Il 25/03/2014 04:19, Gonglei (Arei) ha scritto:
Based on discussions in:
http://lists.gnu.org/archive/html/qemu-devel/2013-11/threads.html#03322
About KVM_SET_GSI_ROUTING ioctl, I tested changing RCU to SRCU, but
unfortunately
it looks like SRCU's grace period is no better than RCU.
Really? This is not what Christian Borntraeger claimed at
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/118083 -- in
fact, Andrew Theurer is currently testing a variant of that patch and I
was going to post it for 3.16.
Have you tried synchronize_srcu_expedited? Unlike the RCU variant, you
can use this function.
Paolo
