Re: [PATCH/RFC v1 0/2] Human readable performance eventdescription in sysfs
From: Peter Zijlstra
Date: Wed Jan 20 2010 - 09:17:05 EST
On Wed, 2010-01-20 at 15:09 +0100, MichaÅ Nazarewicz wrote:
> On Wed, 20 Jan 2010 15:01:20 +0100, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > It seems to me userspace might care about the exact platform they're
> > running on.
> In my humble opinion, user space should never care about platform it's
> running on. Interfaces provided by kernel should suffice to implement
> abstraction layer between user space and hardware. If we abandon that
> we're back in DOS times. But hey, again, that's just my opinion.
Well, you're completely right. But the often sad reality is that perfect
abstraction is either impossible or prohibitively expensive.
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