linux-kernel - Re: [PATCH net-next 0/8] pds_core: Various improvements and AQ race condition cleanup

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Date: Fri, 5 Jan 2024 08:59:53 +0100
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Brett Creeley <brett.creeley@....com>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <shannon.nelson@....com>
Subject: Re: [PATCH net-next 0/8] pds_core: Various improvements and AQ race
 condition cleanup

On 1/4/24 18:12, Brett Creeley wrote:
> There can be many users of the pds_core's adminq. This includes
> pds_core's uses and any clients that depend on it. When the pds_core
> device goes through a reset for any reason the adminq is freed
> and reconfigured. There are some gaps in the current implementation
> that will cause crashes during reset if any of the previously mentioned
> users of the adminq attempt to use it after it's been freed. This series
> addresses these issues.
> 
> This series also includes some general cleanups.
> 
> Brett Creeley (8):
>    pds_core: Prevent health thread from running during reset/remove
>    pds_core: Cancel AQ work on teardown
>    pds_core: Use struct pdsc for the pdsc_adminq_isr private data
>    pds_core: Prevent race issues involving the adminq
>    pds_core: Clear BARs on reset
>    pds_core: Don't assign interrupt index/bound_intr to notifyq
>    pds_core: Unmask adminq interrupt in work thread
>    pds_core: Fix up some RCT issues
> 
>   drivers/net/ethernet/amd/pds_core/adminq.c  | 74 ++++++++++++++-------
>   drivers/net/ethernet/amd/pds_core/core.c    | 38 +++++++++--
>   drivers/net/ethernet/amd/pds_core/core.h    |  1 +
>   drivers/net/ethernet/amd/pds_core/debugfs.c |  8 +--
>   drivers/net/ethernet/amd/pds_core/dev.c     |  9 ++-
>   drivers/net/ethernet/amd/pds_core/devlink.c |  3 +-
>   drivers/net/ethernet/amd/pds_core/fw.c      |  3 +
>   drivers/net/ethernet/amd/pds_core/main.c    | 24 ++++++-
>   8 files changed, 123 insertions(+), 37 deletions(-)
> 

very nice series, I didn't spot any problems with the code,
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>