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Re: [PATCH for-4.16 v4] gnttab: allow setting max version per-domain


  • To: Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Tue, 2 Nov 2021 15:54:51 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 02/11/2021 15:00, Julien Grall wrote:
> Hi Andree,
>
> On 02/11/2021 14:34, Andrew Cooper wrote:
>> Same too for
>> evtchn, but we've already taken a patch to knobble fifo support.
>
> I know that Amazon submitted a patch to allow disabling FIFO [1]. But
> AFAIK, this is not yet merged because of disagrement (?) on the approach.
>
> Cheers,
>
> [1] https://lore.kernel.org/xen-devel/20201203124159.3688-2-paul@xxxxxxx/
>

:(  I honestly thought we'd fixed that.  It certainly needs fixing.

I'll see about adding suitable evtchn abi indications alongside the
grant abi indications, but that will have to be tomorrow at this point.

~Andrew



 


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