Re: [PATCH] panic_on_oops: remove ssleep()

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In-Reply-To: <[email protected]>

On Mon, 17 Jul 2006 12:17:20 -0400, Horms wrote:

> This patch is part of an effort to unify the panic_on_oops behaviour
> across all architectures that implement it.
> It was pointed out to me by Andi Kleen that if an oops has occured
> in interrupt context, then calling sleep() in the oops path will only cause
> a panic, and that it would be really better for it not to be in the path at
> all. 

i386 already checks in_interrupt() and panics immediately:

--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -442,11 +442,9 @@ #endif
===>    if (in_interrupt())
===>            panic("Fatal exception in interrupt");
-       if (panic_on_oops) {
-               printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
-               ssleep(5);
-               panic("Fatal exception");
-       }
+       if (panic_on_oops)
+               panic("Fatal exception: panic_on_oops");

And did we tell you the name of the game, boy, we call it Riding the Gravy Train.
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