linux-kernel - Re: [Q] L1_CACHE_BYTES on flush_pfn

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Message-ID: <20140124154321.GI19052@arm.com>
Date:	Fri, 24 Jan 2014 15:43:21 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	������ <js07.lee@...sung.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Q] L1_CACHE_BYTES on flush_pfn_alias function.

On Fri, Jan 17, 2014 at 09:54:42AM +0000, ������ wrote:
> Follow the mailing-list
> http://comments.gmane.org/gmane.linux.ports.arm.omap/31686
> 
> >>Setting the L1 cache line size larger than it actually is should be safe.
> 
> the written code expected as L1_CACHE_BYTES should be real cache line size
> has bug.
> It looks like that flush_pfn_alias function should be fixed.

Did you actually notice any problem with flushing some more bytes? It's
a clean+invalidate rather than invalidate, I don't see any problem.

-- 
Catalin
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