On Mon, 12 Nov 2012, Paolo Bonzini wrote:
> Commit ed2aec4867f0d5f5de496bb765347b5d0cfe113d changed the return
> value of aio_ctx_prepare from false to true when only idle bottom
> halves are available. This broke PC old-style DMA, which uses them.
> Fix this by making aio_ctx_prepare return true
Commit ed2aec4867f0d5f5de496bb765347b5d0cfe113d changed the return
value of aio_ctx_prepare from false to true when only idle bottom
halves are available. This broke PC old-style DMA, which uses them.
Fix this by making aio_ctx_prepare return true only when non-idle
bottom halves are scheduled to
