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Date:   Tue, 28 Mar 2023 21:38:03 +0100
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Jens Axboe <axboe@kernel.dk>, linux-fsdevel@vger.kernel.org,
        brauner@kernel.org
Subject: Re: [PATCH 5/8] IB/hfi1: make hfi1_write_iter() deal with ITER_UBUF
 iov_iter
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On Tue, Mar 28, 2023 at 11:43:34AM -0700, Linus Torvalds wrote:

> And if you go blind from looking at that patch, I will not accept
> responsibility.

... and all that, er, cleverness - for the sake of a single piece of shit
driver for piece of shit hardware *and* equally beautiful ABI.

Is it really worth bothering with?  And if anyone has doubts about the
inturdprize kwality of the ABI in question, I suggest taking a look at
hfi1_user_sdma_process_request() - that's where the horrors are.