linux-kernel - Re: [PATCH 3/4] tee: Remove call to get_kernel

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Message-ID: <20221003071718.GA1986@lst.de>
Date:   Mon, 3 Oct 2022 09:17:18 +0200
From:   Christoph Hellwig <hch@....de>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     ira.weiny@...el.com, Jens Wiklander <jens.wiklander@...aro.org>,
        Sumit Garg <sumit.garg@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Fabio M. De Francesco" <fmdefrancesco@...il.com>,
        Christoph Hellwig <hch@....de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        op-tee@...ts.trustedfirmware.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH 3/4] tee: Remove call to get_kernel_pages()

On Sun, Oct 02, 2022 at 01:46:41AM +0100, Al Viro wrote:
> IDGI.  The only thing in kiov[...] you are every reading is
> ->iov_base.  And you fetch it once, right after the assignment.

... and that's exactly what I pointed out on the last version of the
patch ...