forked from luck/tmp_suning_uos_patched
1a338ac32c
Remove the bloat of the C calling convention out of the
preempt_enable() sites by creating an ASM wrapper which allows us to
do an asm("call ___preempt_schedule") instead.
calling.h bits by Andi Kleen
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-tk7xdi1cvvxewixzke8t8le1@git.kernel.org
[ Fixed build error. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
26 lines
368 B
ArmAsm
26 lines
368 B
ArmAsm
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#include <linux/linkage.h>
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#include <asm/dwarf2.h>
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#include <asm/asm.h>
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#include <asm/calling.h>
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ENTRY(___preempt_schedule)
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CFI_STARTPROC
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SAVE_ALL
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call preempt_schedule
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RESTORE_ALL
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ret
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CFI_ENDPROC
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#ifdef CONFIG_CONTEXT_TRACKING
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ENTRY(___preempt_schedule_context)
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CFI_STARTPROC
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SAVE_ALL
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call preempt_schedule_context
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RESTORE_ALL
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ret
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CFI_ENDPROC
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#endif
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