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

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Date:	Tue, 13 Nov 2012 15:24:31 +0000
From:	David Howells <dhowells@...hat.com>
To:	acme@...stprotocols.net, Josh Boyer <jwboyer@...il.com>,
	xiaoguangrong@...ux.vnet.ibm.com
Cc:	dhowells@...hat.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

Josh Boyer <jwboyer@...il.com> wrote:

> This patch seems to break building perf on ppc64.  It fails with:
> 
> + make -j16 -C tools/perf -s V=1 WERROR=0 HAVE_CPLUS_DEMANGLE=1 prefix=/usr all
> 
> <snip>
> 
> builtin-kvm.c:25:21: fatal error: asm/svm.h: No such file or directory

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.

Should the exported parts of these files be moved to asm-generic?

David
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