linux-kernel - Re: linux-next: build failure after merge of the amdgpu tree

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Message-ID: <eOlxebs_u0NKPwzSFL2q48CRHVKEXqiWyoQcHWDsG5qHnhrrphhwczUtgd4bE1o1988Jja35uxf3pWwn2lU8I_5Tmyk1WzeKYQ7yi9qS4sc=@emersion.fr>
Date:   Mon, 11 Oct 2021 07:57:17 +0000
From:   Simon Ser <contact@...rsion.fr>
To:     Christoph Hellwig <hch@....de>
Cc:     Alex Deucher <alexdeucher@...il.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: linux-next: build failure after merge of the amdgpu tree

On Monday, October 11th, 2021 at 09:51, Christoph Hellwig <hch@....de> wrote:

> On Mon, Oct 11, 2021 at 07:49:44AM +0000, Simon Ser wrote:
> > Have you heard about the kernel no-regression rule? Here, we can't enable a new
> > feature because that would regress user-space which mis-uses the kernel uAPI.
>
> Then you can't enable the feature without an explicit opt-in from
> userspace.  This ain't rocket science.

No, we can't have a "I_AM_NOT_BROKEN" ioctl for each and every uAPI mis-use.
User-space detection has been determined to be the best course of action.

> > If your reply wasn't aggressive, I don't know what it is.
>
> If there is one thing I find agressive it is your extreme passive
> aggressive behavior.

Come on. I'm just asking you to be civil, that's all. But that seems too much.

* * *

I guess I'll just inline these functions in the driver then, if a revert will
be NACK'ed by you?