On 09/19/2012 08:18 PM, Suresh Siddha wrote: > These routines (kvm_load/put_guest_fpu()) are already called with > preemption disabled but as you mentioned, we don't want the preemption > to be disabled completely between the kvm_load_guest_fpu() and > kvm_put_guest_fpu(). > > Also KVM already has the preempt notifier which is doing the > kvm_put_guest_fpu(), so something like the appended should address this. > I will test this shortly. >
Note, we could also go in a different direction and make kernel_fpu_begin() use preempt notifiers and thus make its users preemptible. But that's for a separate patchset. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
