linux-kernel - Re: [GIT PULL] UAPI: perf fixes

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Date:	Tue, 13 Nov 2012 13:34:58 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Josh Boyer <jwboyer@...il.com>
Cc:	David Howells <dhowells@...hat.com>,
	xiaoguangrong@...ux.vnet.ibm.com, mingo@...nel.org,
	haodong@...ux.vnet.ibm.com, runzhen@...ux.vnet.ibm.com,
	dsahern@...il.com, tglx@...utronix.de, bp@...en8.de,
	namhyung@...il.com, torvalds@...ux-foundation.org,
	paulus@...ba.org, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [GIT PULL] UAPI: perf fixes

Em Tue, Nov 13, 2012 at 10:42:02AM -0500, Josh Boyer escreveu:
> On Tue, Nov 13, 2012 at 10:24 AM, David Howells <dhowells@...hat.com> wrote:
> > Josh Boyer <jwboyer@...il.com> wrote:
> > tools/perf/builtin-kvm.c became x86-only with the following commit:
> >
> >         commit bcf6edcd6fdb8965290f0b635a530fa3c6c212e1
> >         Author: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
> >         Date:   Mon Sep 17 16:31:15 2012 +0800
> >         Subject: perf kvm: Events analysis tool
> >
> > when it added:
> >
> >         +#include "../../arch/x86/include/asm/svm.h"
> >         +#include "../../arch/x86/include/asm/vmx.h"
> >         +#include "../../arch/x86/include/asm/kvm.h"
> >
> > and my changing these to <asm/foo.h> doesn't matter because of this in the
> > same file:
> >
> >         +struct exit_reasons_table vmx_exit_reasons[] = {
> >         +       VMX_EXIT_REASONS
> >         +};
> >         +
> >         +struct exit_reasons_table svm_exit_reasons[] = {
> >         +       SVM_EXIT_REASONS
> >         +};
> >
> > which use macros only x86 defines.
> 
> Ah.  You are quite right.  So your patches actually fix the unistd.h
> error we were seeing early and just got us far enough to hit this other
> unrelated problem.  My mistake.
> 
> > Should the exported parts of these files be moved to asm-generic?
> 
> Good question.

Probably we should do Makefile changes to build 'perf kvm' only on the
platforms where it makes sense.

- Arnaldo
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