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[PATCH] x86-64: copy ioperm bitmaps more efficiently at context switch
authorAndi Kleen <ak@muc.de>
Fri, 17 Sep 2004 05:03:06 +0000 (22:03 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Fri, 17 Sep 2004 05:03:06 +0000 (22:03 -0700)
commit0855040e79e53064f73b5c34fb7b1ccd196f9b52
treebaacb441e4df007c7d3c382174eb490ab2bfd3dbtree | snapshot
parented5bb129c09271807f53bbd9d940b66833d060fdcommit | diff
[PATCH] x86-64: copy ioperm bitmaps more efficiently at context  switch

Copy ioperm bitmaps more efficiently at context switch time.  Only copy
upto the highest used port.

Originally from Ingo Molnar

Signed-off-by: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/ioport.c diff | blob | history
arch/x86_64/kernel/process.c diff | blob | history
arch/x86_64/kernel/setup64.c diff | blob | history
include/asm-x86_64/processor.h diff | blob | history
Linux kernels and configurations used by Zygo.