On 2026-01-12 03:23, Sławomir Rosek wrote:
> On Wed, Dec 17, 2025 at 2:59 PM Slawomir Rosek <[email protected]> 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.
I think grepping the configuration and cmdline files is definitely not the way
to go.
For a solution that works on existing kernels, trapping SIGSEGV and calling
int $0x80 is probably the best way to probe.
-hpa
