From b8a420952336ed81ef5c9bf8bad90d3deaee5521 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 23 May 2012 00:25:15 -0400
Subject: [PATCH] um: pull interrupt_end() into userspace()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/um/kernel/process.c | 11 +++--------
arch/um/os-Linux/skas/process.c | 3 +++
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index f19ca6152460c6..57fc7028714a51 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -151,12 +151,10 @@ void new_thread_handler(void)
* 0 if it just exits
*/
n = run_kernel_thread(fn, arg, ¤t->thread.exec_buf);
- if (n == 1) {
- /* Handle any immediate reschedules or signals */
- interrupt_end();
+ if (n == 1)
userspace(¤t->thread.regs.regs);
- }
- else do_exit(0);
+ else
+ do_exit(0);
}
/* Called magically, see new_thread_handler above */
@@ -175,9 +173,6 @@ void fork_handler(void)
current->thread.prev_sched = NULL;
- /* Handle any immediate reschedules or signals */
- interrupt_end();
-
userspace(¤t->thread.regs.regs);
}
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index cd65727854eb60..2687f1f3a709b0 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -347,6 +347,9 @@ void userspace(struct uml_pt_regs *regs)
/* To prevent races if using_sysemu changes under us.*/
int local_using_sysemu;
+ /* Handle any immediate reschedules or signals */
+ interrupt_end();
+
if (getitimer(ITIMER_VIRTUAL, &timer))
printk(UM_KERN_ERR "Failed to get itimer, errno = %d\n", errno);
nsecs = timer.it_value.tv_sec * UM_NSEC_PER_SEC +
--
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