Messages in this thread | | | Subject | Re: [PATCH v3 05/11] x86/tracing: fix compat syscall handling | From | Marcin Nowakowski <> | Date | Thu, 13 Oct 2016 08:32:38 +0200 |
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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
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