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(parent: 9939dda) | patch
x86: make pda a percpu variable
authorTejun Heo <tj@kernel.org>
Tue, 13 Jan 2009 11:41:35 +0000 (20:41 +0900)
committerIngo Molnar <mingo@elte.hu>
Fri, 16 Jan 2009 13:20:03 +0000 (14:20 +0100)
commitb12d8db8fbfaed1e8222a15333a3645599636854
tree4ae6ce55232885d0707eb464c5b43a54bdfe3ce4tree | snapshot (tar.gz zip)
parent9939ddaff52787b2a7c1adf1b2afc95421aa0884commit | diff
x86: make pda a percpu variable

[ Based on original patch from Christoph Lameter and Mike Travis. ]

As pda is now allocated in percpu area, it can easily be made a proper
percpu variable.  Make it so by defining per cpu symbol from linker
script and declaring it in C code for SMP and simply defining it for
UP.  This change cleans up code and brings SMP and UP closer a bit.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/include/asm/pda.h diff | blob | blame | history
arch/x86/kernel/cpu/common.c diff | blob | blame | history
arch/x86/kernel/head64.c diff | blob | blame | history
arch/x86/kernel/head_64.S diff | blob | blame | history
arch/x86/kernel/setup_percpu.c diff | blob | blame | history
arch/x86/kernel/vmlinux_64.lds.S diff | blob | blame | history