From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: linux-next 20201126 - build error on arm allmodconfig
Date: Thu, 26 Nov 2020 14:14:29 +0000 [thread overview]
Message-ID: <20201126141429.GL1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <24105.1606397102@turing-police>
On Thu, Nov 26, 2020 at 08:25:02AM -0500, Valdis Klētnieks wrote:
> Seems something is giving it indigestion regarding asmlinkage...
>
> CC arch/arm/mm/kasan_init.o
> In file included from ./include/linux/kasan.h:15,
> from arch/arm/mm/kasan_init.c:11:
> ./arch/arm/include/asm/kasan.h:26:11: error: expected ';' before 'void'
> asmlinkage void kasan_early_init(void);
> ^~~~~
> ;
> make[2]: *** [scripts/Makefile.build:283: arch/arm/mm/kasan_init.o] Error 1
> make[1]: *** [scripts/Makefile.build:500: arch/arm/mm] Error 2
> make: *** [Makefile:1803: arch/arm] Error 2
>
> Git bisect points at:
>
> commit 2df573d2ca4c1ce6ea33cb7849222f771e759211
> Author: Andrey Konovalov <andreyknvl@google.com>
> Date: Tue Nov 24 16:45:08 2020 +1100
>
> kasan: shadow declarations only for software modes
>
> Looks like it's this chunk:
>
> diff --git a/include/linux/kasan.h b/include/linux/kasan.h
> index 59538e795df4..26f2ab92e7ca 100644
> --- a/include/linux/kasan.h
> +++ b/include/linux/kasan.h
> @@ -11,7 +11,6 @@ struct task_struct;
>
> #ifdef CONFIG_KASAN
>
> -#include <linux/pgtable.h>
> #include <asm/kasan.h>
>
> Testing shows putting that #include back in makes it compile correctly,
> but it's not obvious why putting that back makes 'asmlinkage' recognized.
>
> "You are in a twisty little maze of #includes, all different"... :)
The real answer is for asm/kasan.h to include linux/linkage.h
--
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next prev parent reply other threads:[~2020-11-26 14:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-26 13:25 linux-next 20201126 - build error on arm allmodconfig Valdis Klētnieks
2020-11-26 14:14 ` Russell King - ARM Linux admin [this message]
2020-11-26 14:18 ` Valdis Klētnieks
2020-11-26 14:22 ` Valdis Klētnieks
2020-11-26 14:32 ` Russell King - ARM Linux admin
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