[PATCH] kasan, mm: fix build issue with asmlinkage

[Valdis Klētnieks]

commit 2df573d2ca4c1ce6ea33cb7849222f771e759211
Author: Andrey Konovalov <andre...@google.com>
Date: Tue Nov 24 16:45:08 2020 +1100

kasan: shadow declarations only for software modes

introduces a build failure when it removed an include for linux/pgtable.h
It actually only needs linux/linkage.h

Test builds on both x86_64 and arm build cleanly

Fixes: 2df573d2ca4c ("kasan: shadow declarations only for software modes")
Signed-off-by: Valdis Kletnieks <valdis.k...@vt.edu>

---
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 83860aa4e89c..5e0655fb2a6f 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -12,6 +12,7 @@ struct task_struct;

#ifdef CONFIG_KASAN

+#include <linux/linkage.h>
#include <asm/kasan.h>

/* kasan_data struct is used in KUnit tests for KASAN expected failures */

[Marco Elver]

On Thu, 26 Nov 2020 at 16:00, Valdis Klētnieks <valdis.k...@vt.edu> wrote:
> commit 2df573d2ca4c1ce6ea33cb7849222f771e759211
> Author: Andrey Konovalov <andre...@google.com>
> Date: Tue Nov 24 16:45:08 2020 +1100
>
> kasan: shadow declarations only for software modes
>
> introduces a build failure when it removed an include for linux/pgtable.h
> It actually only needs linux/linkage.h
>
> Test builds on both x86_64 and arm build cleanly
>
> Fixes: 2df573d2ca4c ("kasan: shadow declarations only for software modes")
> Signed-off-by: Valdis Kletnieks <valdis.k...@vt.edu>

Reviewed-by: Marco Elver <el...@google.com>

Probably want to add

Link: https://lore.kernel.org/linux-arm-kernel/24105.1606397102@turing-police/

for more context, too.

Thanks,
-- Marco

> ---
> diff --git a/include/linux/kasan.h b/include/linux/kasan.h
> index 83860aa4e89c..5e0655fb2a6f 100644
> --- a/include/linux/kasan.h
> +++ b/include/linux/kasan.h
> @@ -12,6 +12,7 @@ struct task_struct;
>
> #ifdef CONFIG_KASAN
>
> +#include <linux/linkage.h>
> #include <asm/kasan.h>
>
> /* kasan_data struct is used in KUnit tests for KASAN expected failures */
>
>

> --
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[Andrey Konovalov]

On Mon, Nov 30, 2020 at 10:46 AM Marco Elver <el...@google.com> wrote:
>
> On Thu, 26 Nov 2020 at 16:00, Valdis Klētnieks <valdis.k...@vt.edu> wrote:
> > commit 2df573d2ca4c1ce6ea33cb7849222f771e759211
> > Author: Andrey Konovalov <andre...@google.com>
> > Date: Tue Nov 24 16:45:08 2020 +1100
> >
> > kasan: shadow declarations only for software modes
> >
> > introduces a build failure when it removed an include for linux/pgtable.h
> > It actually only needs linux/linkage.h
> >
> > Test builds on both x86_64 and arm build cleanly
> >
> > Fixes: 2df573d2ca4c ("kasan: shadow declarations only for software modes")
> > Signed-off-by: Valdis Kletnieks <valdis.k...@vt.edu>
>
> Reviewed-by: Marco Elver <el...@google.com>
>
> Probably want to add
>
> Link: https://lore.kernel.org/linux-arm-kernel/24105.1606397102@turing-police/
>
> for more context, too.

Reviewed-by: Andrey Konovalov <andre...@google.com>

Thank you, Valdis!