Stories by Jonathan Corbet

Article | 2/07/2008 Kernel space: The Tru64 Advanced Filesystem
On June 23, HP announced that it was releasing the source for the "Tru64 Advanced Filesystem" (or AdvFS) under version 2 of the GPL. This is, clearly,...
Article | 12/03/2008 Kernel space: the vmsplice() exploit
When this was being written, distributors were working quickly to ship kernel updates fixing the local root vulnerabilities in the vmsplice() system c...
Article | 19/03/2008 Kernel space: Details of the vmsplice() exploit
Last week, we published a discussion of the vmsplice() exploit which showed how the failure to check permissions for a read operation led to a buffer ...
Article | 19/03/2008 Kernel space: How to use a terabyte of RAM
We have not yet reached a point where systems - even high-end boxes - come with a terabyte of installed memory. But products like those from Violin Me...
Article | 23/11/2007 In search of a quality kernel
Discussions of kernel quality are not a new phenomenon on linux-kernel. It is, indeed, a topic which comes up with a certain regularity, more so than ...
Article | 25/10/2007 Fair user scheduling for Linux
The Completely Fair Scheduler (CFS) was merged for the 2.6.23 kernel. One CFS feature which did not get in, though, was the group scheduling facility....
Article | 18/10/2007 Linux gets CAN support
The Controller Area Network (CAN) specification describes a networking stack aimed at a specific environment: embedded, realtime controller networks. ...
Article | 3/10/2007 A generic tracing API for Linux
Dynamic kernel tracing remains high on the wishlists presented by many Linux users. While much work has been done to create a powerful tracing capabil...

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