[PATCH] panic.c: export panic_on_oops

Linus Torvalds torvalds at linux-foundation.org
Mon Oct 12 13:46:27 EDT 2009



On Mon, 12 Oct 2009, Linus Torvalds wrote:
> 
> Once you do the final flush in a controlled place _after_ you've printed 
> out all the oops information, you simply don't care about locks any more. 
> Because if you were holding critical locks, you're done anyway.
> 
> Sure, maybe you want to do a "trylock()" and skip the oops flush entirely 
> in the mtd layer if you can't do it, but it's the "let's use a workqueue" 
> or something that doesn't seem to make a lot of sense to me.

Side note: I don't actually care deeply. Once it's all inside some driver, 
and once it's not messing up the console layer, I don't think the small 
details matter all that much. I just think it's likely to be a sign of 
something wrong if you need to use workqueues to flush - it probably means 
that the most interesting oopses will never make it to the mtd device in 
the first place.

			Linus



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