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From: Richard Henderson <richard.henderson@linaro.org>
To: Michael Tokarev <mjt@tls.msk.ru>, qemu-devel@nongnu.org
Cc: laurent@vivier.eu
Subject: Re: [PATCH] linux-user/i386: Properly align signal frame
Date: Sat, 5 Aug 2023 19:29:45 -0700	[thread overview]
Message-ID: <da2bf153-151a-baf1-7e7b-ab5f8ba5b3cc@linaro.org> (raw)
In-Reply-To: <cca0a698-2ce6-dcfa-129c-4a205287e1ca@tls.msk.ru>

On 8/5/23 14:56, Michael Tokarev wrote:
> 30.06.2023 20:53, Richard Henderson wrote:
>> Ping 2.
>>
>> On 6/20/23 15:26, Richard Henderson wrote:
>>> Ping.
>>>
>>> On 5/24/23 07:46, Richard Henderson wrote:
>>>> The beginning of the structure, with pretaddr, should be just below
>>>> 16-byte alignment.  Disconnect fpstate from sigframe, just like the
>>>> kernel does.
> 
> Whom we're pinging here? :)
> Ping 3 ;)
> 
> (This is https://gitlab.com/qemu-project/qemu/-/issues/1648 and is a
> -stable material too, it seems)

In the month since, I've discovered that fpstate needs even more work.
This is extremely fiddly stuff, and we need a complete rewrite to match the kernel and the 
required alignments.


r~


  reply	other threads:[~2023-08-06  2:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-24  5:46 [PATCH] linux-user/i386: Properly align signal frame Richard Henderson
2023-05-24  5:50 ` Richard Henderson
2023-05-26  2:56   ` fanwj--- via
2023-05-26 14:27     ` Richard Henderson
2023-06-20 13:26 ` Richard Henderson
2023-06-30 17:53   ` Richard Henderson
2023-07-02 18:41     ` Michael Tokarev
2023-08-05 21:56     ` Michael Tokarev
2023-08-06  2:29       ` Richard Henderson [this message]
2023-10-26  6:35 ` Michael Tokarev
2023-10-27  4:07   ` Richard Henderson

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