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From: Tejun Heo <tj@kernel.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: git pull request for tip/tracing/urgent
Date: Wed, 11 Feb 2009 18:16:19 +0900	[thread overview]
Message-ID: <49929763.3080608@kernel.org> (raw)
In-Reply-To: <20090211090229.GG21105@elte.hu>

Hello,

Ingo Molnar wrote:
> This bit:
> 
>   	".section .fixup, \"ax\"\n"
>  	"4: movl $1, %[faulted]\n"
>  	"   jmp 3b\n"
>  	".previous\n"
> 
> Can be thought of as an 'embedded' or 'nested' section - the '.previous'
> directive jumps back to whatever section we were in before. This can be
> nested multiple times too:
> 
>    .section A
>    [...]
>      .section B
>      [...]
>         .section C
>         [...]
>         .previous
>      [...]
>      .previous
>    [...]
>    .previous

That will result in...

 A->B->C->B->C->B

.pushsection and .popsection should be used for nesting, right?

Thanks.

-- 
tejun

  reply	other threads:[~2009-02-11  9:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-10 18:19 git pull request for tip/tracing/urgent Steven Rostedt
2009-02-10 18:30 ` Frederic Weisbecker
2009-02-10 23:00   ` Steven Rostedt
2009-02-11  1:28     ` Frederic Weisbecker
2009-02-11  9:02       ` Ingo Molnar
2009-02-11  9:16         ` Tejun Heo [this message]
2009-02-11  9:53           ` Ingo Molnar
2009-02-12  1:24             ` H. Peter Anvin
2009-02-11 13:40         ` Frederic Weisbecker
2009-02-11  8:49 ` Ingo Molnar

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