RE: [PATCH v9 2/3] trace,x86: add x86 irq vector tracepoints

[Seiji Aguchi]

OK. I will update my patch.

Seiji

> -----Original Message-----
> From: Steven Rostedt [mailto:rostedt@xxxxxxxxxxx]
> Sent: Tuesday, February 19, 2013 1:41 PM
> To: H. Peter Anvin
> Cc: Seiji Aguchi; x86@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Thomas Gleixner (tglx@xxxxxxxxxxxxx); 'mingo@xxxxxxx'
> (mingo@xxxxxxx); Borislav Petkov (bp@xxxxxxxxx); Satoru Moriya; dle-develop@xxxxxxxxxxxxxxxxxxxxx; linux-edac@xxxxxxxxxxxxxxx;
> Luck, Tony (tony.luck@xxxxxxxxx)
> Subject: Re: [PATCH v9 2/3] trace,x86: add x86 irq vector tracepoints
> 
> On Mon, 2013-02-18 at 20:39 -0800, H. Peter Anvin wrote:
> 
> > > static void switch_to_trace_idt(void *arg) {
> > >      load_idt(&trace_idt_descr);
> > > }
> > >
> > > static void restore_original_idt(void *arg) {
> > >      load_idt(this_cpu_ptr(&idt_descr));
> > > }
> > >
> >
> > Yes.  If there needs to be handshaking about whose IDT is currently
> > installed I'm much happier if that handshake is done explicitly,
> > rather than as a save/restore function which will break when we have
> > to add another one which for whatever reason isn't nesting.
> 
> Agreed.
> 
> Seiji, can you make the update?
> 
> Thanks,
> 
> -- Steve
> 

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