Re: [patch] Use rwsems instead of custom locking scheme in net/socket.c and net/dccp/ccid.c

Frederik Deweerdt
2006-08-10T13:19:20Z

On Thu, Aug 10, 2006 at 05:57:11AM -0700, David Miller wrote:
> From: Frederik Deweerdt <deweerdt@free.fr>
> Date: Thu, 10 Aug 2006 14:13:36 +0200
>
> > This patch aims at removing two implementations (spotted by Masatake YAMATO) of
> > pseudo-rwlocks using a spinlock_t and an atomic_t. One in net/socket.c
> > and another in net/bluetooth/af_bluetooth.c. I think that both could be
> > converted to rwsems, saving some lines of code.
>
> The net/socket.c one has been converted to RCU by Stephen
> Hemminger already.
>
> If the bluetooth case is in an important code path it should
> use RCU as well.
Sorry, I made a mistake there: net/bluetooth/af_bluetooth.c should read
net/dccp/ccid.c. Does your comment regarding af_bluetooth.c applies to
ccid.c as well?
Also, is there a place where I can find Stephen Hemminger's work?
- Note, this is pure curiosity, it can wait a kernel release or two :) -

Thanks,
Frederik