On Fri, Mar 13, 2026 at 05:47:37PM +0800, Jinjie Ruan 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). > > Signed-off-by: Jinjie Ruan <[email protected]> > --- > arch/arm64/Kconfig | 1 + > arch/arm64/include/asm/thread_info.h | 62 ++++++++++++--------------- > arch/s390/include/asm/thread_info.h | 7 ++-
Acked-by: Heiko Carstens <[email protected]> # s390 > arch/x86/include/asm/thread_info.h | 6 +-- > include/asm-generic/thread_info_tif.h | 5 +++ > 5 files changed, 38 insertions(+), 43 deletions(-) FWIW, I guess you want to do the same for loongarch was well?
