From: Stefano Stabellini Date: Tue, 6 Sep 2011 16:41:47 +0000 (+0100) Subject: xen: disable PV spinlocks on HVM X-Git-Tag: v3.1-rc7~29^2~3 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f10cd522c5fbfec9ae3cc01967868c9c2401ed23;p=pandora-kernel.git xen: disable PV spinlocks on HVM PV spinlocks cannot possibly work with the current code because they are enabled after pvops patching has already been done, and because PV spinlocks use a different data structure than native spinlocks so we cannot switch between them dynamically. A spinlock that has been taken once by the native code (__ticket_spin_lock) cannot be taken by __xen_spin_lock even after it has been released. Reported-and-Tested-by: Stefan Bader Signed-off-by: Stefano Stabellini Signed-off-by: Konrad Rzeszutek Wilk --- Reading git-diff-tree failed