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Commit a416561b authored Sep 05, 2007 by Olof Johansson Committed by Paul Mackerras Sep 14, 2007

[POWERPC] Move lowlevel runlatch calls under cpu feature control



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>

parent 01f1c735

arch/powerpc/kernel/head_64.S

+2 −0

Original line number	Diff line number	Diff line
		@@ -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

include/asm-powerpc/exception.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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