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MIPS: Place __kernel_entry at the beginning of text section

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Mark __kernel_entry as ".head.text" and place HEAD_TEXT before
TEXT_TEXT in the linker script. This ensures that __kernel_entry
will be placed at the beginning of text section.

Drop mips from scripts/head-object-list.txt.

Signed-off-by: Rong Xu <xur@google.com>
Reported-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Closes: https://lore.kernel.org/lkml/c6719149-8531-4174-824e-a3caf4bc6d0e@alliedtelesis.co.nz/T/
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Rong Xu 2024-11-26 09:34:09 -08:00 committed by Masahiro Yamada
parent 18e885099f
commit 52892ed6b0
3 changed files with 2 additions and 1 deletions
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1
arch/mips/kernel/head.S
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@ -59,6 +59,7 @@
#endif #endif
.endm .endm
__HEAD
#ifndef CONFIG_NO_EXCEPT_FILL #ifndef CONFIG_NO_EXCEPT_FILL
/* /*
* Reserved space for exception handlers. * Reserved space for exception handlers.

1
arch/mips/kernel/vmlinux.lds.S
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@ -61,6 +61,7 @@ SECTIONS
/* read-only */ /* read-only */
_text = .; /* Text and read-only data */ _text = .; /* Text and read-only data */
.text : { .text : {
HEAD_TEXT
TEXT_TEXT TEXT_TEXT
SCHED_TEXT SCHED_TEXT
LOCK_TEXT LOCK_TEXT

1
scripts/head-object-list.txt
View File

@ -23,7 +23,6 @@ arch/m68k/coldfire/head.o
arch/m68k/kernel/head.o arch/m68k/kernel/head.o
arch/m68k/kernel/sun3-head.o arch/m68k/kernel/sun3-head.o
arch/microblaze/kernel/head.o arch/microblaze/kernel/head.o
arch/mips/kernel/head.o
arch/nios2/kernel/head.o arch/nios2/kernel/head.o
arch/openrisc/kernel/head.o arch/openrisc/kernel/head.o
arch/parisc/kernel/head.o arch/parisc/kernel/head.o