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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>
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Olof Johansson authored and Paul Mackerras committed Sep 13, 2007
1 parent 01f1c73 commit a416561
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Showing 2 changed files with 4 additions and 0 deletions.
2 changes: 2 additions & 0 deletions arch/powerpc/kernel/head_64.S
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Expand Up @@ -656,7 +656,9 @@ hardware_interrupt_common:
FINISH_NAP
hardware_interrupt_entry:
DISABLE_INTS
BEGIN_FTR_SECTION
bl .ppc64_runlatch_on
END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
addi r3,r1,STACK_FRAME_OVERHEAD
bl .do_IRQ
b .ret_from_except_lite
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2 changes: 2 additions & 0 deletions include/asm-powerpc/exception.h
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Expand Up @@ -282,7 +282,9 @@ label##_common: \
EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \
FINISH_NAP; \
DISABLE_INTS; \
BEGIN_FTR_SECTION \
bl .ppc64_runlatch_on; \
END_FTR_SECTION_IFSET(CPU_FTR_CTRL) \
addi r3,r1,STACK_FRAME_OVERHEAD; \
bl hdlr; \
b .ret_from_except_lite
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