Re: [PATCH 05/10] PCI/P2PDMA: Export pci_p2pdma_map_type() function

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On Tue, Jul 29, 2025 at 09:52:30AM +0200, Christoph Hellwig wrote:
> On Thu, Jul 24, 2025 at 11:13:21AM +0300, Leon Romanovsky wrote:
> > On Thu, Jul 24, 2025 at 10:03:13AM +0200, Christoph Hellwig wrote:
> > > On Wed, Jul 23, 2025 at 04:00:06PM +0300, Leon Romanovsky wrote:
> > > > From: Leon Romanovsky <leonro@xxxxxxxxxx>
> > > > 
> > > > Export the pci_p2pdma_map_type() function to allow external modules
> > > > and subsystems to determine the appropriate mapping type for P2PDMA
> > > > transfers between a provider and target device.
> > > 
> > > External modules have no business doing this.
> > 
> > VFIO PCI code is built as module. There is no way to access PCI p2p code
> > without exporting functions in it.
> 
> We never ever export anything for "external" modules, and you really
> should know that.

It is just a wrong word in commit message. I clearly need it for
vfio-pci module and nothing more.

"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's razor.

Thanks

> 
> 




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