From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Abbott Liu <liuwenliang@huawei.com>
Cc: aryabinin@virtuozzo.com, dvyukov@google.com,
Jonathan Corbet <corbet@lwn.net>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
christoffer.dall@linaro.org, marc.zyngier@arm.com,
kstewart@linuxfoundation.org, gregkh@linuxfoundation.org,
f.fainelli@gmail.com, Andrew Morton <akpm@linux-foundation.org>,
linux@rasmusvillemoes.dk, mawilcox@microsoft.com,
pombredanne@nexb.com, ard.biesheuvel@linaro.org,
vladimir.murzin@arm.com, alexander.levin@verizon.com,
tglx@linutronix.de, thgarnie@google.com, dhowells@redhat.com,
keescook@chromium.org, Arnd Bergmann <arnd@arndb.de>,
geert@linux-m68k.org, tixy@linaro.org, julien.thierry@arm.com,
mark.rutland@arm.com, james.morse@arm.com,
zhichao.huang@linaro.org, jinb.park7@gmail.com,
labbott@redhat.com, philip@cog.systems,
grygorii.strashko@linaro.org,
Catalin Marinas <catalin.marinas@arm.com>,
opendmb@gmail.com, kirill.shutemov@linux.intel.com,
kasan-dev@googlegroups.com, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-mm@kvack.org
Subject: Re: [PATCH v3 5/6] Initialize the mapping of KASan shadow memory
Date: Mon, 2 Apr 2018 14:08:13 -0400 (EDT) [thread overview]
Message-ID: <nycvar.YSQ.7.76.1804021402521.28462@knanqh.ubzr> (raw)
In-Reply-To: <20180402120440.31900-6-liuwenliang@huawei.com>
On Mon, 2 Apr 2018, Abbott Liu wrote:
> index c79b829..20161e2 100644
> --- a/arch/arm/kernel/head-common.S
> +++ b/arch/arm/kernel/head-common.S
> @@ -115,6 +115,9 @@ __mmap_switched:
> str r8, [r2] @ Save atags pointer
> cmp r3, #0
> strne r10, [r3] @ Save control register values
> +#ifdef CONFIG_KASAN
> + bl kasan_early_init
> +#endif
> mov lr, #0
> b start_kernel
> ENDPROC(__mmap_switched)
Would be better if lr was cleared before calling kasan_early_init.
Nicolas
next prev parent reply other threads:[~2018-04-02 18:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-02 12:04 [PATCH v3 0/6] KASan for arm Abbott Liu
2018-04-02 12:04 ` [PATCH v3 1/6] Add TTBR operator for kasan_init Abbott Liu
2018-04-02 12:04 ` [PATCH v3 2/6] Disable instrumentation for some code Abbott Liu
2018-04-03 11:30 ` Marc Zyngier
2018-04-03 11:38 ` Russell King - ARM Linux
2018-04-02 12:04 ` [PATCH v3 3/6] Replace memory function for kasan Abbott Liu
2018-04-02 12:04 ` [PATCH v3 4/6] Define the virtual space of KASan's shadow region Abbott Liu
2018-04-02 12:04 ` [PATCH v3 5/6] Initialize the mapping of KASan shadow memory Abbott Liu
2018-04-02 18:08 ` Nicolas Pitre [this message]
2018-04-02 18:15 ` Russell King - ARM Linux
2018-04-02 18:20 ` Nicolas Pitre
2018-04-02 12:04 ` [PATCH v3 6/6] Enable KASan for arm Abbott Liu
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