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m68k: runtime patching infrastructure

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Add the basic infrastructure to allow runtime patching of kernel and modules
to optimize a few functions with parameters, which are only calculated once
during bootup and are otherwise constant.  Use this for the conversion between
virtual and physical addresses.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Zippel
2007-05-31 00:40:50 -07:00
committed by Linus Torvalds
parent 1fc799e1b4
commit fbe9c96129
9 changed files with 107 additions and 7 deletions
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5
arch/m68k/kernel/vmlinux-std.lds
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@@ -60,6 +60,11 @@ SECTIONS
__con_initcall_start = .;
.con_initcall.init : { *(.con_initcall.init) }
__con_initcall_end = .;
.m68k_fixup : {
__start_fixup = .;
*(.m68k_fixup)
__stop_fixup = .;
}
SECURITY_INIT
#ifdef CONFIG_BLK_DEV_INITRD
. = ALIGN(8192);