Re: [PATCH 1/3] printk: Release console_sem after logbuf_lock

Andrew Morton
2011-06-10T00:08:39Z

On Thu, 9 Jun 2011 16:57:29 -0700 (PDT)
Hugh Dickins <hughd@google.com> wrote:

> Does your mail below stir any useful memories?

Thanks. I did have the email, but it didn't match any of my grep
patterns.

> Some notes:

Stupid thing doesn't explain the magical locking though :( I'm 99.9%
sure that putting an up() inside a spinlock_irq()ed region was
deliberate.

> - Being heartily sick of reverse-engineering interface information
> from implementations, I have gratuitously added comments in several
> random parts of the kernel. Shoot me.

hah.