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From: Dipankar Sarma <dipankar@gamebox.net>
To: Petr Vandrovec <VANDROVE@vc.cvut.cz>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
	Linus Torvalds <torvalds@transmeta.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [TRIVIAL] Re: UP went into unexpected trashing
Date: Sat, 9 Nov 2002 01:23:36 +0530	[thread overview]
Message-ID: <20021109012336.A25293@dikhow> (raw)
In-Reply-To: <6EF6764388E@vcnet.vc.cvut.cz>; from VANDROVE@vc.cvut.cz on Fri, Nov 08, 2002 at 04:40:13PM +0100

On Fri, Nov 08, 2002 at 04:40:13PM +0100, Petr Vandrovec wrote:
> On  8 Nov 02 at 19:33, Rusty Trivial Russell wrote:
> 
> So maybe callers should just treat any return value >= size as "not found",
> leaving older smaller code in place.

Or add a check in there. I can't figure out a way to avoid the extra 
conditional branch anyway :)

Thanks
Dipankar

diff -urN linux-2.5.46-base/include/asm-i386/bitops.h linux-2.5.46-misc/include/asm-i386/bitops.h
--- linux-2.5.46-base/include/asm-i386/bitops.h	Sat Sep 28 03:20:22 2002
+++ linux-2.5.46-misc/include/asm-i386/bitops.h	Sat Nov  9 01:08:56 2002
@@ -317,7 +317,7 @@
 		"addl %%edi,%%eax"
 		:"=a" (res), "=&c" (d0), "=&D" (d1)
 		:"1" ((size + 31) >> 5), "2" (addr), "b" (addr));
-	return res;
+	return (size > res) ? res : size;
 }
 
 /**

  reply	other threads:[~2002-11-08 19:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-08 14:35 [TRIVIAL] Re: UP went into unexpected trashing Petr Vandrovec
2002-11-08 19:53 ` Dipankar Sarma [this message]
2002-11-08 20:10   ` Linus Torvalds
2002-11-09  3:16     ` Rusty Russell
2002-11-09  4:40       ` Linus Torvalds
2002-11-10  3:09         ` Rusty Russell
  -- strict thread matches above, loose matches on Subject: below --
2002-11-08  8:33 Rusty Trivial Russell

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