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Re: [PATCH v2 0/2] target/s390x: Fix SIGILL psw.addr reporting


From: Ilya Leoshkevich
Subject: Re: [PATCH v2 0/2] target/s390x: Fix SIGILL psw.addr reporting
Date: Tue, 01 Jun 2021 14:38:51 +0200
User-agent: Evolution 3.38.4 (3.38.4-1.fc33)

On Fri, 2021-05-21 at 13:19 +0200, Ilya Leoshkevich wrote:
> qemu-s390x puts a wrong value into SIGILL's siginfo_t's psw.addr: it
> should be a pointer to the instruction following the illegal
> instruction, but at the moment it is a pointer to the illegal
> instruction itself. This breaks OpenJDK, which relies on this value.
> 
> Patch 1 fixes the issue, patch 2 adds a test.
> 
> v1:
> https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg06592.html
> v1 -> v2: Use a better buglink (Cornelia), simplify the inline asm
>           magic in the test and add an explanation (David).
> 
> Ilya Leoshkevich (2):
>   target/s390x: Fix SIGILL psw.addr reporting
>   tests/tcg/s390x: Test SIGILL handling
> 
>  linux-user/s390x/cpu_loop.c     |  6 ++-
>  target/s390x/excp_helper.c      | 69 ++++++++++++++++++-------------
> --
>  target/s390x/internal.h         |  1 +
>  tests/tcg/s390x/Makefile.target |  1 +
>  tests/tcg/s390x/sigill.c        | 52 +++++++++++++++++++++++++
>  5 files changed, 96 insertions(+), 33 deletions(-)
>  create mode 100644 tests/tcg/s390x/sigill.c

Hi,

Is there anything I need to do to have this merged?

Regarding the style checker warning: I could move the function
declaration to a separate header, but from my perspective this would
make the test less readable.

Best regards,
Ilya




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