Re: Deferred freeing of kauth_cred_ts

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Thu, Dec 24, 2009 at 06:05:25PM -0500, Elad Efrat wrote:
> 
> If this is sensible, my first step will be extracting the guts of
> assert_sleepable() to is_sleepable() so we don't always trip a panic()
> if we can't sleep.

Without taking a mutex, how will you know you're *still* sleepable
when you actually do the free?  It seems to me is_sleepable must
acquire a mutex and anything which could take us to interrupt
context must... ugh.

Thor