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From: Stefan Weil <sw@weilnetz.de>
To: Anatoly Trosinenko <anatoly.trosinenko@gmail.com>,
	Richard Henderson <rth@twiddle.net>
Cc: qemu-devel@nongnu.org, qemu-trivial@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/1] tci: eliminate UB due to unaligned reads
Date: Sat, 3 Mar 2018 16:41:46 +0100	[thread overview]
Message-ID: <57abe9de-1258-3624-2f8a-882f1de1d19d@weilnetz.de> (raw)
In-Reply-To: <CAE5jQCcCA=3kkVa=5eMZs-BGAM_p4fZG+GPu1SmQMg7_sPAH5Q@mail.gmail.com>

Am 03.03.2018 um 15:07 schrieb Anatoly Trosinenko:
> Can rewriting TCI in such a way that every operation is aligned at 4- or
> even 8-byte boundary fix the situation or are there some more serious
> problems?

That's my preferred solution. Are there cases which would require 8-byte
alignment?

Richard, the discussion about non-portable calls to helper functions is
not new, but I still have no test case which fails. Do you think of a
special case (architecture, helper function)?

Stefan

  parent reply	other threads:[~2018-03-03 15:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-27 13:49 [Qemu-devel] [PATCH 0/1] Fix unaligned reads in the tcg/tci.c Anatoly Trosinenko
2018-01-27 13:49 ` [Qemu-devel] [PATCH 1/1] tci: eliminate UB due to unaligned reads Anatoly Trosinenko
2018-01-27 16:38   ` Stefan Weil
2018-01-28  6:42     ` Anatoly Trosinenko
2018-02-19 14:26       ` Anatoly Trosinenko
2018-03-03  8:54       ` Anatoly Trosinenko
2018-03-03 13:57         ` Richard Henderson
2018-03-03 14:07           ` Anatoly Trosinenko
2018-03-03 14:13             ` Richard Henderson
2018-03-03 14:59               ` Anatoly Trosinenko
2018-03-03 15:41             ` Stefan Weil [this message]
2018-03-03 16:01               ` Anatoly Trosinenko
2018-03-12 13:45               ` Richard Henderson
2018-02-05 13:52 ` [Qemu-devel] [PATCH 0/1] Fix unaligned reads in the tcg/tci.c Anatoly Trosinenko

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