[PATCH v9 15/16] entry: Inline syscall_exit_work()

[Thomas Gleixner]

On Thu, Dec 11 2025 at 10:52, Kevin Brodsky wrote:
> On 11/12/2025 07:55, Thomas Gleixner wrote:
>> I have a suspicion that it is TIF_NOTIFY_RESUME. If that's the case
>> you're seing the RSEQ overhead, which should be completely gone with the
>> rewrite that got just merged into Linus tree.
>
> I don't think this is related. This patch inlines syscall_exit_work(),
> which is called if some flag in SYSCALL_WORK_EXIT is set. This includes
> syscall-specific stuff like tracing and singlestep. TIF_NOTIFY_RESUME is
> part of EXIT_TO_USER_MODE_WORK, handled in exit_to_user_mode_prepare(),
> and isn't specific to syscall handling.

Indeed. Confused myself.