[PATCH] uml: Fix load average >=1

update_process_times was missing its irq_enter/irq_exit wrapper.  This caused
ksoftirqd to be scheduled on every clock tick.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index a8b4ef601f5964d236360e8ae5bb1d4f49dbc56d..4e08f7545d63d6df96558ff6506a764db1b7e4ca 100644 (file)
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -137,7 +137,10 @@ long um_stime(int __user *tptr)
 void timer_handler(int sig, union uml_pt_regs *regs)
 {
        local_irq_disable();
-       update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)), (regs)->skas.is_user));
+       irq_enter();
+       update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)),
+                                        (regs)->skas.is_user));
+       irq_exit();
        local_irq_enable();
        if(current_thread->cpu == 0)
                timer_irq(regs);