* Josh Cartwright | 2016-02-11 11:54:01 [-0600]:
>kvm_arch_vcpu_ioctl_run() disables the use of preemption when updating
>the vgic and timer states to prevent the calling task from migrating to
>another CPU. It does so to prevent the task from writing to the
>incorrect per-CPU GIC distributor registers.
>
>On -rt kernels, it's possible to maintain the same guarantee with the
>use of migrate_{disable,enable}(), with the added benefit that the
>migrate-disabled region is preemptible. Update
>kvm_arch_vcpu_ioctl_run() to do so.
>
>Cc: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
>Reported-by: Manish Jaggi <Manish.Jaggi@xxxxxxxxxxxxxxxxxx>
>Signed-off-by: Josh Cartwright <joshc@xxxxxx>
Thanks, applied.
Sebastian
--
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
