From: Bjorn Helgaas <bhelgaas@google.com>
To: Alex_Gagniuc@dellteam.com
Cc: Tal Gilboa <talgi@mellanox.com>,
mr.nuke.me@gmail.com, jakub.kicinski@netronome.com,
linux-pci@vger.kernel.org, Keith Busch <keith.busch@intel.com>,
Austin.Bolen@dell.com, Shyam.Iyer@dell.com, "Kirsher,
Jeffrey T" <jeffrey.t.kirsher@intel.com>,
ariel.elior@cavium.com, michael.chan@broadcom.com,
ganeshgr@chelsio.com, tariqt@mellanox.com,
Dave Airlie <airlied@gmail.com>,
Alex Deucher <alexander.deucher@amd.com>,
"Marciniszyn, Mike" <mike.marciniszyn@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5] PCI: Check for PCIe downtraining conditions
Date: Mon, 6 Aug 2018 14:46:28 -0500 [thread overview]
Message-ID: <CAErSpo4PK+SQLNfdkLNt9eLc7bpbxbkZCsa8T-tQpid601n0SQ@mail.gmail.com> (raw)
In-Reply-To: <c0f2f79b1fe1491287b35e70ba76902a@ausx13mps321.AMER.DELL.COM>
On Mon, Aug 6, 2018 at 1:39 PM <Alex_Gagniuc@dellteam.com> wrote:
>
> On 08/05/2018 02:06 AM, Tal Gilboa wrote:
> > On 7/31/2018 6:10 PM, Alex G. wrote:
> >> On 07/31/2018 01:40 AM, Tal Gilboa wrote:
> >> [snip]
> >>>>>> @@ -2240,6 +2258,9 @@ static void pci_init_capabilities(struct
> >>>>>> pci_dev *dev)
> >>>>>> /* Advanced Error Reporting */
> >>>>>> pci_aer_init(dev);
> >>>>>> + /* Check link and detect downtrain errors */
> >>>>>> + pcie_check_upstream_link(dev);
> >>>>
> >>>> This is called for every PCIe device right? Won't there be a
> >>>> duplicated print in case a device loads with lower PCIe bandwidth
> >>>> than needed?
> >>>
> >>> Alex, can you comment on this please?
> >>
> >> Of course I can.
> >>
> >> There's one print at probe() time, which happens if bandwidth < max. I
> >> would think that's fine. There is a way to duplicate it, and that is if
> >> the driver also calls print_link_status(). A few driver maintainers who
> >> call it have indicated they'd be fine with removing it from the driver,
> >> and leaving it in the core PCI.
> >
> > We would be fine with that as well. Please include the removal in your
> > patches.
>
> What's the proper procedure? Do I wait for confirmation from Bjorn
> before knocking on maintainer's doors, or do I William Wallace into
> their trees and demand they merge the removal (pending Bjorn's approval
> on the other side) ?
Post a v4 series that does the PCI core stuff as well as removing the
driver code.
Bjorn
next prev parent reply other threads:[~2018-08-06 19:46 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-04 15:55 [PATCH v3] PCI: Check for PCIe downtraining conditions Alexandru Gagniuc
2018-06-05 12:27 ` Andy Shevchenko
2018-06-05 13:04 ` Andy Shevchenko
2018-07-16 21:17 ` Bjorn Helgaas
2018-07-16 22:28 ` Alex_Gagniuc
2018-07-18 21:53 ` Bjorn Helgaas
2018-07-19 15:46 ` Alex G.
2018-07-23 20:01 ` [PATCH v2] PCI/AER: Do not clear AER bits if we don't own AER Alexandru Gagniuc
2018-07-25 1:24 ` kbuild test robot
2018-07-23 20:03 ` [PATCH v5] PCI: Check for PCIe downtraining conditions Alexandru Gagniuc
2018-07-23 21:01 ` Jakub Kicinski
2018-07-23 21:52 ` Tal Gilboa
2018-07-23 22:14 ` Jakub Kicinski
2018-07-23 23:59 ` Alex G.
2018-07-24 13:39 ` Tal Gilboa
2018-07-30 23:26 ` Alex_Gagniuc
2018-07-31 6:40 ` Tal Gilboa
2018-07-31 15:10 ` Alex G.
2018-08-05 7:05 ` Tal Gilboa
2018-08-06 18:39 ` Alex_Gagniuc
2018-08-06 19:46 ` Bjorn Helgaas [this message]
2018-08-06 23:25 ` [PATCH v6 1/9] " Alexandru Gagniuc
2018-08-06 23:25 ` [PATCH v6 2/9] bnx2x: Do not call pcie_print_link_status() Alexandru Gagniuc
2018-08-06 23:25 ` [PATCH v6 3/9] bnxt_en: " Alexandru Gagniuc
2018-08-06 23:25 ` [PATCH v6 4/9] cxgb4: " Alexandru Gagniuc
2018-08-06 23:25 ` [PATCH v6 5/9] fm10k: " Alexandru Gagniuc
2018-08-07 17:52 ` Jeff Kirsher
2018-08-06 23:25 ` [PATCH v6 6/9] ixgbe: " Alexandru Gagniuc
2018-08-07 17:51 ` Jeff Kirsher
2018-08-06 23:25 ` [PATCH v6 7/9] net/mlx4: " Alexandru Gagniuc
2018-08-08 6:10 ` Leon Romanovsky
2018-08-06 23:25 ` [PATCH v6 8/9] net/mlx5: " Alexandru Gagniuc
2018-08-08 6:08 ` Leon Romanovsky
2018-08-08 14:23 ` Tal Gilboa
2018-08-08 15:41 ` Leon Romanovsky
2018-08-08 15:56 ` Tal Gilboa
2018-08-08 16:33 ` Alex G.
2018-08-08 17:27 ` Leon Romanovsky
2018-08-09 14:02 ` Bjorn Helgaas
2018-08-06 23:25 ` [PATCH v6 9/9] nfp: " Alexandru Gagniuc
2018-08-07 19:44 ` [PATCH v6 1/9] PCI: Check for PCIe downtraining conditions David Miller
2018-08-07 21:41 ` Bjorn Helgaas
2018-07-18 13:38 ` [PATCH v3] " Tal Gilboa
2018-07-19 15:49 ` Alex G.
2018-07-23 5:21 ` Tal Gilboa
2018-07-23 17:01 ` Alex G.
2018-07-23 21:35 ` Tal Gilboa
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