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Git prompt for bash 27 Jul 2013 | 02:33 pm
I don’t know who wrote this originally, but this is from my .bashrc. Tridge’s is simpler, but has colour! Before this, I avoided git branches in favour of multiple copies of repositories because I u...
On Linux-Kernel Mailing List Behavior 23 Jul 2013 | 10:18 am
As raised recently by Sarah Sharp, the Linux Kernel mailing list (lkml) has a reputation as an intimidating place. The context (covered so well by LWN) was that Greg Kroah-Hartman, the stable maintai...
6 Technical Things I Learned About Bitcoin 9 Jul 2013 | 12:51 pm
I’ve been collecting these as I research the bitcoin protocol, so I thought it was worth posting about. None of these are groundbreaking, but these are what surprised me as I deepened my understandin...
VIRTIO Growing Up: OASIS Standard Technical Committee 2 Jul 2013 | 10:39 am
http://www.oasis-open.org/committees/virtio Over the last few years, interest in virtio has begun compounding. FreeBSD have their bhyve implementation, there’s an MMIO bus and SCSI endpoint implemen...
Thanks for the Bitcoin donation! 1 Apr 2013 | 07:36 am
Last week I used 2 BTC to support Jupiter Broadcasting’s Unfilter show (and their other shows, but only Unfilter takes BTC so far). Just now I noticed that someone made a 0.5BTC donation to my blog (...
GCC and C vs C++ Speed, Measured. 21 Mar 2013 | 02:52 am
With the imminent release of gcc 4.8, GCC has finally switched to C++ as the implementation language. As usual, LWN has excellent coverage. Those with long memories will remember Linux trying to use...
Looking forward to linux.conf.au 2013 16 Jan 2013 | 06:36 am
This year’s organizers took specific pains to attract deep content, and the schedule reflects that: there are very few slots where I’m not torn between two topics. This will be great fun! After a lit...
Fixed-length semi-lockless queues revisited 24 Dec 2012 | 09:33 am
There were some great comments on my previous post, both in comments here and on the Google Plus post which points to it. I’d like to address the point here, now I’ve had a few moments to do follow-u...
Fixed-length semi-lockless queues… 17 Dec 2012 | 08:38 am
One of my vacation project was to look at a good queue implementation for ccan/antithread. I read a few papers, which mainly deal with generic link-list-style queues (I got quite excited about one be...
Kernel Compilation Times 16 Oct 2012 | 06:56 am
David S. Miller complains that CONFIG_MODULE_SIG slows down builds, and he does hundreds of allmodconfig builds every day. This complaint falls apart fairly quickly in the comments; he knows he can si...
