From: Simon Horman <simon.horman@corigine.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: David Laight <David.Laight@aculab.com>,
'Louis Peens' <louis.peens@corigine.com>,
David Miller <davem@davemloft.net>,
Paolo Abeni <pabeni@redhat.com>,
Leon Romanovsky <leon@kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"oss-drivers@corigine.com" <oss-drivers@corigine.com>
Subject: Re: [PATCH net v2] nfp: correct number of MSI vectors requests returned
Date: Thu, 20 Apr 2023 09:25:05 +0200 [thread overview]
Message-ID: <ZEDo0RrtX5okUTN2@corigine.com> (raw)
In-Reply-To: <20230419183409.1fba81b7@kernel.org>
On Wed, Apr 19, 2023 at 06:34:09PM -0700, Jakub Kicinski wrote:
> On Wed, 19 Apr 2023 15:37:57 +0000 David Laight wrote:
> > > Before the referenced commit, if fewer interrupts are supported by
> > > hardware than requested, then pci_msix_vec_count() returned the
> > > former. However, after the referenced commit, an error is returned
> > > for this condition. This causes a regression in the NFP driver
> > > preventing probe from completing.
> >
> > I believe the relevant change to the msix vector allocation
> > function has been reverted.
> > (Or at least, the over-zealous check of nvec removed.)
> >
> > So this change to bound the number of interrupts
> > isn't needed.
>
> Great, thanks, I was about to ask!
Likewise, thanks.
We'll look into this.
prev parent reply other threads:[~2023-04-20 7:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-19 8:15 [PATCH net v2] nfp: correct number of MSI vectors requests returned Louis Peens
2023-04-19 15:37 ` David Laight
2023-04-20 1:34 ` Jakub Kicinski
2023-04-20 7:25 ` Simon Horman [this message]
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