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 <[EMAIL PROTECTED]>
Index: linux-2.6.12-rc3-mm2/arch/um/kernel/time_kern.c
===================================================================
--- linux-2.6.12-rc3-mm2.orig/arch/um/kernel/time_kern.c 2005-07-28
11:06:35.000000000 -0400
+++ linux-2.6.12-rc3-mm2/arch/um/kernel/time_kern.c 2005-07-28
11:26:17.000000000 -0400
@@ -137,7 +137,10 @@
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);
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