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Revision de5604231ce4bc8db1bc1dcd27d8540cbedf1518 authored by Nick Piggin on 01 February 2010, 11:24:18 UTC, committed by Linus Torvalds on 02 February 2010, 20:50:47 UTC 
mm: percpu-vmap fix RCU list walking
 
RCU list walking of the per-cpu vmap cache was broken.  It did not use
RCU primitives, and also the union of free_list and rcu_head is
obviously wrong (because free_list is indeed the list we are RCU
walking).

While we are there, remove a couple of unused fields from an earlier
iteration.

These APIs aren't actually used anywhere, because of problems with the
XFS conversion.  Christoph has now verified that the problems are solved
with these patches.  Also it is an exported interface, so I think it
will be good to be merged now (and Christoph wants to get the XFS
changes into their local tree).

Cc: stable@kernel.org
Cc: linux-mm@kvack.org
Tested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Nick Piggin <npiggin@suse.de>
--
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 489b24f
Raw File
Kconfig 
#
# Telephony device configuration
#

menuconfig PHONE
	tristate "Telephony support"
	depends on HAS_IOMEM
	---help---
	  Say Y here if you have a telephony card, which for example allows
	  you to use a regular phone for voice-over-IP applications.

	  Note: this has nothing to do with modems.  You do not need to say Y
	  here in order to be able to use a modem under Linux.

	  To compile this driver as a module, choose M here: the
	  module will be called phonedev.

if PHONE

config PHONE_IXJ
	tristate "QuickNet Internet LineJack/PhoneJack support"
	depends on ISA || PCI
	---help---
	  Say M if you have a telephony card manufactured by Quicknet
	  Technologies, Inc.  These include the Internet PhoneJACK and
	  Internet LineJACK Telephony Cards. You will get a module called
	  ixj.

	  For the ISA versions of these products, you can configure the
	  cards using the isapnp tools (pnpdump/isapnp) or you can use the
	  isapnp support.  Please read <file:Documentation/telephony/ixj.txt>.

	  For more information on these cards, see Quicknet's web site at:
	  <http://www.quicknet.net/>.

	  If you do not have any Quicknet telephony cards, you can safely
	  say N here.

config PHONE_IXJ_PCMCIA
	tristate "QuickNet Internet LineJack/PhoneJack PCMCIA support"
	depends on PHONE_IXJ && PCMCIA
	help
	  Say Y here to configure in PCMCIA service support for the Quicknet
	  cards manufactured by Quicknet Technologies, Inc.  This changes the
	  card initialization code to work with the card manager daemon.

endif # PHONE
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