Messages in this thread | | | Subject | Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length record buffer | From | Peter Zijlstra <> | Date | Thu, 03 May 2012 22:11:02 +0200 |
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On Thu, 2012-05-03 at 13:09 -0700, Linus Torvalds wrote: > On Thu, May 3, 2012 at 1:02 PM, Peter Zijlstra <peterz@infradead.org> wrote: > > > > Thing is, with bonkers stuff like usb-console and kms/drm that's a _lot_ > > of code running under the logbuf/console locks. > > The top-level console lock shouldn't be a problem - we use trylock and > delay if it is held. > > It's the lower-level driver-specific locks that screw us up. And quite > frankly, I am *not* willing to say that that is a printk() problem. > That is purely a "USB serial console is damn well broken" issue, and > should not be considered a limitation of printk.
I'm happy to call all that broken ;-)
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