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Michael S. Tsirkin b03214d559 virtio-pci: disable msi at startup ... virtio-pci resets the device at startup by writing to the status register, but this does not clear the pci config space, specifically msi enable status which affects register layout. This breaks things like kdump when they try to use e.g. virtio-blk. Fix by forcing msi off at startup. Since pci.c already has a routine to do this, we export and use it instead of duplicating code. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Vivek Goyal <vgoyal@redhat.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: linux-pci@vger.kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org		15 years ago
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Kconfig	…
Makefile	…
config.c	…
virtio.c	virtio: enhance id_matching for virtio drivers	16 years ago
virtio_balloon.c	virtio_balloon: use virtqueue_xxx wrappers	15 years ago
virtio_pci.c	virtio-pci: disable msi at startup	15 years ago
virtio_ring.c	virtio: return ENOMEM on out of memory	15 years ago