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x86: convert to use __HEAD and HEAD_TEXT macros.

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This has the consequence of changing the section name use for head
code from ".text.head" to ".head.text".  It also eliminates the
".text.head" output section (instead placing head code at the start of
the .text output section), which should be harmless.

This patch only changes the sections in the actual kernel, not those
in the compressed boot loader.

Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Tim Abbott
2009-09-16 16:44:28 -04:00
committed by H. Peter Anvin
parent 1dc818c1c5
commit 4ae59b916d
3 changed files with 5 additions and 11 deletions
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arch/x86/kernel/head_32.S
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@@ -79,7 +79,7 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
* any particular GDT layout, because we load our own as soon as we
* can.
*/
.section .text.head,"ax",@progbits
__HEAD
ENTRY(startup_32)
/* test KEEP_SEGMENTS flag to see if the bootloader is asking
us to not reload segments */