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[POWERPC] Move lowlevel runlatch calls under cpu feature control

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There's no need to call the runlatch on functions on processors that
don't implement them (CPU_FTR_CTRL).

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Olof Johansson
2007-09-05 12:42:30 +10:00
committed by Paul Mackerras
parent 01f1c735f5
commit a416561bf7
2 changed files with 4 additions and 0 deletions
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2
arch/powerpc/kernel/head_64.S
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@@ -656,7 +656,9 @@ hardware_interrupt_common:
FINISH_NAP FINISH_NAP
hardware_interrupt_entry: hardware_interrupt_entry:
DISABLE_INTS DISABLE_INTS
BEGIN_FTR_SECTION
bl .ppc64_runlatch_on bl .ppc64_runlatch_on
END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
addi r3,r1,STACK_FRAME_OVERHEAD addi r3,r1,STACK_FRAME_OVERHEAD
bl .do_IRQ bl .do_IRQ
b .ret_from_except_lite b .ret_from_except_lite

2
include/asm-powerpc/exception.h
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@@ -282,7 +282,9 @@ label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
FINISH_NAP; \ FINISH_NAP; \
DISABLE_INTS; \ DISABLE_INTS; \
BEGIN_FTR_SECTION \
bl .ppc64_runlatch_on; \ bl .ppc64_runlatch_on; \
END_FTR_SECTION_IFSET(CPU_FTR_CTRL) \
addi r3,r1,STACK_FRAME_OVERHEAD; \ addi r3,r1,STACK_FRAME_OVERHEAD; \
bl hdlr; \ bl hdlr; \
b .ret_from_except_lite b .ret_from_except_lite