linux-kernel - Re: [3.13-rc regression] Unbreak Loongson2 and r4k-generic flush icache range

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Message-ID: <oriotmopal.fsf@livre.home>
Date:	Tue, 14 Jan 2014 08:01:22 -0200
From:	Alexandre Oliva <oliva@....org>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [3.13-rc regression] Unbreak Loongson2 and r4k-generic flush icache range

On Jan 13, 2014, Sergei Shtylyov <sergei.shtylyov@...entembedded.com> wrote:

> Hello.

>> Commit 14bd8c08, that replaced Loongson2-specific ifdefs with cpu tests,
>> inverted the CPU test in local_r4k_flush_icache_range.  Loongson2 won't
>> boot up using the generic icache flush code.  Presumably other CPUs
>> might face other problems when presented with Loongson2-specific icache
>> flush code too.  This patch enabled my Yeeloong to boot up successfully
>> a 3.13-rc kernel for the first time, after a long git bisect session.

>> Signed-off-by: Alexandre Oliva <lxoliva@...la.org>

>    Fix for this issue has been posted long ago:

> http://marc.info/?l=linux-mips&m=138575576803890

Thanks.  As long ago as that was, I still don't see it in Torvalds's
master branch.  Was a pull request including this patch ever send his
way?  Such a trivial fix for such a show-stopper shouldn't find any
difficulties making 3.13, I think.

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer
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