Re: [PATCH v3 05/11] x86/tracing: fix compat syscall handling

[Marcin Nowakowski]

On 12.10.2016 15:53, Thomas Gleixner wrote:
> On Tue, 11 Oct 2016, Marcin Nowakowski wrote:
> > -/*
> > - * Because ia32 syscalls do not map to x86_64 syscall numbers
> > - * this screws up the trace output when tracing a ia32 task.
> > - * Instead of reporting bogus syscalls, just do not trace them.
> > - *
> > - * If the user really wants these, then they should use the
> > - * raw syscall tracepoints with filtering.
>
> Why aren't you moving this information to the new place? It's valuable.

Well - much of this information is no longer true as with these fixes 
tracing can work properly, but I can keep a note clarifying that the 
numbers are mapped differently and why arch_syscall_addr() needs the 
sort of handling it does.

Marcin