linux-kernel - Re: [PATCH] PCI/switchtec: Fix init_completion race condition with poll

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Date:   Tue, 17 Mar 2020 10:05:04 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Logan Gunthorpe <logang@...tatee.com>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: Re: [PATCH] PCI/switchtec: Fix init_completion race condition with poll_wait()

Logan Gunthorpe <logang@...tatee.com> writes:
> On 2020-03-16 6:56 p.m., Thomas Gleixner wrote:
>> @Bjorn: Can you please hold off on this for a few days until we sorted
>>         out the remaining issues to avoid potential merge conflicts
>>         vs. the completion series?
>
> I'd suggest simply rebasing the completion patch on this patch, or a
> patch like it. Then we'll have the proper bug fix commit and there won't
> be a conflict.

The conflict is not a question of rebasing or not. The conflict arises
when this patch is routed through PCI simply because then the rest of
the completion work is stuck until this hits mainline.

Thanks,

        tglx