linux-kernel - Re: [RELEASE] Userspace RCU 0.7.6

lists.openwall.net		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 linux-hardening linux-cve-announce 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]

Message-ID: <20130110083247.591ad0ba@nehalam.linuxnetplumber.net>
Date:	Thu, 10 Jan 2013 08:32:47 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:	linux-kernel@...r.kernel.org, lttng-dev@...ts.lttng.org,
	rp@...s.cs.pdx.edu,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [RELEASE] Userspace RCU 0.7.6

On Wed, 9 Jan 2013 13:46:17 -0500
Mathieu Desnoyers <mathieu.desnoyers@...icios.com> wrote:

> liburcu is a LGPLv2.1 userspace RCU (read-copy-update) library. This
> data synchronization library provides read-side access which scales
> linearly with the number of cores. It does so by allowing multiples
> copies of a given data structure to live at the same time, and by
> monitoring the data structure accesses to detect grace periods after
> which memory reclamation is possible.
> 
> liburcu-cds provides efficient data structures based on RCU and
> lock-free algorithms. Those structures include hash tables, queues,
> stacks, and doubly-linked lists.
> 
> This is a bugfix release, mainly fixing handling of processes using
> call_rcu, then fork() without following exec(), and then continuing use
> of synchronize_rcu() or call_rcu() in the child process. A hang in
> synchronize_rcu() in the child could occur, which is fixed by this
> release.
> 
> Changelog:
> 2013-01-09 Userspace RCU 0.7.6
>         * Discourage use of pthread_atfork() for call_rcu handlers
>         * Fix call_rcu fork handling
>         * test: fork handling
>         * Fix TLS detection: test with linker, add --disable-compiler-tls
>         * Cleanup: cast pthread_self() return value to unsigned long
>         * Fallback mechanism not working on platform where TLS is unsupported
> 
> Project website: http://lttng.org/urcu
> Download link: http://lttng.org/files/urcu/
> 

Why is the git repository still at 0.7.4 and there is no tag for 0.7.6?
Am I looking at the right place?
  $ git remote -v
origin	git://git.lttng.org/userspace-rcu.git (fetch)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/