Messages in this thread | | | From | Haiyang Zhang <> | Subject | RE: linux-next: Tree for Aug 29 (mlx5) | Date | Thu, 29 Aug 2019 21:48:56 +0000 |
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> -----Original Message----- > From: Saeed Mahameed <saeedm@mellanox.com> > Sent: Thursday, August 29, 2019 2:32 PM > To: sfr@canb.auug.org.au; Eran Ben Elisha <eranbe@mellanox.com>; linux- > next@vger.kernel.org; rdunlap@infradead.org; Haiyang Zhang > <haiyangz@microsoft.com> > Cc: linux-kernel@vger.kernel.org; netdev@vger.kernel.org; Leon > Romanovsky <leonro@mellanox.com> > Subject: Re: linux-next: Tree for Aug 29 (mlx5) > > On Thu, 2019-08-29 at 12:55 -0700, Randy Dunlap wrote: > > On 8/29/19 12:54 PM, Randy Dunlap wrote: > > > On 8/29/19 4:08 AM, Stephen Rothwell wrote: > > > > Hi all, > > > > > > > > Changes since 20190828: > > > > > > > > > > on x86_64: > > > when CONFIG_PCI_HYPERV=m > > > > and CONFIG_PCI_HYPERV_INTERFACE=m > > > > Haiyang and Eran, I think CONFIG_PCI_HYPERV_INTERFACE was never > supposed to be a module ? it supposed to provide an always available > interface to drivers .. > > Anyway, maybe we need to imply CONFIG_PCI_HYPERV_INTERFACE in mlx5.
The symbolic dependency by driver mlx5e, automatically triggers loading of pci_hyperv_interface module. And this module can be loaded in any platforms.
Currently, mlx5e driver has #if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE) around the code using the interface.
I agree -- Adding "select PCI_HYPERV_INTERFACE" for mlx5e will clean up these #if's.
Thanks, - Haiyang
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