09-03 15:54     ` Atsushi Nemoto
2007-09-04 12:46       ` Franck Bui-Huu
2007-09-04 13:54         ` Atsushi Nemoto
2007-09-04 14:05           ` Franck Bui-Huu
2007-09-04 14:16             ` Atsushi Nemoto
2007-09-04 14:17               ` Franck Bui-Huu
2007-09-05 15:33         ` Atsushi Nemoto
2007-09-07  9:00           ` Franck Bui-Huu
2007-09-14  8:32           ` Franck Bui-Huu
2007-09-14 14:29             ` Atsushi Nemoto
2007-09-14 15:47               ` Franck Bui-Huu [this message]

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