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powerpc: Use the new schedule_user API on userspace preemption

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This patch corresponds to
[PATCH] x86: Use the new schedule_user API on userspace preemption
  commit 0430499ce9

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Li Zhong 2013-05-13 16:16:43 +00:00 committed by Benjamin Herrenschmidt
parent 106ed886ab
commit 5d1c574511
2 changed files with 12 additions and 1 deletions
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10
arch/powerpc/include/asm/context_tracking.h Normal file
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@ -0,0 +1,10 @@
#ifndef _ASM_POWERPC_CONTEXT_TRACKING_H
#define _ASM_POWERPC_CONTEXT_TRACKING_H
#ifdef CONFIG_CONTEXT_TRACKING
#define SCHEDULE_USER bl .schedule_user
#else
#define SCHEDULE_USER bl .schedule
#endif
#endif

3
arch/powerpc/kernel/entry_64.S
View File

@ -33,6 +33,7 @@
#include <asm/irqflags.h>
#include <asm/ftrace.h>
#include <asm/hw_irq.h>
#include <asm/context_tracking.h>
/*
* System calls.
@ -632,7 +633,7 @@ _GLOBAL(ret_from_except_lite)
andi. r0,r4,_TIF_NEED_RESCHED
beq 1f
bl .restore_interrupts
bl .schedule
SCHEDULE_USER
b .ret_from_except_lite
1: bl .save_nvgprs