linux-kernel - Re: [RFC][PATCH 0/5] tools, perf: Fix up for x86 UAPI disintegration

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Date:	Fri, 26 Oct 2012 13:33:19 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	David Howells <dhowells@...hat.com>
Cc:	Borislav Petkov <bp@...en8.de>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	mingo@...nel.org, tglx@...utronix.de, davem@...emloft.net,
	torvalds@...ux-foundation.org, paulus@...ba.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	x86@...nel.org
Subject: Re: [RFC][PATCH 0/5] tools, perf: Fix up for x86 UAPI disintegration

Hi David,

On Thu, 25 Oct 2012 08:57:20 +0100, David Howells wrote:
> Borislav Petkov <bp@...en8.de> wrote:
>
>> David, where can get that x86 UAPI disintegration patch?
>
> The tip tree has it in branch x86/uapi or you can get it from:
>
> 	git://git.infradead.org/users/dhowells/linux-headers.git
>
> branch disintegrate-x86 or tag disintegrate-x86-20121009.
>
> I've posted a couple of additional patches to deal with files that became
> empty, but they're only for dealing with people who construct their kernel
> sources with the patch program.

I applied this series on top of you disintegrate-x86 branch which has
following commit.

commit 8d2c63c2b664bae1fb0f386661ea5f635330e570
Author: David Howells <dhowells@...hat.com>
Date:   Tue Oct 9 09:47:54 2012 +0100

    UAPI: (Scripted) Disintegrate arch/x86/include/asm
    
    Signed-off-by: David Howells <dhowells@...hat.com>
    Acked-by: Arnd Bergmann <arnd@...db.de>
    Acked-by: Thomas Gleixner <tglx@...utronix.de>
    Acked-by: Michael Kerrisk <mtk.manpages@...il.com>
    Acked-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
    Acked-by: Dave Jones <davej@...hat.com>


But I got a conflict like this:

--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@@ -112,7 -102,7 +102,11 @@@ void get_term_dimensions(struct winsiz
  #include <sys/types.h>
  #include <sys/syscall.h>
  
++<<<<<<< HEAD
 +#include "../../include/linux/perf_event.h"
++=======
+ #include <linux/perf_event.h>
++>>>>>>> perf: Make perf build for x86 with UAPI disintegration applied
  #include "util/types.h"
  #include <stdbool.h>

This was because your patch 3 has "uapi" between "include" and "linux".
It seems I need more patches to apply your series since there's no
perf_event.h under ../../include/uapi/linux directory.

Anyways, resolving the conflict resulted in build error:

    CC builtin-kvm.o
builtin-kvm.c:25:21: fatal error: asm/svm.h: No such file or directory
make: *** [builtin-kvm.o] Error 1

    CC util/evsel.o
In file included from util/perf_regs.h:5:0,
                 from util/evsel.c:23:
arch/x86/include/perf_regs.h:6:27: fatal error: asm/perf_regs.h: No such file or directory
make: *** [util/evsel.o] Error 1

    CC util/rbtree.o
../../lib/rbtree.c:24:36: fatal error: linux/rbtree_augmented.h: No such file or directory
make: *** [util/rbtree.o] Error 1

    CC util/header.o
util/header.c:2276:8: error: ‘PERF_ATTR_SIZE_VER3’ undeclared here (not in a function)
make: *** [util/header.o] Error 1


Thanks,
Namhyung
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