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* linux-next 20201126 - build error on arm allmodconfig
@ 2020-11-26 13:25 Valdis Klētnieks
  2020-11-26 14:14 ` Russell King - ARM Linux admin
  0 siblings, 1 reply; 5+ messages in thread
From: Valdis Klētnieks @ 2020-11-26 13:25 UTC (permalink / raw)
  To: Andrey Ryabinin; +Cc: linux-arm-kernel, kasan-dev, linux-kernel


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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"... :)

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end of thread, other threads:[~2020-11-26 14:34 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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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
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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