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Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under

From: Thomas Huth
Subject: Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode
Date: Thu, 7 Feb 2019 14:09:00 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 2019-02-07 14:00, Giovanni Mascellani wrote:
> Hi,
> Il 07/02/19 13:15, Richard Henderson ha scritto:
>> See also
>>   https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06734.html
>> which I never followed up on the review changes requested.
> I can confirm that both patches (Thomas' and Richard's) work for me.
> Although they produce rather different results:
>  Thomas' patch:   around 6346926678828662276
>  Richard's patch: around 9048173079139739571
> They also appear to grow at different speeds, if I am not mistaken. I
> have no idea of what is correct, because I do not know s390x.

Both are wrong. I missed to add the TOD_UNIX_EPOCH offset, and Richard
missed to use the time2tod() conversion.

Anyway, I yield to Richard's patches since he posted his patches first
(unless he does not have any spare time to work on it at all, then I
could have another look).


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