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In-Reply-To: <20170729140901.5887-1-bsingharora@gmail.com>
References: <20170729140901.5887-1-bsingharora@gmail.com>
From: Balbir Singh <bsingharora@gmail.com>
Date: Sun, 30 Jul 2017 08:58:28 +1000
Message-ID: <CAKTCnznL9fxBq_xwm-z4yg_7muNKFJso26GMbEJCbSzN38N+fg@mail.gmail.com>
Subject: Re: [RFC PATCH v1] powerpc/radix/kasan: KASAN support for Radix
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Sender: owner-linux-mm@kvack.org
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To: Andrey Ryabinin <aryabinin@virtuozzo.com>, Michael Ellerman <mpe@ellerman.id.au>
Cc: kasan-dev@googlegroups.com, "open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)" <linuxppc-dev@lists.ozlabs.org>, linux-mm <linux-mm@kvack.org>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, Balbir Singh <bsingharora@gmail.com>

> +
> +extern struct static_key_false powerpc_kasan_enabled_key;
> +#define check_return_arch_not_ready() \
> +       do {                                                            \
> +               if (!static_branch_likely(&powerpc_kasan_enabled_key))  \
> +                       return;                                         \
> +       } while (0)

This is supposed to call __mem*() before returning, I'll do a new RFC,
I must have missed it in my rebasing somewhere

Balbir

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