From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andi Kleen <ak@muc.de>, Andrew Morton <akpm@osdl.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH] Fix asm-i386/desc.h:pack_descriptor()
Date: Sat, 09 Sep 2006 16:36:26 -0700 [thread overview]
Message-ID: <45034FFA.8000605@goop.org> (raw)
Fix pack_descriptor:
1. flags are bits 20-23 in the high word
2. limit's 4 msb are bits 16-19 in the high word
These haven't mattered so far, because all users have had small limits
and a flags setting of 0.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
===================================================================
--- a/include/asm-i386/desc.h
+++ b/include/asm-i386/desc.h
@@ -41,7 +41,7 @@ static inline void pack_descriptor(__u32
{
*a = ((base & 0xffff) << 16) | (limit & 0xffff);
*b = (base & 0xff000000) | ((base & 0xff0000) >> 16) |
- ((type & 0xff) << 8) | ((flags & 0xf) << 12);
+ (limit & 0x000f0000) | ((type & 0xff) << 8) | ((flags & 0xf) << 20);
}
static inline void pack_gate(__u32 *a, __u32 *b,
reply other threads:[~2006-09-09 23:39 UTC|newest]
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