Re: [PATCH v13 RESEND 12/14] asm-generic: Move TIF_SINGLESTEP to generic TIF bits

[Linus Walleij]

On Tue, Mar 17, 2026 at 9:20 AM Jinjie Ruan <ruanjinjie@xxxxxxxxxx> wrote:

> Currently, x86, ARM64, s390, and LoongArch all define and use
> TIF_SINGLESTEP to track single-stepping state.
>
> Since this flag is shared across multiple major architectures and serves
> a common purpose in the generic entry/exit paths, move TIF_SINGLESTEP
> into the generic Thread Information Flags (TIF) infrastructure.
>
> This consolidation reduces architecture-specific boilerplate code and
> ensures consistency for generic features that rely on single-step
> state tracking.
>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxx>
> Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx> # s390
> Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>

This is really neat, thanks for making the extra effort!
Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>

Yours,
Linus Walleij