Re: [Xen-devel] [PATCH] rombios/ata: Wait for BSY to clear after write

2017-06-13 Thread Wei Liu
On Tue, Jun 13, 2017 at 09:56:32AM +0100, Andrew Cooper wrote: > On 13/06/17 09:34, Ross Lagerwall wrote: > > After rombios transfers the data for a write, it checks the status and > > fails if BSY is set. qemu-trad doesn't set BSY for PIO writes, but QEMU > > upstream does, and this causes rombios

Re: [Xen-devel] [PATCH] rombios/ata: Wait for BSY to clear after write

2017-06-13 Thread Andrew Cooper
On 13/06/17 09:34, Ross Lagerwall wrote: > After rombios transfers the data for a write, it checks the status and > fails if BSY is set. qemu-trad doesn't set BSY for PIO writes, but QEMU > upstream does, and this causes rombios to fail writes because they are > marked as BSY. Instead, wait for BSY