Re: [PATCH 3/4] tee: Remove call to get_kernel_pages()

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To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 3/4] tee: Remove call to get_kernel_pages()
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 3 Oct 2022 09:17:18 +0200
Cc: ira.weiny@xxxxxxxxx, Jens Wiklander <jens.wiklander@xxxxxxxxxx>, Sumit Garg <sumit.garg@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Fabio M. De Francesco" <fmdefrancesco@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, op-tee@xxxxxxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <YzjfcW6OGcPP075q@ZenIV>
References: <20221002002326.946620-1-ira.weiny@intel.com> <20221002002326.946620-4-ira.weiny@intel.com> <YzjfcW6OGcPP075q@ZenIV>
User-agent: Mutt/1.5.17 (2007-11-01)

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 ...

Follow-Ups:
- Re: [PATCH 3/4] tee: Remove call to get_kernel_pages()
  - From: Ira Weiny

References:
- [PATCH 0/4] Remove get_kernel_pages()
  - From: ira . weiny
- [PATCH 3/4] tee: Remove call to get_kernel_pages()
  - From: ira . weiny
- Re: [PATCH 3/4] tee: Remove call to get_kernel_pages()
  - From: Al Viro

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