linux-kernel - Re: [PATCH v3 0/5] PCI: Endpoint: Miscellaneous improvements

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Message-ID: <20200224103436.GA8764@e121166-lin.cambridge.arm.com>
Date:   Mon, 24 Feb 2020 10:34:36 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/5] PCI: Endpoint: Miscellaneous improvements

On Mon, Feb 24, 2020 at 03:23:33PM +0530, Kishon Vijay Abraham I wrote:
> Changes from v2:
> *) Added "Tested-by" tag from Vidya Sagar
> *) Added stable fixes tag to "Fix for concurrent memory allocation in
>    OB address region"
>    
> Changes from v1:
> Rebased to Linux 5.6-rc1 and removed dependencies to my other series
> to unblock [1]
> 
> [1] -> http://lore.kernel.org/r/20200103100736.27627-1-vidyas@nvidia.com
> 
> v1 of this patch series can be found @
> http://lore.kernel.org/r/20191231100331.6316-1-kishon@ti.com
> 
> This series adds miscellaneous improvements to PCIe endpoint core.
> 1) Protect concurrent access to memory allocation in pci-epc-mem
> 2) Replace spinlock with mutex in pci-epc-core and also use
>    notification chain mechanism to notify EPC events to EPF driver.
> 3) Since endpoint function device can be created by multiple
>    mechanisms (configfs, devicetree, etc..), allowing each of these
>    mechanisms to assign a function number would result in mutliple
>    endpoint function devices having the same function number. In order
>    to avoid this, let EPC core assign a function number to the
>    endpoint device.
> 
> Kishon Vijay Abraham I (5):
>   PCI: endpoint: Use notification chain mechanism to notify EPC events
>     to EPF
>   PCI: endpoint: Replace spinlock with mutex
>   PCI: endpoint: Fix for concurrent memory allocation in OB address
>     region
>   PCI: endpoint: Protect concurrent access to pci_epf_ops with mutex
>   PCI: endpoint: Assign function number for each PF in EPC core
> 
>  drivers/pci/endpoint/functions/pci-epf-test.c |  13 +-
>  drivers/pci/endpoint/pci-ep-cfs.c             |  27 +----
>  drivers/pci/endpoint/pci-epc-core.c           | 113 ++++++++----------
>  drivers/pci/endpoint/pci-epc-mem.c            |  10 +-
>  drivers/pci/endpoint/pci-epf-core.c           |  33 ++---
>  include/linux/pci-epc.h                       |  19 ++-
>  include/linux/pci-epf.h                       |   9 +-
>  7 files changed, 108 insertions(+), 116 deletions(-)

Applied to pci/endpoint for v5.7, thanks.

Lorenzo