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Re: [Qemu-block] [Qemu-devel] [PATCH v2 5/6] ide: Add silent DRQ cancell
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH v2 5/6] ide: Add silent DRQ cancellation |
Date: |
Tue, 9 Feb 2016 13:21:15 +0000 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Mon, Feb 08, 2016 at 12:08:08PM -0500, John Snow wrote:
>
>
> On 02/08/2016 11:09 AM, Stefan Hajnoczi wrote:
> > On Tue, Jan 19, 2016 at 12:39:50PM -0500, John Snow wrote:
> >> Split apart the ide_transfer_stop function into two versions: one that
> >> interrupts and one that doesn't. The one that doesn't can be used to
> >> halt any PIO transfers that are in the DRQ phase. It will not halt
> >> any PIO transfers that are currently in the process of buffering data
> >> for the guest to read.
> >>
> >> Signed-off-by: John Snow <address@hidden>
> >> ---
> >> hw/ide/core.c | 19 ++++++++++++++++---
> >> 1 file changed, 16 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/hw/ide/core.c b/hw/ide/core.c
> >> index cf0b5ec..9bc8e58 100644
> >> --- a/hw/ide/core.c
> >> +++ b/hw/ide/core.c
> >> @@ -486,13 +486,26 @@ static void ide_cmd_done(IDEState *s)
> >> }
> >> }
> >>
> >> -void ide_transfer_stop(IDEState *s)
> >> +static void ide_transfer_halt(IDEState *s, void(*etf)(IDEState *), bool
> >> notify)
> >> {
> >> - s->end_transfer_func = ide_transfer_stop;
> >> + s->end_transfer_func = etf;
> >
> > Please keep using full names so the code is easier to understand:
> > s/etc/end_transfer_func/
> >
>
> If this is the only feedback, I'll just clean this up in the PR, thanks.
Yes, that's fine.
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