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(parent: b2938f8) | patch
[PATCH] i386: Implement "current" with the PDA
authorJeremy Fitzhardinge <jeremy@goop.org>
Thu, 7 Dec 2006 01:14:03 +0000 (02:14 +0100)
committerAndi Kleen <andi@basil.nowhere.org>
Thu, 7 Dec 2006 01:14:03 +0000 (02:14 +0100)
commitec7fcaabbfb3c5bd5189f857b6ac7bb9745ef291
tree9730e2849a9943e26f8d32f394296fd685b85e39tree | snapshot (tar.gz zip)
parentb2938f880890ebfcccad356275e0000193153623commit | diff
[PATCH] i386: Implement "current" with the PDA

Use the pcurrent field in the PDA to implement the "current" macro.  This ends
up compiling down to a single instruction to get the current task.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Zachary Amsden <zach@vmware.com>
Cc: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
arch/i386/kernel/asm-offsets.c diff | blob | blame | history
arch/i386/kernel/cpu/common.c diff | blob | blame | history
arch/i386/kernel/process.c diff | blob | blame | history
include/asm-i386/current.h diff | blob | blame | history
include/asm-i386/pda.h diff | blob | blame | history