Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [RESENDx2] [PULL] virtio: fix barriers for virtio-mmio | Date | Sat, 24 Dec 2011 13:31:14 +1030 |
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On Fri, 23 Dec 2011 13:35:26 +0200, Ohad Ben-Cohen <ohad@wizery.com> wrote: > On Fri, Dec 23, 2011 at 11:35 AM, Linus Torvalds > <torvalds@linux-foundation.org> wrote: > > On x86, there really is never any reason to use the heavy memory > > barriers unless you are talking to a real device. And last I saw, > > "virtio" was still about virtual IO.
Not any more, as the commit message describes.
But I missed that they're using rpmsg, which isn't merged yet.
Sorry for the noise, Rusty. PS. Switching barriers by bus type is too crude anyway, let's come up with something better...
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