linux-kernel - Re: [GIT] Sparc

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Message-Id: <20120413.161210.474133806577823888.davem@davemloft.net>
Date:	Fri, 13 Apr 2012 16:12:10 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	torvalds@...ux-foundation.org
Cc:	akpm@...ux-foundation.org, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT] Sparc

From: Linus Torvalds <torvalds@...ux-foundation.org>
Date: Fri, 13 Apr 2012 12:46:34 -0700

> On Fri, Apr 13, 2012 at 12:24 PM, David Miller <davem@...emloft.net> wrote:
>>
>> With special guest sparc64 assembler hacker, Paul E. McKenney.
> 
> Oh christ.  You're teaching *more* people about sparc64?
> 
> Where will it end?

:-)

> That said, Looking at the patch, it looks a bit dubious. Why does the
> 
>  		cmp			%l1, 0
> 
> instruction remain, even if the conditional branch was deleted? I'm
> not seeing any subsequent uses of %icc, but hey, I'm no sparc expert
> (nor do I want to be).

It's unnecessary but harmless, I'll sweep it up in the sparc-next tree
when I get a chace.
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