Re: [patch 05/16] kasan: fix hwasan build for gcc

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Subject: Re: [patch 05/16] kasan: fix hwasan build for gcc
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 9 Apr 2021 14:55:55 -0700
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Linux Memory Management List <linux-mm@xxxxxxxxx>, Masahiro Yamada <masahiroy@xxxxxxxxxx>, Michal Marek <michal.lkml@xxxxxxxxxxx>, mm-commits@xxxxxxxxxxxxxxx, Nathan Chancellor <nathan@xxxxxxxxxx>, Nick Desaulniers <ndesaulniers@xxxxxxxxxx>, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
In-reply-to: <CA+fCnZf1ABrQg0dsxtoZa9zM1BSbLYq_Xbu+xi9cv8WAZxdC2g@mail.gmail.com>
References: <20210409132633.6855fc8fea1b3905ea1bb4be@linux-foundation.org> <20210409202713.NIELx3Tx9%akpm@linux-foundation.org> <CA+fCnZf1ABrQg0dsxtoZa9zM1BSbLYq_Xbu+xi9cv8WAZxdC2g@mail.gmail.com>
Reply-to: linux-kernel@xxxxxxxxxxxxxxx

On Fri, Apr 9, 2021 at 1:39 PM Andrey Konovalov <andreyknvl@xxxxxxxxx> wrote:
>
> As I commented on the patch, this breaks SW_TAGS build with Clang for me with:
>
> arch/arm64/include/asm/current.h:19: undefined reference to `__hwasan_tls'

I've dropped this patch and the next one ("[PATCH 06/16] kasan: remove
redundant config option") that depended on it.

             Linus

References:
- incoming
  - From: Andrew Morton
- [patch 05/16] kasan: fix hwasan build for gcc
  - From: Andrew Morton
- Re: [patch 05/16] kasan: fix hwasan build for gcc
  - From: Andrey Konovalov

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