linux-kernel - Re: [PATCH 09/13] Move bp_type_idx to kernel/event/hw

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Date:	Thu, 17 Sep 2015 11:28:20 +0100
From:	David Howells <dhowells@...hat.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	dhowells@...hat.com, Peter Zijlstra <peterz@...radead.org>,
	mathieu.desnoyers@...icios.com,
	Palmer Dabbelt <palmer@...belt.com>, viro@...iv.linux.org.uk,
	ast@...mgrid.com, aishchuk@...ux.vnet.ibm.com, aarcange@...hat.com,
	akpm@...ux-foundation.org, luto@...nel.org, acme@...nel.org,
	bhe@...hat.com, 3chas3@...il.com, chris@...kel.net, dave@...1.net,
	dyoung@...hat.com, drysdale@...gle.com, davem@...emloft.net,
	ebiederm@...ssion.com, geoff@...radead.org,
	gregkh@...uxfoundation.org, hpa@...or.com, mingo@...nel.org,
	iulia.manda21@...il.com, plagnioj@...osoft.com, jikos@...nel.org,
	josh@...htriplett.org, kexec@...ts.infradead.org,
	linux-api@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	jcmvbkbc@...il.com, paulmck@...ux.vnet.ibm.com, tglx@...utronix.de,
	tomi.valkeinen@...com, vgoyal@...hat.com, x86@...nel.org,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 09/13] Move bp_type_idx to kernel/event/hw_breakpoint.c

Arnd Bergmann <arnd@...db.de> wrote:

> That seems unlikely to work, so I suspect it gets a different definition.
> If it uses this definition and it does work, we can probably use
> 
> #if defined(__KERNEL__) && defined(CONFIG_HAVE_MIXED_BREAKPOINTS_REGS)
> 
> but that requires a comment explaining exactly why that works.

Are you suggesting wrapping the entire construct in this within the UAPI
header?

David
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