linux-kernel - Re: [PATCH v1 0/2] selftests/x86: Skip int80 if not supported

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Message-ID: <CAF3aWvHbSgDYxgFHF05FkEGQncMUXsuwMPDBCcoXUGoQgESuEg@mail.gmail.com>
Date: Mon, 12 Jan 2026 12:23:31 +0100
From: Sławomir Rosek <srosek@...gle.com>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H . Peter Anvin" <hpa@...or.com>, Shuah Khan <shuah@...nel.org>
Cc: Betty Zhou <bettyzhou@...gle.com>, Wake Liu <wakel@...gle.com>, 
	Kazuhiro Inaba <kinaba@...gle.com>, Jeff Xu <jeffxu@...gle.com>, 
	Alistair Delva <adelva@...gle.com>, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v1 0/2] selftests/x86: Skip int80 if not supported

On Wed, Dec 17, 2025 at 2:59 PM Slawomir Rosek <srosek@...gle.com> wrote:
>
> The IA32 Emulation support can be either removed from the kernel,
> disabled by default or disabled at runtime. Some of x86 selftests
> are crashing for all of above thus is_32bit_syscall_supported()
> helper is added to skip int80 syscalls if they are not supported.
>
> Slawomir Rosek (2):
>   selftests/x86/ldt_gdt: Skip int80 if not supported
>   selftests/x86/ptrace_syscall: Skip int80 if not supported

Hi all,

Just a gentle reminder, it would be really great if someone could take
a look. Thanks in advance.

Best regards,
S. Rosek

>
>  tools/testing/selftests/x86/ldt_gdt.c        | 21 +++++++++++++++++++-
>  tools/testing/selftests/x86/ptrace_syscall.c | 20 +++++++++++++++++--
>  2 files changed, 38 insertions(+), 3 deletions(-)
>
> --
> 2.52.0.305.g3fc767764a-goog
>