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2557a933b7
The 'disable_cb' callback is designed as an optimization to tell the host we don't need callbacks now. As it is not reliable, the debug check is overzealous: it can happen on two CPUs at the same time. Document this. Even if it were reliable, the virtio_net driver doesn't disable callbacks on transmit so the START_USE/END_USE debugging reentrance protection can be easily tripped even on UP. Thanks to Balaji Rao for the bug report and testing. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> CC: Balaji Rao <balajirrao@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| config.c | ||
| Kconfig | ||
| Makefile | ||
| virtio.c | ||
| virtio_balloon.c | ||
| virtio_pci.c | ||
| virtio_ring.c | ||