Re: [PATCH v4 03/16] PCI/ATS: Restore EXPORT_SYMBOL_GPL() for pci_{enable,disable}_ats()

From: Joerg Roedel
Date: Fri Dec 20 2019 - 03:43:20 EST


Hi Bjorn,

On Thu, Dec 19, 2019 at 12:03:39PM +0000, Will Deacon wrote:
> From: Greg Kroah-Hartman <gregkh@xxxxxxxxxx>
>
> Commit d355bb209783 ("PCI/ATS: Remove unnecessary EXPORT_SYMBOL_GPL()")
> unexported a bunch of symbols from the PCI core since the only external
> users were non-modular IOMMU drivers. Although most of those symbols
> can remain private for now, 'pci_{enable,disable_ats()' is required for
> the ARM SMMUv3 driver to build as a module, otherwise we get a build
> failure as follows:
>
> | ERROR: "pci_enable_ats" [drivers/iommu/arm-smmu-v3.ko] undefined!
> | ERROR: "pci_disable_ats" [drivers/iommu/arm-smmu-v3.ko] undefined!
>
> Re-export these two functions so that the ARM SMMUv3 driver can be build
> as a module.
>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: Joerg Roedel <jroedel@xxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxx>
> [will: rewrote commit message]
> Signed-off-by: Will Deacon <will@xxxxxxxxxx>
> ---
> drivers/pci/ats.c | 2 ++
> 1 file changed, 2 insertions(+)

Are you fine with this change? I would apply this series to my tree
then.

Regards,

Joerg