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Groups > linux.kernel > #1327932

[QUEUED v0 03/19] stm class: Select CONFIG_SRCU

From Alexander Shishkin <alexander.shishkin@linux.intel.com>
Newsgroups linux.kernel
Subject [QUEUED v0 03/19] stm class: Select CONFIG_SRCU
Date 2016-02-05 17:50 +0100
Message-ID <qYRK1-2JM-9@gated-at.bofh.it> (permalink)
References <qYRAm-2Gm-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Arnd Bergmann <arnd@arndb.de>

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")
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
---
 drivers/hwtracing/stm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hwtracing/stm/Kconfig b/drivers/hwtracing/stm/Kconfig
index 4c13762f2b..e0ac753955 100644
--- a/drivers/hwtracing/stm/Kconfig
+++ b/drivers/hwtracing/stm/Kconfig
@@ -1,6 +1,7 @@
 config STM
 	tristate "System Trace Module devices"
 	select CONFIGFS_FS
+	select SRCU
 	help
 	  A System Trace Module (STM) is a device exporting data in System
 	  Trace Protocol (STP) format as defined by MIPI STP standards.
-- 
2.7.0

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Thread

[QUEUED v0 00/19] stm class/intel_th: Patches in my queue Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 10/19] stm class: Use a signed return type for stm_find_master_chan Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 05/19] stm class: Fix link list locking Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 01/19] stm class: Hide STM-specific options if STM is disabled Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 06/19] stm class: Fix an off-by-one in master array allocation Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 07/19] stm class: Prevent user-controllable allocations Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 02/19] intel_th: INTEL_TH should depend on HAS_DMA Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 09/19] intel_th: pci: Add Broxton SOC support Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 11/19] intel_th: Depend on HAS_IOMEM Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 12/19] intel_th: gth: Remove commented-out code Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 08/19] intel_th: pci: Add Apollo Lake SOC support Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:40 +0100
  [QUEUED v0 03/19] stm class: Select CONFIG_SRCU Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 18/19] intel_th: Set root device's drvdata early Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 17/19] stm class: dummy_stm: Create multiple devices Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 16/19] stm class: Support devices with multiple instances Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 04/19] stm class: Fix locking in unbinding policy path Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 19/19] intel_th: Use real device index in the node names Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 13/19] intel_th: Update scratchpad bits according to enabled output activity Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 15/19] intel_th: sth: Sanitize packet callback's return values Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100
  [QUEUED v0 14/19] stm class: Use driver's packet callback's return value Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-02-05 17:50 +0100

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