From: Alexander Shishkin <alexander.shishkin@linux.intel.com>
To: Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-arm-kernel@lists.infradead.org,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] stm: select CONFIG_SRCU
In-Reply-To: <12747713.N26XusNZpW@wuerfel>
References: <12747713.N26XusNZpW@wuerfel>
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Date: Tue, 17 Nov 2015 15:48:32 +0200
Message-ID: <877flgg2j3.fsf@ashishki-desk.ger.corp.intel.com>
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Arnd Bergmann <arnd@arndb.de> writes:

> The newly added STM code uses SRCU, but does not ensure that
> this code is part of the kernel:
>
> drivers/built-in.o: In function `stm_source_link_show':
> include/linux/srcu.h:221: undefined reference to `__srcu_read_lock'
> include/linux/srcu.h:238: undefined reference to `__srcu_read_unlock'
> drivers/built-in.o: In function `stm_source_link_drop':
> include/linux/srcu.h:221: undefined reference to `__srcu_read_lock'
> include/linux/srcu.h:238: undefined reference to `__srcu_read_unlock'
>
> This adds a Kconfig 'select' statement like all the other SRCU using
> drivers have.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Fixes: 7bd1d4093c2f ("stm class: Introduce an abstraction for System Trace Module devices")

Thanks!
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