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David Vrabel
b4650e9a96
Introduce a per-active entry spin lock to protect active entry state The grant table lock must be locked before acquiring (locking) an active entry. This is a step in reducing contention on the grant table lock, but will only do so once the grant table lock is turned into a read-write lock. Based on a patch originally by Matt Wilson <msw@amazon.com>. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Jan Beulich <jbeulich@suse.com>
xen-bugtool =========== The xen-bugtool command line application will collate the Xen dmesg output, details of the hardware configuration of your machine, information about the build of Xen that you are using, plus, if you allow it, various logs. The information collated can either be posted to a Xen Bugzilla bug (this bug must already exist in the system, and you must be a registered user there), or it can be saved as a .tar.bz2 for sending or archiving. The collated logs may contain private information, and if you are at all worried about that, you should not use this tool, or you should explicitly exclude those logs from the archive. xen-bugtool is wholly interactive, so simply run it, and answer the questions.