Re: [PATCH v6 0/2] x86/fred: Prevent immediate repeat of single step trap on return from SIGTRAP handler

[Sohil Mehta]

On 6/9/2025 1:40 AM, Xin Li (Intel) wrote:
> 
> Xin Li (Intel) (2):
>   x86/fred/signal: Prevent immediate repeat of single step trap on
>     return from SIGTRAP handler
>   selftests/x86: Add a test to detect infinite SIGTRAP handler loop
> 

I see that Dave just applied the patches. Sending this out anyway since
I was done reviewing them.

Reviewed-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>


>  arch/x86/include/asm/sighandling.h         |  22 +++++
>  arch/x86/kernel/signal_32.c                |   4 +
>  arch/x86/kernel/signal_64.c                |   4 +
>  tools/testing/selftests/x86/Makefile       |   2 +-
>  tools/testing/selftests/x86/sigtrap_loop.c | 101 +++++++++++++++++++++
>  5 files changed, 132 insertions(+), 1 deletion(-)
>  create mode 100644 tools/testing/selftests/x86/sigtrap_loop.c
> 
> 
> base-commit: dd2922dcfaa3296846265e113309e5f7f138839f