From: Li Zhong <zhong@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: Li Zhong <zhong@linux.vnet.ibm.com>,
fweisbec@gmail.com, paulus@samba.org, paulmck@linux.vnet.ibm.com,
linuxppc-dev@lists.ozlabs.org
Subject: [RFC PATCH v3 4/5] powerpc: Use the new schedule_user API on userspace preemption
Date: Mon, 13 May 2013 13:21:32 +0800 [thread overview]
Message-ID: <1368422493-9831-5-git-send-email-zhong@linux.vnet.ibm.com> (raw)
In-Reply-To: <1368422493-9831-1-git-send-email-zhong@linux.vnet.ibm.com>
This patch corresponds to
[PATCH] x86: Use the new schedule_user API on userspace preemption
commit 0430499ce9d78691f3985962021b16bf8f8a8048
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/context_tracking.h | 10 ++++++++++
arch/powerpc/kernel/entry_64.S | 3 ++-
2 files changed, 12 insertions(+), 1 deletion(-)
create mode 100644 arch/powerpc/include/asm/context_tracking.h
diff --git a/arch/powerpc/include/asm/context_tracking.h b/arch/powerpc/include/asm/context_tracking.h
new file mode 100644
index 0000000..b6f5a33
--- /dev/null
+++ b/arch/powerpc/include/asm/context_tracking.h
@@ -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
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 915fbb4..d418977 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -33,6 +33,7 @@
#include <asm/irqflags.h>
#include <asm/ftrace.h>
#include <asm/hw_irq.h>
+#include <asm/context_tracking.h>
/*
* System calls.
@@ -634,7 +635,7 @@ _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
--
1.7.9.5
next prev parent reply other threads:[~2013-05-13 5:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-13 5:21 [RFC PATCH v3 0/5] powerpc: Support context tracking for Power pSeries Li Zhong
2013-05-13 5:21 ` [RFC PATCH v3 1/5] powerpc: Syscall hooks for context tracking subsystem Li Zhong
2013-05-13 5:21 ` [RFC PATCH v3 2/5] powerpc: Exception " Li Zhong
2013-05-13 5:57 ` Benjamin Herrenschmidt
2013-05-13 8:44 ` Li Zhong
2013-05-13 9:06 ` Benjamin Herrenschmidt
2013-05-13 9:46 ` Li Zhong
2013-05-13 10:01 ` Benjamin Herrenschmidt
2013-05-13 5:21 ` [RFC PATCH v3 3/5] powerpc: Exit user context on notify resume Li Zhong
2013-05-13 5:21 ` Li Zhong [this message]
2013-05-13 5:21 ` [RFC PATCH v3 5/5] powerpc: select HAVE_CONTEXT_TRACKING for pSeries Li Zhong
2013-05-13 5:51 ` [RFC PATCH v3 0/5] powerpc: Support context tracking for Power pSeries Benjamin Herrenschmidt
2013-05-13 8:03 ` Li Zhong
2013-05-13 8:59 ` Benjamin Herrenschmidt
2013-05-13 9:22 ` Li Zhong
2013-05-29 21:32 ` Frederic Weisbecker
2013-05-29 21:29 ` Frederic Weisbecker
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