Re: [RFC PATCH 4/9] mce: Add persistent events

[Steven Rostedt]

On Fri, 2010-08-06 at 16:57 +0200, Peter Zijlstra wrote:
> On Fri, 2010-08-06 at 16:25 +0200, Borislav Petkov wrote:
> > +static const struct file_operations perf_mce_fops = {
> > +       .llseek         = no_llseek,
> > +       .open           = mce_perf_open,
> > +       .poll           = perf_poll,
> > +       .unlocked_ioctl = perf_ioctl,
> > +       .compat_ioctl   = perf_ioctl,
> > +       .mmap           = perf_mmap,
> > +       .fasync         = perf_fasync,
> > +       .release        = perf_release,
> > +}; 
> 
> I'd rather see this part of the persistent bits live in
> kernel/perf_event.c, that way you don't need the previous patch either.
> 

This is part of what I hate about the perf design. The fact that
everything needs to be very coupled. I would like the infrastructure to
be more flexible.

If this does not work, we should have a better internal API that lets
this be done. Otherwise we will have this mce fops in core code that has
no business being there.

-- Steve


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