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Re: “Backend has not unmapped grant” errors
- To: Juergen Gross <jgross@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 24 Aug 2022 08:40:22 +0200
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- Cc: Xen developer discussion <xen-devel@xxxxxxxxxxxxxxxxxxxx>, SeongJae Park <sjpark@xxxxxxxxxx>, Maximilian Heyne <mheyne@xxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 24 Aug 2022 06:40:33 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.08.2022 08:36, Juergen Gross wrote:
> On 24.08.22 08:30, Jan Beulich wrote:
>> On 24.08.2022 08:02, Juergen Gross wrote:
>>> The blkif.h comments should be updated to make it clear that the values in
>>> Xenstore don't reflect the state of the connection, but the availability of
>>> the feature in the related driver.
>>
>> Isn't that implied for all the feature-* leaves? I certainly don't mind it
>> being spelled out, but I don't think there's any real ambiguity here.
>
> I think it should spelled out explicitly, maybe in the general paragraph
> about feature negotiation.
>
> To me especially the phrasing on the frontend side was reading as if a "1"
> would indicate the feature to be actively used:
>
> "A value of "1" indicates that the frontend will reuse the same grants ..."
Hmm, yes, that's certainly wording worth of improving (regardless of any
addition to the general paragraph).
Jan
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