Messages in this thread | | | Date | Sat, 1 Mar 2008 02:15:51 +0800 | From | Herbert Xu <> | Subject | Re: 2.6.24 Kernel Soft Lock Up with heavy I/O in dm-crypt |
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On Thu, Feb 28, 2008 at 11:20:48PM -0800, Andrew Morton wrote: > > Now, I'm assuming that it's just unreasonable for a machine to spend a full > 11 seconds crunching away on crypto in that code path. Maybe it _is_ > reasonable, and all we need to do is to poke a cond_resched() in there > somewhere. Herbert, any thoughts? What's the speed of that code?
It encryps 512 bytes each time so it should definitely be pretty quick. Perhaps the caller is disabling interrupts or something?
Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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