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OpenCloudOS-Kernel
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[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>
This commit is contained in:
Jeff Dike 2005-07-28 21:16:09 -07:00 committed by Linus Torvalds
parent d9b7cc84af
commit 7e1f49da68
1 changed files with 4 additions and 1 deletions
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5
arch/um/kernel/time_kern.c
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@ -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);