Messages in this thread |  | | Date | Sun, 5 Jan 2020 05:42:49 -0500 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH v1 2/2] virtio-mmio: add features for virtio-mmio specification version 3 |
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On Thu, Dec 26, 2019 at 09:16:19PM +0800, Liu, Jiang wrote: > > 2) The mask and unmask control is missed > > > > > >> but the extension doesn’t support 3) because > >> we noticed that the Linux virtio subsystem doesn’t really make use of interrupt masking/unmasking.
Linux uses masking/unmasking in order to migrate interrupts between CPUs.
-- MST
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