On 06/09/2017 03:16 PM, Konrad Rzeszutek Wilk wrote:
If we have a large amount of livepatches and want to print them on the console using 'xl debug-keys x' we eventually hit the preemption check:if ( i && !(i % 64) ) { spin_unlock(&payload_lock); process_pending_softirqs(); if ( spin_trylock(&payload_lock) ) return <facepalm> The effect is that we have just effectively taken the lock and returned without unlocking! CC: Ross Lagerwall <ross.lagerw...@citrix.com> CC: Boris Ostrovsky <boris.ostrov...@oracle.com> CC: Jan Beulich <jbeul...@suse.com> CC: Andrew Cooper <andrew.coop...@citrix.com> CC: Julien Grall <julien.gr...@arm.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> ---
Reviewed-by: Ross Lagerwall <ross.lagerw...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
