http://elinux.org/index.php?title=CELF_Project_Proposal/Create_a_watchdog_framework_for_the_Linux_kernel&feed=atom&action=history 2013-06-20T03:24:59Z Revision history for this page on the wiki MediaWiki 1.22alpha http://elinux.org/index.php?title=CELF_Project_Proposal/Create_a_watchdog_framework_for_the_Linux_kernel&diff=15812&oldid=prev 2009-12-17T23:08:43Z

<p>add project</p> <p><b>New page</b></p><div>; Summary : Create a watchdog framework for the Linux kernel<br /> <br /> ; Proposer : Wolfram Sang<br /> <br /> == Description ==<br /> The watchdog API of the Linux kernel is documented and used for<br /> years. Yet, there is no abstraction for its common functionality (open, write,<br /> ioctl, close), so every watchdog driver has to implement those methods on its<br /> own. In addition to the vast amount of code duplication in the kernel source,<br /> this is also error-prone as there are subtle corner-cases in handling the<br /> watchdog and the userspace-input correctly. Although there is code review for<br /> new drivers, it seems very desirable to improve the situation as a whole.<br /> <br /> There have been two approaches for a generic watchdog framework, one from Alan<br /> Cox and one from Wim van Sebroeck, the current watchdog maintainer. Sadly,<br /> nothing from those have made it to mainline so far. This is a bit surprising;<br /> although watchdogs are usually rather simple devices, they are crucial for the<br /> stability concept of an enormous number of devices. The benefit of this<br /> proposal is to have a rock-solid, well maintainable and trustworthy watchdog<br /> framework, which makes writing new drivers faster and less error-prone.<br /> <br /> == Related work ==<br /> * Proposal by Alan Cox:<br /> ** http://git.kernel.org/?p=linux/kernel/git/wim/linux-2.6-watchdog-next.git;a=shortlog;h=refs/heads/alan-generic-watchdog<br /> * Proposal by Wim van Sebroeck:<br /> ** http://git.kernel.org/?p=linux/kernel/git/wim/linux-2.6-watchdog-next.git;a=shortlog;h=refs/heads/wim-generic-watchdog<br /> <br /> == Scope ==<br /> My estimation would be 4 weeks of development and testing<br /> <br /> == Comments ==<br /> <br /> <br /> [[Category:Project proposals]]</div>

Tim Bird