Re: [patch V6 19/31] rseq: Provide and use rseq_update_user_cs()

[Steven Rostedt]

On Wed, 29 Oct 2025 22:00:37 +0100
Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> > Or am I missing something?  
> 
> Yes. None of this is compiled at all when CONFIG_RSEQ=n.
> 
> When CONFIG_RSEQ=y then the slowpath muck is compiled into kernel/rseq.c
> because that file defines RSEQ_BUILD_SLOW_PATH.

What I was missing was that the code was in a header file.

I mistook it as being part of rseq.c and not living in
include/linux/rseq_entry.h :-p

-- Steve