linux-kernel - Re: [PATCH] stm: select CONFIG

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Message-ID: <877flgg2j3.fsf@ashishki-desk.ger.corp.intel.com>
Date:	Tue, 17 Nov 2015 15:48:32 +0200
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] stm: select CONFIG_SRCU

Arnd Bergmann <arnd@...db.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@...db.de>
> Fixes: 7bd1d4093c2f ("stm class: Introduce an abstraction for System Trace Module devices")

Thanks!
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