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From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm <qemu-arm@nongnu.org>, QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PATCH v4 00/12] target/arm mte fixes
Date: Thu, 8 Apr 2021 07:25:19 -0700	[thread overview]
Message-ID: <18c76f1b-cba5-8205-b945-bb908d460bf2@linaro.org> (raw)
In-Reply-To: <CAFEAcA_9v7i1p59EThNPfuJHxXqwgavupV4otqaZMt9Q5d=SsA@mail.gmail.com>

On 4/8/21 5:47 AM, Peter Maydell wrote:
>> Richard Henderson (12):
>>    accel/tcg: Preserve PAGE_ANON when changing page permissions
>>    target/arm: Check PAGE_WRITE_ORG for MTE writeability
>>    target/arm: Fix mte_checkN
>>    target/arm: Split out mte_probe_int
>>    target/arm: Fix unaligned checks for mte_check1, mte_probe1
>>    test/tcg/aarch64: Add mte-5
>>    target/arm: Replace MTEDESC ESIZE+TSIZE with SIZEM1
>>    target/arm: Merge mte_check1, mte_checkN
>>    target/arm: Rename mte_probe1 to mte_probe
>>    target/arm: Simplify sve mte checking
>>    target/arm: Remove log2_esize parameter to gen_mte_checkN
>>    exec: Fix overlap of PAGE_ANON and PAGE_TARGET_1
> 
> So, what should we do with this series for 6.0 ? We'll be at rc3
> next week, and this big a change seems risky at this point
> in the cycle. Is there anything in here that's worth extracting
> as a for-6.0 change? (maybe patches 1, 2, 12?)

Definitely 12, since that broke BTI.

Patches 1 and 2 are certainly simple enough.

Otherwise... the rest would be nice to have.  It's quite isolated to mte=on. 
If you defer, I guess that's fine too -- the bug report did come in quite late.


r~


  reply	other threads:[~2021-04-08 14:27 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-06 17:40 [PATCH v4 00/12] target/arm mte fixes Richard Henderson
2021-04-06 17:40 ` [PATCH v4 01/12] accel/tcg: Preserve PAGE_ANON when changing page permissions Richard Henderson
2021-04-07 13:55   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 02/12] target/arm: Check PAGE_WRITE_ORG for MTE writeability Richard Henderson
2021-04-07 15:34   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 03/12] target/arm: Fix mte_checkN Richard Henderson
2021-04-07 18:39   ` Alex Bennée
2021-04-07 18:39     ` [Bug 1921948] " Alex Bennée
2021-04-07 19:56     ` Richard Henderson
2021-04-08  8:36       ` Alex Bennée
2021-04-08  8:36         ` [Bug 1921948] " Alex Bennée
2021-04-08  8:50     ` Peter Maydell
2021-04-08  8:50       ` [Bug 1921948] " Peter Maydell
2021-04-08 10:02       ` Alex Bennée
2021-04-08 10:02         ` [Bug 1921948] " Alex Bennée
2021-04-06 17:40 ` [PATCH v4 04/12] target/arm: Split out mte_probe_int Richard Henderson
2021-04-08  9:01   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 05/12] target/arm: Fix unaligned checks for mte_check1, mte_probe1 Richard Henderson
2021-04-08  9:05   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 06/12] test/tcg/aarch64: Add mte-5 Richard Henderson
2021-04-08  9:07   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 07/12] target/arm: Replace MTEDESC ESIZE+TSIZE with SIZEM1 Richard Henderson
2021-04-08 11:08   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 08/12] target/arm: Merge mte_check1, mte_checkN Richard Henderson
2021-04-08 11:10   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 09/12] target/arm: Rename mte_probe1 to mte_probe Richard Henderson
2021-04-08 11:10   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 10/12] target/arm: Simplify sve mte checking Richard Henderson
2021-04-08 11:23   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 11/12] target/arm: Remove log2_esize parameter to gen_mte_checkN Richard Henderson
2021-04-08 11:35   ` Alex Bennée
2021-04-06 17:40 ` [PATCH v4 12/12] exec: Fix overlap of PAGE_ANON and PAGE_TARGET_1 Richard Henderson
2021-04-06 18:21   ` Laurent Vivier
2021-04-06 19:36   ` Laurent Vivier
2021-04-07 17:16   ` Alex Bennée
2021-04-07 21:33   ` Nathan Chancellor
2021-04-06 17:57 ` [PATCH v4 00/12] target/arm mte fixes no-reply
2021-04-08 12:47 ` Peter Maydell
2021-04-08 14:25   ` Richard Henderson [this message]
2021-04-09  9:53     ` Peter Maydell
  -- strict thread matches above, loose matches on Subject: below --
2021-03-30 19:34 [Bug 1921948] [NEW] MTE tags not checked properly for unaligned accesses at EL1 Andrey Konovalov
2021-03-30 23:22 ` [Bug 1921948] " Richard Henderson
2021-03-30 23:32 ` Peter Collingbourne
2021-03-31  6:44 ` Richard Henderson
2021-04-02 15:41 ` Richard Henderson
2021-04-02 16:17 ` Andrey Konovalov
2021-04-02 16:31 ` Richard Henderson
2021-04-03 14:34 ` Andrey Konovalov
2021-04-07 20:17 ` Andrey Konovalov
2021-04-07 20:46 ` Alex Bennée
2021-04-07 20:58 ` Andrey Konovalov
2021-04-07 21:29   ` Alex Bennée
2021-04-07 21:29     ` Alex Bennée
2021-04-07 21:45     ` Alex Bennée
2021-04-07 21:45       ` Alex Bennée
2021-04-07 21:19 ` Richard Henderson
2021-04-07 22:02 ` Andrey Konovalov
2021-05-06 18:39 ` Richard Henderson
2021-05-22  5:12 ` Peter Collingbourne
2021-05-22  5:17 ` Peter Collingbourne
2021-05-26 19:55 ` Vitaly Buka
2021-06-10  2:28 ` Peter Collingbourne
2021-06-10  6:06 ` Thomas Huth

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