linux-kernel - Re: [PATCH] perfcounters: fix type/event

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Message-ID: <18884.55477.226691.317000@cargo.ozlabs.ibm.com>
Date:	Sat, 21 Mar 2009 23:08:21 +1100
From:	Paul Mackerras <paulus@...ba.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perfcounters: fix type/event_id layout on big-endian
 systems

Peter Zijlstra writes:

> Hmm, does userspace know about __BIG_ENDIAN_BITFIELD too? If not, we've
> got ourselves a problem here.

Yes, it does (I did test the patch), but I think going to explicit
shifting and masking will be better.

Paul.
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