linux-kernel - Re: perf build failure on ARM with v3.13-8330-g4ba9920

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Date:	Mon, 27 Jan 2014 13:22:58 -0500
From:	Josh Boyer <jwboyer@...oraproject.org>
To:	Daniel Borkmann <dborkman@...hat.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	Francesco Fusco <ffusco@...hat.com>,
	Thomas Graf <tgraf@...hat.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: perf build failure on ARM with v3.13-8330-g4ba9920

On Mon, Jan 27, 2014 at 1:18 PM, Daniel Borkmann <dborkman@...hat.com> wrote:
> On 01/27/2014 07:17 PM, Josh Boyer wrote:
>>
>> Hi All,
>>
>> When building perf on ARM, we get a build failure because it can't
>> find #include <asm/hash.h> from the linux/hash.h file:
>>
>> gcc -o builtin-kvm.o -c  -Wbad-function-cast
>> -Wdeclaration-after-statement -Wformat-security -Wformat-y2k
>> -Winit-self -Wmissing-declarations -Wmissing-prototypes
>> -Wnested-externs -Wno-system-headers -Wold-style-definition -Wpacked
>> -Wredundant-decls -Wshadow -Wstrict-aliasing=3 -Wstrict-prototypes
>> -Wswitch-default -Wswitch-enum -Wundef -Wwrite-strings -Wformat
>> -DHAVE_PERF_REGS_SUPPORT -O6 -fno-omit-frame-pointer -ggdb3
>> -funwind-tables -Wall -Wextra -std=gnu99 -fstack-protector-all
>> -D_FORTIFY_SOURCE=2
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/perf/util/include
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/perf/arch/arm/include
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/include/
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/arch/arm/include/uapi
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/arch/arm/include
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/include/uapi
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/include
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/perf/util
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/perf
>>
>> -I/builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/lib/
>> -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
>> -DHAVE_LIBELF_SUPPORT -DHAVE_LIBELF_MMAP_SUPPORT
>> -DHAVE_ELF_GETPHDRNUM_SUPPORT -DHAVE_DWARF_SUPPORT
>> -DHAVE_LIBAUDIT_SUPPORT -I/usr/include/slang -DHAVE_SLANG_SUPPORT
>> -DHAVE_TIMERFD_SUPPORT -DHAVE_LIBBFD_SUPPORT -DHAVE_ON_EXIT_SUPPORT
>> -DHAVE_BACKTRACE_SUPPORT builtin-kvm.c
>> In file included from
>>
>> /builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/perf/util/include/linux/hash.h:1:0,
>>                   from builtin-lock.c:28:
>>
>> /builddir/build/BUILD/kernel-3.13.fc21/linux-3.14.0-0.rc0.git10.1.fc21.armv7hl/tools/perf/util/include/../../../../include/linux/hash.h:18:22:
>> fatal error: asm/hash.h: No such file or directory
>>   #include <asm/hash.h>
>>                        ^
>> compilation terminated.
>>
>> It looks like commit 71ae8aac3e19 ("lib: introduce arch optimized hash
>> library") added the asm/hash.h include, and then commit e3fec2f74f7f
>> ("lib: Add missing arch generic-y entries for asm-generic/hash.h")
>> added the asm-generic plumbing for arches that don't have that file in
>> asm/.  However, perf doesn't seem to be picking this up for some
>> reason.
>>
>> Does anyone have any ideas as to what could be going wrong here?
>
>
> (Patch was already submitted by Francesco to LKML today.)

So it was!  Thanks, I missed that in the sea of LKML.  Sorry for the noise.

josh
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