On Tue, Mar 17, 2026 at 9:20 AM Jinjie Ruan <[email protected]> wrote:
> Use the generic TIF bits defined in <asm-generic/thread_info_tif.h> for > standard thread flags (TIF_SIGPENDING, TIF_NEED_RESCHED, TIF_NOTIFY_RESUME, > TIF_RESTORE_SIGMASK, TIF_SINGLESTEP, etc.) instead of defining > them locally. > > Arm64-specific bits (TIF_FOREIGN_FPSTATE, TIF_MTE_ASYNC_FAULT, TIF_SVE, > TIF_SSBD, etc.) are renumbered to start at bit 16 to avoid conflicts. > > This enables RSEQ optimizations which require CONFIG_HAVE_GENERIC_TIF_BITS > combined with the generic entry infrastructure (already used by arm64). > > Cc: Thomas Gleixner <[email protected]> > Signed-off-by: Jinjie Ruan <[email protected]> Reviewed-by: Linus Walleij <[email protected]> Yours, Linus Walleij
