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2009-03-13x86: unify 32 and 64-bit node_to_cpumask_mapRusty Russell
Impact: cleanup We take the 64-bit code and use it on 32-bit as well. The new file is called mm/numa.c. In a minor cleanup, we use cpu_none_mask instead of declaring a local cpu_mask_none. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: remove x86's node_to_cpumask now everyone uses cpumask_of_nodeRusty Russell
Impact: cleanup Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13x86: arch_send_call_function_ipi_maskRusty Russell
Impact: implement new API We define arch_send_call_function_ipi_mask and generic kernel/smp.c code creates arch_send_call_function_ipi() as a wrapper. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: convert arch/x86/kernel/cpu/mcheck/mce_64.cRusty Russell
Impact: reduce kernel memory usage when CONFIG_CPUMASK_OFFSTACK=y Simple conversion of mce_device_initialized to cpumask_var_t. We don't check the alloc_cpumask_var() return since it's boot-time only, and the misc_register() in that same function isn't checked. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: x86: convert cpu_sibling_map/cpu_core_map to cpumask_var_tRusty Russell
Impact: reduce per-cpu size for CONFIG_CPUMASK_OFFSTACK=y In most places it's cleaner to use the accessors cpu_sibling_mask() and cpu_core_mask() wrappers which already exist. I couldn't avoid cleaning up the access in oprofile, either. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: convert arch/x86/kernel/nmi.c's backtrace_mask to a cpumask_var_tRusty Russell
Impact: cleanup, reduce memory usage for CONFIG_CPUMASK_OFFSTACK=y I *think* every path calls check_nmi_watchdog before using the watchdog, so that's the right place for the initialization. If that's wrong, we'll get a nice NULL-deref with CONFIG_CPUMASK_OFFSTACK=y, and have uncovered another bug. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: convert c1e_mask in arch/x86/kernel/process.c to cpumask_var_t.Rusty Russell
Impact: reduce kernel size when CONFIG_CPUMASK_OFFSTACK=y Simple conversion. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: remove obsolete topology_core_siblings and ↵Rusty Russell
topology_thread_siblings: x86 Impact: cleanup There were replaced by topology_core_cpumask and topology_thread_cpumask. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: remove cpu_coregroup_map: x86Rusty Russell
Impact: cleanup cpu_coregroup_mask is the New Hotness. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: remove the now-obsoleted pcibus_to_cpumask(): x86Rusty Russell
Impact: reduce stack usage for large NR_CPUS cpumask_of_pcibus() is the new version. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL.: x86Rusty Russell
Impact: cleanup (Thanks to Al Viro for reminding me of this, via Ingo) CPU_MASK_ALL is the (deprecated) "all bits set" cpumask, defined as so: #define CPU_MASK_ALL (cpumask_t) { { ... } } Taking the address of such a temporary is questionable at best, unfortunately 321a8e9d (cpumask: add CPU_MASK_ALL_PTR macro) added CPU_MASK_ALL_PTR: #define CPU_MASK_ALL_PTR (&CPU_MASK_ALL) Which formalizes this practice. One day gcc could bite us over this usage (though we seem to have gotten away with it so far). So replace everywhere which used &CPU_MASK_ALL or CPU_MASK_ALL_PTR with the modern "cpu_all_mask" (a real const struct cpumask *), and remove CPU_MASK_ALL_PTR altogether. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hu> Reported-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Mike Travis <travis@sgi.com>
2009-03-13cpumask: replace node_to_cpumask with cpumask_of_node.Rusty Russell
Impact: cleanup node_to_cpumask (and the blecherous node_to_cpumask_ptr which contained a declaration) are replaced now everyone implements cpumask_of_node. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-13cpumask: use topology_core_cpumask/topology_thread_cpumask instead of ↵Rusty Russell
cpu_core_map/cpu_sibling_map Impact: cleanup This is presumably what those definitions are for, and while all archs define cpu_core_map/cpu_sibling map, that's changing (eg. x86 wants to change it to a pointer). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-11Merge branch 'x86/core' into cpus4096Ingo Molnar
2009-03-11Merge branches 'x86/cleanups', 'x86/kexec', 'x86/mce2' and 'linus' into x86/coreIngo Molnar
2009-03-11x86: convert obsolete irq_desc_t typedef to struct irq_descThomas Gleixner
Impact: cleanup Convert the last remaining users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-03-10x86, mce: use round_jiffies() instead round_jiffies_relative()KOSAKI Motohiro
Impact: saving power _very_ little round_jiffies() round up absolute jiffies to full second. round_jiffies_relative() round up relative jiffies to full second. The "t->expires" is absolute jiffies. Then, round_jiffies() should be used instead round_jiffies_relative(). Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-10x86, kexec: x86_64: add kexec jump support for x86_64Huang Ying
Impact: New major feature This patch add kexec jump support for x86_64. More information about kexec jump can be found in corresponding x86_32 support patch. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-10x86, kexec: x86_64: add identity map for pages at image->startHuang Ying
Impact: Fix corner case that cannot yet occur image->start may be outside of 0 ~ max_pfn, for example when jumping back to original kernel from kexeced kenrel. This patch add identity map for pages at image->start. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-10x86, kexec: fix kexec x86 coding styleHuang Ying
Impact: Cleanup Fix some coding style issue for kexec x86. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-03-10i810: fix kernel crash fix when struct fb_var_screeninfo is suppliedSamuel CUELLA
Prevent the kernel from being crashed by a divide-by-zero operation when supplied an incorrectly filled 'struct fb_var_screeninfo' from userland. Previously i810_main.c:1005 (i810_check_params) was using the global 'yres' symbol previously defined at i810_main.c:145 as a module parameter value holder (i810_main.c:2174). If i810fb is compiled-in or if this param doesn't get a default value, this direct usage leads to a divide-by-zero at i810_main.c:1005 (i810_check_params). The patch simply replace the 'yres' global, perhaps undefined symbol usage by a given parameter structure lookup. This problem occurs with directfb, mplayer -vo fbdev, SDL library. It was also reported ( but non solved ) at: http://mail.directfb.org/pipermail/directfb-dev/2008-March/004050.html Signed-off-by: Samuel CUELLA <samuel.cuella@supinfo.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10m68knommu: m528x build fixSteven King
There isn't any mcfqspi.h in the tree, and without it everything inside the #ifdef CONFIG_SPI is uncompilable. Signed-off-by: Steven King <sfking@fdwdc.com> Acked-by: Greg Ungerer <gerg@snapgear.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10m68knommu: m5206e build fixSteven King
Signed-off-by: Steven King <sfking@fdwdc.com> Acked-by: Greg Ungerer <gerg@snapgear.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10rcu: documentation 1Q09 updatePaul E. McKenney
Update the RCU documentation to call out the need for callers of primitives like call_rcu() and synchronize_rcu() to prevent subsequent RCU readers from hazard. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10kernel/user.c: fix a memory leak when freeing up non-init usernamespaces usersDhaval Giani
We were returning early in the sysfs directory cleanup function if the user belonged to a non init usernamespace. Due to this a lot of the cleanup was not done and we were left with a leak. Fix the leak. Reported-by: Serge Hallyn <serue@linux.vnet.ibm.com> Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Tested-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10mtd: physmap: fix NULL pointer dereference in error pathAtsushi Nemoto
commit e480814f138cd5d78a8efe397756ba6b6518fdb6 ("[MTD] [MAPS] physmap: fix wrong free and del_mtd_{partition,device}") introduces a NULL pointer dereference in physmap_flash_remove when called from the error path in physmap_flash_probe (if map_probe failed). Call del_mtd_{partition,device} only if info->cmtd was not NULL. Reported-by: pHilipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: David Woodhouse <dwmw2@infradead.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10intel-agp: fix a panic with 1M of shared memory, no GTT entriesLubomir Rintel
When GTT size is equal to amount of video memory, the amount of GTT entries is computed lower than zero, which is invalid and leads to off-by-one error in intel_i915_configure() Originally posted here: http://bugzilla.kernel.org/show_bug.cgi?id=12539 http://bugzilla.redhat.com/show_bug.cgi?id=445592 Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Cc: Lubomir Rintel <lkundrak@v3.sk> Cc: Dave Airlie <airlied@linux.ie> Reviewed-by: Eric Anholt <eric@anholt.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10mtd_dataflash: fix probing of AT45DB321C chips.Will Newton
Commit 771999b65f79264acde4b855e5d35696eca5e80c ("[MTD] DataFlash: bugfix, binary page sizes now handled") broke support for probing AT45DB321C flash chips. These chips do not support the "page size" status bit, so if we match the JEDEC id return early. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Will Newton <will.newton@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10idr: make idr_remove_all() do removal -before- free_layer()Paul E. McKenney
Fix a problem in the IDR system, where an idr_remove_all() hands a data element to call_rcu() (via free_layer()) before making that data element inaccessible to new readers. This is very bad, and results in readers still having a reference to this data element at the end of the grace period. Tests on large machines that concurrently map and unmap user-space memory within the same multithreaded process result in crashes within about five minutes. Applying this patch increases the kernel's longevity to the three-to-eight-hour range. There appear to be other similar problems in idr_get_empty_slot() and sub_remove(), but I fixed the easy one in idr_remove_all() first. It is therefore no surprise that failures still occur. Located-by: Milton Miller II <miltonm@austin.ibm.com> Tested-by: Milton Miller II <miltonm@austin.ibm.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10devpts: remove graffitiAlexey Dobriyan
Very annoying when working with containters. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10x86/agp: tighten check to update amd nb apertureYinghai Lu
Impact: fix bug to make agp work with dri Jeffrey reported that dri does work with 64bit, but doesn't work with 32bit it turns out NB aperture is 32M, aperture on agp is 128M 64bit is using 64M for vaidation for 64 iommu/gart 32bit is only using 32M..., and will not update the nb aperture. So try to compare nb apterture and agp apterture before leaving not touch nb aperture. Reported-by: Jeffrey Trull <jetrull@sbcglobal.net> Tested-by: Jeffrey Trull <jetrull@sbcglobal.net> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Acked-by: Dave Airlie <airlied@linux.ie> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10xtensa: fix compilation somewhatAlexey Dobriyan
* ->put_char changes * HIGHMEM is bogus it seems, there is no kmap_atomic() et al * some includes Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Chris Zankel <zankel@tensilica.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10lm85: add VRM10 support for adt7468 chipDarrick J. Wong
The adt7468 chip supports VRM10 sensors just like the adt7463; add a missing check for it. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10lm85: fix the version check that broke adt7468 probingDarrick J. Wong
The verstep check in the lm85 driver fails because the upper nibble of the version register is 0x7, not 0x6, on the adt7468 chip. Probing of all adt7468s was broken by 69fc1feba2d5856ff74dedb6ae9d8c490210825c ("hwmon: (lm85) Rework the device detection"), and this patch fixes that. Also add in a missing i2c_device_id that accidentally got dropped from the original patch. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10menu: fix embedded menu snafuRandy Dunlap
The COMPAT_BRK kconfig symbol does not depend on EMBEDDED, but it is in the midst of the EMBEDDED menu symbols, so it mucks up the EMBEDDED menu. Fix by moving it to just after all of the EMBEDDED menu symbols. Also, ANON_INODES has a similar problem, so move it to just above the EMBEDDED menu items since it is used in the EMBEDDED menu. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10mm: get_nid_for_pfn() returns intRoel Kluin
get_nid_for_pfn() returns int Presumably the (nid < 0) case has never happened. We do know that it is happening on one system while creating a symlink for a memory section so it should also happen on the same system if unregister_mem_sect_under_nodes() were called to remove the same symlink. The test was actually added in response to a problem with an earlier version reported by Yasunori Goto where one or more of the leading pages of a memory section on the 2nd node of one of his systems was uninitialized because I believe they coincided with a memory hole. That earlier version did not ignore uninitialized pages and determined the nid by considering only the 1st page of each memory section. This caused the symlink to the 1st memory section on the 2nd node to be incorrectly created in /sys/devices/system/node/node0 instead of /sys/devices/system/node/node1. The problem was fixed by adding the test to skip over uninitialized pages. I suspect we have not seen any reports of the non-removal of a symlink due to the incorrect declaration of the nid variable in unregister_mem_sect_under_nodes() because - systems where a memory section could have an uninitialized range of leading pages are probably rare. - memory remove is probably not done very frequently on the systems that are capable of demonstrating the problem. - lingering symlink(s) that should have been removed may have simply gone unnoticed. [garyhade@us.ibm.com: wrote changelog] Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Gary Hade <garyhade@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-10Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86 mmiotrace: fix remove_kmmio_fault_pages()
2009-03-10Merge branch 'sh/for-2.6.29' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: video: deferred io cleanup fix for sh_mobile_lcdcfb sh: Add media/soc_camera.h to board setup of Renesas AP325RXA
2009-03-10Merge branches 'x86/apic', 'x86/asm', 'x86/fixmap', 'x86/memtest', 'x86/mm', ↵Ingo Molnar
'x86/urgent', 'linus' and 'core/percpu' into x86/core
2009-03-10video: deferred io cleanup fix for sh_mobile_lcdcfbMagnus Damm
Fix deferred io cleanup patch in the sh_mobile_lcdcfb driver. If probe() fails early the sh_mobile_lcdc_stop() function will be called to clean up deferred io. This patch modifies the code to only call fb_deferred_io_cleanup() after deferred io has been initialized. With this patch applied we no longer hit BUG_ON() inside fb_deferred_io_cleanup(). Triggers on a Migo-R with the SYS QVGA panel board unmounted. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-03-10sh: Add media/soc_camera.h to board setup of Renesas AP325RXANobuhiro Iwamatsu
Other compilation errors were revised by commit of "sh: ap325rxa: Revert ov772x support" (08c2f5b4d76f83213e379b12df504269d21c9e7c) but other compilation errors are given. We revert this commit and need to add new header(media/soc_camera.h). This change revises new compilation error. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-03-09Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: md: fix deadlock when stopping arrays
2009-03-09Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Add p4-clockmod sysfs-ui removal to feature-removal schedule. Revert "[CPUFREQ] Disable sysfs ui for p4-clockmod."
2009-03-09copy_process: fix CLONE_PARENT && parent_exec_id interactionOleg Nesterov
CLONE_PARENT can fool the ->self_exec_id/parent_exec_id logic. If we re-use the old parent, we must also re-use ->parent_exec_id to make sure exit_notify() sees the right ->xxx_exec_id's when the CLONE_PARENT'ed task exits. Also, move down the "p->parent_exec_id = p->self_exec_id" thing, to place two different cases together. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Howells <dhowells@redhat.com> Cc: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-03-09[CPUFREQ] Add p4-clockmod sysfs-ui removal to feature-removal schedule.Dave Jones
Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Dave Jones <davej@redhat.com>
2009-03-09Revert "[CPUFREQ] Disable sysfs ui for p4-clockmod."Dave Jones
This reverts commit e088e4c9cdb618675874becb91b2fd581ee707e6. Removing the sysfs interface for p4-clockmod was flagged as a regression in bug 12826. Course of action: - Find out the remaining causes of overheating, and fix them if possible. ACPI should be doing the right thing automatically. If it isn't, we need to fix that. - mark p4-clockmod ui as deprecated - try again with the removal in six months. It's not really feasible to printk about the deprecation, because it needs to happen at all the sysfs entry points, which means adding a lot of strcmp("p4-clockmod".. calls to the core, which.. bleuch. Signed-off-by: Dave Jones <davej@redhat.com>
2009-03-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (29 commits) p54: fix race condition in memory management cfg80211: test before subtraction on unsigned iwlwifi: fix error flow in iwl*_pci_probe rt2x00 : more devices to rt73usb.c rt2x00 : more devices to rt2500usb.c bonding: Fix device passed into ->ndo_neigh_setup(). vlan: Fix vlan-in-vlan crashes. net: Fix missing dev->neigh_setup in register_netdevice(). tmspci: fix request_irq race pkt_sched: act_police: Fix a rate estimator test. tg3: Fix 5906 link problems SCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails IPv6: add "disable" module parameter support to ipv6.ko sungem: another error printed one too early aoe: error printed 1 too early net pcmcia: worklimit reaches -1 net: more timeouts that reach -1 net: fix tokenring license dm9601: new vendor/product IDs netlink: invert error code in netlink_set_err() ...
2009-03-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: fix for CONFIG_SPARSE_IRQ=y lguest: fix crash 'unhandled trap 13 at <native_read_msr_safe>'
2009-03-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix spinlock assertions on UP systems
2009-03-09Btrfs: fix spinlock assertions on UP systemsChris Mason
btrfs_tree_locked was being used to make sure a given extent_buffer was properly locked in a few places. But, it wasn't correct for UP compiled kernels. This switches it to using assert_spin_locked instead, and renames it to btrfs_assert_tree_locked to better reflect how it was really being used. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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