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Re: [PULL 0/5] tcg patch queue


From: Alex Bennée
Subject: Re: [PULL 0/5] tcg patch queue
Date: Fri, 20 Jan 2023 10:50:42 +0000
User-agent: mu4e 1.9.15; emacs 29.0.60

Thomas Huth <thuth@redhat.com> writes:

> On 16/01/2023 23.36, Richard Henderson wrote:
>> The following changes since commit fb7e7990342e59cf67dbd895c1a1e3fb1741df7a:
>>    tests/qtest/qom-test: Do not print tested properties by default
>> (2023-01-16 15:00:57 +0000)
>> are available in the Git repository at:
>>    https://gitlab.com/rth7680/qemu.git tags/pull-tcg-20230116
>> for you to fetch changes up to
>> 61710a7e23a63546da0071ea32adb96476fa5d07:
>>    accel/tcg: Split out cpu_exec_{setjmp,loop} (2023-01-16 10:14:12
>> -1000)
>> ----------------------------------------------------------------
>> - Reorg cpu_tb_exec around setjmp.
>> - Use __attribute__((target)) for buffer_is_zero.
>> - Add perfmap and jitdump for perf support.
>> ----------------------------------------------------------------
>> Ilya Leoshkevich (3):
>>        linux-user: Clean up when exiting due to a signal
>>        accel/tcg: Add debuginfo support
>>        tcg: add perfmap and jitdump
>> Richard Henderson (2):
>>        util/bufferiszero: Use __attribute__((target)) for avx2/avx512
>>        accel/tcg: Split out cpu_exec_{setjmp,loop}
>
>  Hi Richard, hi Ilya,
>
> with the recent QEMU master branch (commit 701ed34), I'm now seeing
> failures in Travis:
>
>  https://app.travis-ci.com/github/huth/qemu/jobs/593786529#L14411
>
> Everything was still fine a couple of days ago (commit fb7e799):
>
>  https://app.travis-ci.com/github/huth/qemu/builds/259755664
>
> ... so it seems this is likely related to this pull request. Could you
> please have a look?

Hmm maybe the code motion has revealed another form of the compiler bug.
I guess these bugs don't die, they just refract.

>
>  Thanks,
>   Thomas


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro



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