lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri, 13 Nov 2009 11:15:42 -0500
From:	William Allen Simpson <>
To:	Stefan Richter <>
CC:	Stephen Hemminger <>,,
	"Paul E. McKenney" <>,
	Linus Torvalds <>,
	Linux Kernel Developers <>,
	Linux Kernel Network Developers <>,
	Eric Dumazet <>
Subject: Re: Documentation: rw_lock lessons learned

Stefan Richter wrote:
> Stephen Hemminger wrote:
>> On Thu, 12 Nov 2009 14:13:03 -0500
>> Stephen Clark <> wrote:
>>> How up to date is this doc?
>> Out of date.
>> 1. Missing mutex's which have largely replaced semaphores.
>> 2. Missing change to lock initialization in later kernels.
>> 3. Missing description of lock dependency checker which should be in same guide.
> 4. The section on atomic reference counting should refer to <linux/kref.h>.

I'd also read that, and that's where I got some of my wrong thinking.  But
that does point to Documentation/spin_locks.txt, which I took to be
authoritative (and followed).  That's the reason spin_locks.txt should be
updated, as others are having the same problems....

Anybody have answers/updates to Linus's concerns about "pretty old and
bogus language"?

To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists