On 2026/3/13 19:57, Peter Zijlstra wrote:
> On Fri, Mar 13, 2026 at 05:47:26PM +0800, Jinjie Ruan wrote:
>
>> Jinjie Ruan (11):
>> arm64/ptrace: Refactor syscall_trace_enter/exit() to accept flags
>> parameter
>> arm64/ptrace: Expand secure_computing() in place
>> arm64/ptrace: Use syscall_get_arguments() helper for audit
>> arm64: ptrace: Move rseq_syscall() before audit_syscall_exit()
>> arm64: syscall: Introduce syscall_exit_to_user_mode_work()
>> arm64/ptrace: Define and use _TIF_SYSCALL_EXIT_WORK
>> arm64/ptrace: Skip syscall exit reporting for PTRACE_SYSEMU_SINGLESTEP
>> arm64: entry: Convert to generic entry
>> arm64: Inline el0_svc_common()
>> s390: Rename TIF_SINGLE_STEP to TIF_SINGLESTEP
>> arm64: Use generic TIF bits for common thread flags
>>
>> kemal (1):
>> selftests: sud_test: Support aarch64
>>
>> arch/arm64/Kconfig | 3 +-
>> arch/arm64/include/asm/entry-common.h | 76 ++++++++++++
>> arch/arm64/include/asm/syscall.h | 19 ++-
>> arch/arm64/include/asm/thread_info.h | 76 ++++--------
>> arch/arm64/kernel/debug-monitors.c | 7 ++
>> arch/arm64/kernel/ptrace.c | 115 ------------------
>> arch/arm64/kernel/signal.c | 2 +-
>> arch/arm64/kernel/syscall.c | 29 ++---
>> arch/s390/include/asm/thread_info.h | 7 +-
>> arch/s390/kernel/process.c | 2 +-
>> arch/s390/kernel/ptrace.c | 20 +--
>> arch/s390/kernel/signal.c | 6 +-
>> arch/x86/include/asm/thread_info.h | 6 +-
>> include/asm-generic/thread_info_tif.h | 5 +
>> .../syscall_user_dispatch/sud_benchmark.c | 2 +-
>> .../syscall_user_dispatch/sud_test.c | 4 +
>> 16 files changed, 166 insertions(+), 213 deletions(-)
>
> AFAICT arm64 is still using exit_to_user_mode_prepare_legacy() after
> this. This cannot be right.
You are right. exit_to_user_mode_prepare_legacy() should be replaced
with irqentry_exit_to_user_mode_prepare().
>
