[PATCH v6 2/2] bus/pci: fix secondary process save 'FD' problem

Chenbo Xia chenbox at nvidia.com
Mon Jul 15 04:24:20 CEST 2024


Hi David,

> On Jul 13, 2024, at 01:30, David Marchand <david.marchand at redhat.com> wrote:
> 
> External email: Use caution opening links or attachments
> 
> 
> Hello,
> 
> On Tue, Jul 2, 2024 at 9:40 AM Chaoyong He <chaoyong.he at corigine.com> wrote:
>> 
>> From: Zerun Fu <zerun.fu at corigine.com>
>> 
>> In the previous logic the 'fd' was only saved in the primary process,
>> but for some devices this value is also used in the secondary logic.
>> 
>> For example, the call of 'rte_pci_find_ext_capability()' will fail in
>> the secondary process.
>> 
>> Fix this problem by getting and saving the value of 'fd' also in the
>> secondary process logic.
>> 
>> Fixes: 9b957f378abf ("pci: merge uio functions for linux and bsd")
>> Cc: mukawa at igel.co.jp
>> Cc: stable at dpdk.org
>> 
>> Signed-off-by: Zerun Fu <zerun.fu at corigine.com>
>> Reviewed-by: Chaoyong He <chaoyong.he at corigine.com>
>> Reviewed-by: Long Wu <long.wu at corigine.com>
>> Reviewed-by: Peng Zhang <peng.zhang at corigine.com>
>> Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>
> 
> Chenbo,
> Are you ok with this fix?

Sorry that I was interrupted when I was reviewing this and later I forgot..

For this patch:

Reviewed-by: Chenbo Xia <chenbox at nvidia.com>

> 
> Thanks.
> 
> --
> David Marchand




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