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From: Will Deacon <will.deacon@arm.com>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: [rcu:rcu/alpha 1/19] arch/sparc/include/asm/ptrace.h:102:6: error: implicit declaration of function 'unlikely'
Date: Fri, 20 Oct 2017 10:36:37 +0100	[thread overview]
Message-ID: <20171020093636.GB18282@arm.com> (raw)
In-Reply-To: <201710200544.b2SdiflF%fengguang.wu@intel.com>

Hi Paul,

On Fri, Oct 20, 2017 at 05:17:54AM +0800, kbuild test robot wrote:
>    In file included from arch/sparc/include/asm/processor_64.h:18:0,
>                     from arch/sparc/include/asm/processor.h:4,
>                     from include/linux/prefetch.h:14,
>                     from drivers/net/ethernet/emulex/benet/be_main.c:18:
>    arch/sparc/include/asm/ptrace.h: In function 'regs_get_register':
> >> arch/sparc/include/asm/ptrace.h:102:6: error: implicit declaration of function 'unlikely' [-Werror=implicit-function-declaration]
>      if (unlikely(offset >= MAX_REG_OFFSET))
>          ^~~~~~~~
>    cc1: some warnings being treated as errors

I'm not sure why I didn't get these reports from my tree, but there's a
fixup patch below.

Thanks,

Will

--->8

>From db5984f0878a013857299acd7e0fa406905d973c Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Fri, 20 Oct 2017 10:21:18 +0100
Subject: [PATCH] sparc64: ptrace: Include linux/compiler.h for unlikely()

Compiler.g is no longer implicitly included in asm/ptrace.h so pull it
in explicitly to get a definition for the unlikely() macro.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/sparc/include/asm/ptrace.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index d73428e4333c..b383484edcd3 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -6,6 +6,7 @@
 #if defined(__sparc__) && defined(__arch64__)
 #ifndef __ASSEMBLY__
 
+#include <linux/compiler.h>
 #include <linux/threads.h>
 #include <asm/switch_to.h>
 
-- 
2.1.4

  reply	other threads:[~2017-10-20  9:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-19 21:17 [rcu:rcu/alpha 1/19] arch/sparc/include/asm/ptrace.h:102:6: error: implicit declaration of function 'unlikely' kbuild test robot
2017-10-20  9:36 ` Will Deacon [this message]
2017-10-20 16:39   ` Paul E. McKenney
2017-10-20 16:43     ` Will Deacon
2017-10-20 16:51       ` Paul E. McKenney

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