linux-kernel - Re: [PATCH][RFC] getting rid of stupid loop in BUG()

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Message-ID: <21803.1185331847@ocs10w.ocs.com.au>
Date:	Wed, 25 Jul 2007 12:50:47 +1000
From:	Keith Owens <kaos@....com.au>
To:	Trent Piepho <xyzzy@...akeasy.org>
cc:	Al Viro <viro@....linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH][RFC] getting rid of stupid loop in BUG() 

Trent Piepho (on Tue, 24 Jul 2007 19:31:36 -0700 (PDT)) wrote:
>Adding __builtin_trap after the
>asm might be an ok fix.  It will emit a spurious int 6, but that won't even be
>reached since the asm doesn't return, and it probably be less extra code than
>the loop.

int 6 is a two byte instruction, the loop generates jmp with an 8 bit
offset, also two bytes.  No change in code size.

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