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SubjectRe: [PATCH] PCI/P2PDMA: Save a few cycles in 'pci_alloc_p2pmem()'
On Wed, Dec 15, 2021 at 02:51:51PM -0700, Logan Gunthorpe wrote:
>
>
> On 2021-12-15 2:47 p.m., Bjorn Helgaas wrote:
> > On Wed, Dec 15, 2021 at 02:37:51PM -0700, Logan Gunthorpe wrote:
> >> On 2021-12-15 10:35 a.m., Bjorn Helgaas wrote:
> >>> Maybe we need a MAINTAINERS entry for P2PDMA?
> >>
> >> I'm not opposed to this. Would it be a duplicate of the PCI SUBSYSTEM
> >> just with my name added as maintainer? I could send a patch if so.
> >
> > Maybe something like this? Are there other relevant files? I just
> > want to make sure that you see updates to p2pdma stuff.
>
> Largely looks good to me.
>
> The one missing file is:
>
> Documentation/driver-api/pci/p2pdma.rst
>
> Do you want me to put that in a patch or will you handle it?

I put the patch below on pci/p2pdma for v5.17, let me know if you want
any other tweaks.

I had mistakenly included these, which don't include any P2PDMA
content, so I dropped them so you don't get inundated with other
random changes:

+F: Documentation/PCI/
+F: Documentation/devicetree/bindings/pci/

commit bdebed96bd4d ("MAINTAINERS: Add Logan Gunthorpe as P2PDMA maintainer")
Author: Bjorn Helgaas <bhelgaas@google.com>
Date: Wed Dec 15 15:43:04 2021 -0600

MAINTAINERS: Add Logan Gunthorpe as P2PDMA maintainer

Add a P2PDMA entry to make sure Logan is aware of changes to that area.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a2345ce8521..ea59e32e1e81 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14717,6 +14717,19 @@ L: linux-pci@vger.kernel.org
S: Supported
F: Documentation/PCI/pci-error-recovery.rst

+PCI PEER-TO-PEER DMA (P2PDMA)
+M: Bjorn Helgaas <bhelgaas@google.com>
+M: Logan Gunthorpe <logang@deltatee.com>
+L: linux-pci@vger.kernel.org
+S: Supported
+Q: https://patchwork.kernel.org/project/linux-pci/list/
+B: https://bugzilla.kernel.org
+C: irc://irc.oftc.net/linux-pci
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
+F: Documentation/driver-api/pci/p2pdma.rst
+F: drivers/pci/p2pdma.c
+F: include/linux/pci-p2pdma.h
+
PCI MSI DRIVER FOR ALTERA MSI IP
M: Joyce Ooi <joyce.ooi@intel.com>
L: linux-pci@vger.kernel.org
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