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2011-08-04x86-64: Add user_64bit_mode paravirt opAndy Lutomirski1-0/+4
Three places in the kernel assume that the only long mode CPL 3 selector is __USER_CS. This is not true on Xen -- Xen's sysretq changes cs to the magic value 0xe033. Two of the places are corner cases, but as of "x86-64: Improve vsyscall emulation CS and RIP handling" (c9712944b2a12373cb6ff8059afcfb7e826a6c54), vsyscalls will segfault if called with Xen's extra CS selector. This causes a panic when older init builds die. It seems impossible to make Xen use __USER_CS reliably without taking a performance hit on every system call, so this fixes the tests instead with a new paravirt op. It's a little ugly because ptrace.h can't include paravirt.h. Signed-off-by: Andy Lutomirski <[email protected]> Link: http://lkml.kernel.org/r/f4fcb3947340d9e96ce1054a432f183f9da9db83.1312378163.git.luto@mit.edu Reported-by: Konrad Rzeszutek Wilk <[email protected]> Signed-off-by: H. Peter Anvin <[email protected]>
2011-08-04x86-64, xen: Enable the vvar mappingAndy Lutomirski1-1/+3
Xen needs to handle VVAR_PAGE, introduced in git commit: 9fd67b4ed0714ab718f1f9bd14c344af336a6df7 x86-64: Give vvars their own page Otherwise we die during bootup with a message like: (XEN) mm.c:940:d10 Error getting mfn 1888 (pfn 1e3e48) from L1 entry 8000000001888465 for l1e_owner=10, pg_owner=10 (XEN) mm.c:5049:d10 ptwr_emulate: could not get_page_from_l1e() [ 0.000000] BUG: unable to handle kernel NULL pointer dereference at (null) [ 0.000000] IP: [<ffffffff8103a930>] xen_set_pte+0x20/0xe0 Signed-off-by: Andy Lutomirski <[email protected]> Link: http://lkml.kernel.org/r/4659478ed2f3480938f96491c2ecbe2b2e113a23.1312378163.git.luto@mit.edu Reviewed-by: Konrad Rzeszutek Wilk <[email protected]> Signed-off-by: H. Peter Anvin <[email protected]>
2011-08-04xen: Fix misleading WARN message at xen_release_chunkIgor Mammedov1-5/+3
WARN message should not complain "Failed to release memory %lx-%lx err=%d\n" ^^^^^^^ about range when it fails to release just one page, instead it should say what pfn is not freed. In addition line: printk(KERN_INFO "xen_release_chunk: looking at area pfn %lx-%lx: " ... printk(KERN_CONT "%lu pages freed\n", len); will be broken if WARN in between this line is fired. So fix it by using a single printk for this. Signed-off-by: Igor Mammedov <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-08-04xen: Fix printk() format in xen/setup.cIgor Mammedov1-2/+2
Use correct format specifier for unsigned long. Signed-off-by: Igor Mammedov <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-08-04 xen/tracing: it looks like we wanted CONFIG_FTRACEJeremy Fitzhardinge1-1/+1
Apparently we wanted CONFIG_FTRACE rather the CONFIG_FUNCTION_TRACER. Reported-by: Sander Eikelenboom <[email protected]> Tested-by: Sander Eikelenboom <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-08-03Merge branch 'idle-release' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 * 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6: cpuidle: stop depending on pm_idle x86 idle: move mwait_idle_with_hints() to where it is used cpuidle: replace xen access to x86 pm_idle and default_idle cpuidle: create bootparam "cpuidle.off=1" mrst_pmu: driver for Intel Moorestown Power Management Unit
2011-08-03cpuidle: replace xen access to x86 pm_idle and default_idleLen Brown1-1/+2
When a Xen Dom0 kernel boots on a hypervisor, it gets access to the raw-hardware ACPI tables. While it parses the idle tables for the hypervisor's beneift, it uses HLT for its own idle. Rather than have xen scribble on pm_idle and access default_idle, have it simply disable_cpuidle() so acpi_idle will not load and architecture default HLT will be used. cc: [email protected] Tested-by: Konrad Rzeszutek Wilk <[email protected]> Acked-by: H. Peter Anvin <[email protected]> Signed-off-by: Len Brown <[email protected]>
2011-07-29Merge branch 'upstream/xen-tracing2' of ↵Linus Torvalds1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen * 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen/tracing: fix compile errors when tracing is disabled.
2011-07-25xen/tracing: fix compile errors when tracing is disabled.Jeremy Fitzhardinge1-1/+3
When CONFIG_FUNCTION_TRACER is disabled, compilation fails as follows: CC arch/x86/xen/setup.o In file included from arch/x86/include/asm/xen/hypercall.h:42, from arch/x86/xen/setup.c:19: include/trace/events/xen.h:31: warning: 'struct multicall_entry' declared inside parameter list include/trace/events/xen.h:31: warning: its scope is only this definition or declaration, which is probably not what you want include/trace/events/xen.h:31: warning: 'struct multicall_entry' declared inside parameter list include/trace/events/xen.h:31: warning: 'struct multicall_entry' declared inside parameter list include/trace/events/xen.h:31: warning: 'struct multicall_entry' declared inside parameter list [...] arch/x86/xen/trace.c:5: error: '__HYPERVISOR_set_trap_table' undeclared here (not in a function) arch/x86/xen/trace.c:5: error: array index in initializer not of integer type arch/x86/xen/trace.c:5: error: (near initialization for 'xen_hypercall_names') arch/x86/xen/trace.c:6: error: '__HYPERVISOR_mmu_update' undeclared here (not in a function) arch/x86/xen/trace.c:6: error: array index in initializer not of integer type arch/x86/xen/trace.c:6: error: (near initialization for 'xen_hypercall_names') Fix this by making sure struct multicall_entry has a declaration in scope at all times, and don't bother compiling xen/trace.c when tracing is disabled. Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-24Merge branch 'upstream/xen-tracing2' of ↵Linus Torvalds6-150/+243
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen * 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen/trace: use class for multicall trace xen/trace: convert mmu events to use DECLARE_EVENT_CLASS()/DEFINE_EVENT() xen/multicall: move *idx fields to start of mc_buffer xen/multicall: special-case singleton hypercalls xen/multicalls: add unlikely around slowpath in __xen_mc_entry() xen/multicalls: disable MC_DEBUG xen/mmu: tune pgtable alloc/release xen/mmu: use extend_args for more mmuext updates xen/trace: add tlb flush tracepoints xen/trace: add segment desc tracing xen/trace: add xen_pgd_(un)pin tracepoints xen/trace: add ptpage alloc/release tracepoints xen/trace: add mmu tracepoints xen/trace: add multicall tracing xen/trace: set up tracepoint skeleton xen/multicalls: remove debugfs stats trace/xen: add skeleton for Xen trace events
2011-07-22Merge branch 'stable/drivers' of ↵Linus Torvalds4-1/+87
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/pciback: Have 'passthrough' option instead of XEN_PCIDEV_BACKEND_PASS and XEN_PCIDEV_BACKEND_VPCI xen/pciback: Remove the DEBUG option. xen/pciback: Drop two backends, squash and cleanup some code. xen/pciback: Print out the MSI/MSI-X (PIRQ) values xen/pciback: Don't setup an fake IRQ handler for SR-IOV devices. xen: rename pciback module to xen-pciback. xen/pciback: Fine-grain the spinlocks and fix BUG: scheduling while atomic cases. xen/pciback: Allocate IRQ handler for device that is shared with guest. xen/pciback: Disable MSI/MSI-X when reseting a device xen/pciback: guest SR-IOV support for PV guest xen/pciback: Register the owner (domain) of the PCI device. xen/pciback: Cleanup the driver based on checkpatch warnings and errors. xen/pciback: xen pci backend driver. xen: tmem: self-ballooning and frontswap-selfshrinking xen: Add module alias to autoload backend drivers xen: Populate xenbus device attributes xen: Add __attribute__((format(printf... where appropriate xen: prepare tmem shim to handle frontswap xen: allow enable use of VGA console on dom0
2011-07-18xen/multicall: move *idx fields to start of mc_bufferJeremy Fitzhardinge1-1/+1
The CPU would prefer small offsets. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/multicall: special-case singleton hypercallsJeremy Fitzhardinge1-5/+22
Singleton calls seem to end up being pretty common, so just directly call the hypercall rather than going via multicall. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/multicalls: add unlikely around slowpath in __xen_mc_entry()Jeremy Fitzhardinge1-2/+2
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/multicalls: disable MC_DEBUGJeremy Fitzhardinge1-2/+2
It's useful - and probably should be a config - but its very heavyweight, especially with the tracing stuff to help sort out problems. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/mmu: tune pgtable alloc/releaseJeremy Fitzhardinge1-9/+44
Make sure the fastpath code is inlined. Batch the page permission change and the pin/unpin, and make sure that it can be batched with any adjacent set_pte/pmd/etc operations. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/mmu: use extend_args for more mmuext updatesJeremy Fitzhardinge1-15/+27
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: add tlb flush tracepointsJeremy Fitzhardinge1-0/+8
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: add segment desc tracingJeremy Fitzhardinge1-1/+15
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: add xen_pgd_(un)pin tracepointsJeremy Fitzhardinge1-0/+4
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: add ptpage alloc/release tracepointsJeremy Fitzhardinge1-2/+8
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: add mmu tracepointsJeremy Fitzhardinge1-2/+24
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: add multicall tracingJeremy Fitzhardinge3-8/+83
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/trace: set up tracepoint skeletonJeremy Fitzhardinge2-1/+5
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-18xen/multicalls: remove debugfs statsJeremy Fitzhardinge2-108/+4
Remove debugfs stats to make way for tracing. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-07-14memblock, x86: Replace memblock_x86_reserve/free_range() with generic onesTejun Heo2-12/+7
Other than sanity check and debug message, the x86 specific version of memblock reserve/free functions are simple wrappers around the generic versions - memblock_reserve/free(). This patch adds debug messages with caller identification to the generic versions and replaces x86 specific ones and kills them. arch/x86/include/asm/memblock.h and arch/x86/mm/memblock.c are empty after this change and removed. Signed-off-by: Tejun Heo <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Cc: Yinghai Lu <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Signed-off-by: H. Peter Anvin <[email protected]>
2011-07-11xen:pvhvm: Modpost section mismatch fixRaghavendra D Prabhu1-1/+1
Removing __init from check_platform_magic since it is called by xen_unplug_emulated_devices in non-init contexts (It probably gets inlined because of -finline-functions-called-once, removing __init is more to avoid mismatch being reported). Signed-off-by: Raghavendra D Prabhu <[email protected]> Acked-by: Stefano Stabellini <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-30xen/mmu: Fix for linker errors when CONFIG_SMP is not defined.Konrad Rzeszutek Wilk1-0/+4
Simple enough - we use an extern defined symbol which is not defined when CONFIG_SMP is not defined. This fixes the linker dying. CC: [email protected] Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-21Merge branch 'stable/vga.support' into stable/driversKonrad Rzeszutek Wilk4-1/+87
* stable/vga.support: xen: allow enable use of VGA console on dom0
2011-06-16xen/setup: Fix for incorrect xen_extra_mem_start.Konrad Rzeszutek Wilk1-4/+6
The earlier attempts (24bdb0b62cc82120924762ae6bc85afc8c3f2b26) at fixing this problem caused other problems to surface (PV guests with no PCI passthrough would have SWIOTLB turned on - which meant 64MB of precious contingous DMA32 memory being eaten up per guest). The problem was: "on xen we add an extra memory region at the end of the e820, and on this particular machine this extra memory region would start below 4g and cross over the 4g boundary: [0xfee01000-0x192655000) Unfortunately e820_end_of_low_ram_pfn does not expect an e820 layout like that so it returns 4g, therefore initial_memory_mapping will map [0 - 0x100000000), that is a memory range that includes some reserved memory regions." The memory range was the IOAPIC regions, and with the 1-1 mapping turned on, it would map them as RAM, not as MMIO regions. This caused the hypervisor to complain. Fortunately this is experienced only under the initial domain so we guard for it. Acked-by: Stefano Stabellini <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-15xen: When calling power_off, don't call the halt function.Tom Goetz1-1/+8
.. As it won't actually power off the machine. Reported-by: Sven Köhler <[email protected]> Tested-by: Sven Köhler <[email protected]> Signed-off-by: Tom Goetz <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-15xen: support CONFIG_MAXSMPAndrew Jones2-1/+9
The MAXSMP config option requires CPUMASK_OFFSTACK, which in turn requires we init the memory for the maps while we bring up the cpus. MAXSMP also increases NR_CPUS to 4096. This increase in size exposed an issue in the argument construction for multicalls from xen_flush_tlb_others. The args should only need space for the actual number of cpus. Also in 2.6.39 it exposes a bootup problem. BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff8157a1d3>] set_cpu_sibling_map+0x123/0x30d ... Call Trace: [<ffffffff81039a3f>] ? xen_restore_fl_direct_reloc+0x4/0x4 [<ffffffff819dc4db>] xen_smp_prepare_cpus+0x36/0x135 .. CC: [email protected] Signed-off-by: Andrew Jones <[email protected]> [v2: Updated to compile on 3.0] [v3: Updated to compile when CONFIG_SMP is not defined] Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-09xen: partially revert "xen: set max_pfn_mapped to the last pfn mapped"Stefano Stabellini1-1/+8
We only need to set max_pfn_mapped to the last pfn mapped on x86_64 to make sure that cleanup_highmap doesn't remove important mappings at _end. We don't need to do this on x86_32 because cleanup_highmap is not called on x86_32. Besides lowering max_pfn_mapped on x86_32 has the unwanted side effect of limiting the amount of memory available for the 1:1 kernel pagetable allocation. This patch reverts the x86_32 part of the original patch. CC: [email protected] Signed-off-by: Stefano Stabellini <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-06xen: allow enable use of VGA console on dom0Jeremy Fitzhardinge4-1/+87
Get the information about the VGA console hardware from Xen, and put it into the form the bootloader normally generates, so that the rest of the kernel can deal with VGA as usual. [ Impact: make VGA console work in dom0 ] Signed-off-by: Jeremy Fitzhardinge <[email protected]> [v1: Rebased on 2.6.39] [v2: Removed incorrect comments and fixed compile warnings] Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
2011-06-03xen: off by one errors in multicalls.cDan Carpenter1-6/+6
b->args[] has MC_ARGS elements, so the comparison here should be ">=" instead of ">". Otherwise we read past the end of the array one space. CC: [email protected] Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-26Merge branch 'upstream/tidy-xen-mmu-2.6.39' of ↵Linus Torvalds2-271/+50
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen * 'upstream/tidy-xen-mmu-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen: fix compile without CONFIG_XEN_DEBUG_FS Use arbitrary_virt_to_machine() to deal with ioremapped pud updates. Use arbitrary_virt_to_machine() to deal with ioremapped pmd updates. xen/mmu: remove all ad-hoc stats stuff xen: use normal virt_to_machine for ptes xen: make a pile of mmu pvop functions static vmalloc: remove vmalloc_sync_all() from alloc_vm_area() xen: condense everything onto xen_set_pte xen: use mmu_update for xen_set_pte_at() xen: drop all the special iomap pte paths.
2011-05-23Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits) b43: fix comment typo reqest -> request Haavard Skinnemoen has left Atmel cris: typo in mach-fs Makefile Kconfig: fix copy/paste-ism for dell-wmi-aio driver doc: timers-howto: fix a typo ("unsgined") perf: Only include annotate.h once in tools/perf/util/ui/browsers/annotate.c md, raid5: Fix spelling error in comment ('Ofcourse' --> 'Of course'). treewide: fix a few typos in comments regulator: change debug statement be consistent with the style of the rest Revert "arm: mach-u300/gpio: Fix mem_region resource size miscalculations" audit: acquire creds selectively to reduce atomic op overhead rtlwifi: don't touch with treewide double semicolon removal treewide: cleanup continuations and remove logging message whitespace ath9k_hw: don't touch with treewide double semicolon removal include/linux/leds-regulator.h: fix syntax in example code tty: fix typo in descripton of tty_termios_encode_baud_rate xtensa: remove obsolete BKL kernel option from defconfig m68k: fix comment typo 'occcured' arch:Kconfig.locks Remove unused config option. treewide: remove extra semicolons ...
2011-05-20xen: fix compile without CONFIG_XEN_DEBUG_FSJeremy Fitzhardinge1-0/+2
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20Use arbitrary_virt_to_machine() to deal with ioremapped pud updates.Jeremy Fitzhardinge1-1/+1
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20Use arbitrary_virt_to_machine() to deal with ioremapped pmd updates.Jeremy Fitzhardinge1-1/+1
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20xen/mmu: remove all ad-hoc stats stuffJeremy Fitzhardinge1-138/+0
To make way for tracing. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20xen: use normal virt_to_machine for ptesJeremy Fitzhardinge1-5/+5
We no longer support HIGHPTE allocations, so ptes should always be within the kernel's direct map, and don't need pagetable walks to convert to machine addresses. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20xen: make a pile of mmu pvop functions staticJeremy Fitzhardinge2-60/+23
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20xen: condense everything onto xen_set_pteJeremy Fitzhardinge1-46/+27
xen_set_pte_at and xen_clear_pte are essentially identical to xen_set_pte, so just make them all common. When batched set_pte and pte_clear are the same, but the unbatch operation must be different: they need to update the two halves of the pte in different order. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20xen: use mmu_update for xen_set_pte_at()Jeremy Fitzhardinge1-15/+11
In principle update_va_mapping is a good match for set_pte_at, since it gets the address being mapped, which allows Xen to use its linear pagetable mapping. However that assumes that the pmd for the address is attached to the current pagetable, which may not be true for a given user address space because the kernel pmd is not shared (at least on 32-bit guests). Normally the kernel will automatically sync a missing part of the pagetable with the init_mm pagetable transparently via faults, but that fails when a missing address is passed to Xen. And while the linear pagetable mapping is very useful for 32-bit Xen (as it avoids an explicit domain mapping), 32-bit Xen is deprecated. 64-bit Xen has all memory mapped all the time, so it makes no real difference. The upshot is that we should use mmu_update, since it can operate on non-current pagetables or detached pagetables. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-20xen: drop all the special iomap pte paths.Jeremy Fitzhardinge1-25/+0
Xen can work out when we're doing IO mappings for itself, so we don't need to do anything special, and the extra tests just clog things up. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2011-05-19Merge branch 'timers-clocksource-for-linus' of ↵Linus Torvalds1-5/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: clocksource: convert mips to generic i8253 clocksource clocksource: convert x86 to generic i8253 clocksource clocksource: convert footbridge to generic i8253 clocksource clocksource: add common i8253 PIT clocksource blackfin: convert to clocksource_register_hz mips: convert to clocksource_register_hz/khz sparc: convert to clocksource_register_hz/khz alpha: convert to clocksource_register_hz microblaze: convert to clocksource_register_hz/khz ia64: convert to clocksource_register_hz/khz x86: Convert remaining x86 clocksources to clocksource_register_hz/khz Make clocksource name const
2011-05-19Merge branches 'sched-core-for-linus' and 'sched-urgent-for-linus' of ↵Linus Torvalds1-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (60 commits) sched: Fix and optimise calculation of the weight-inverse sched: Avoid going ahead if ->cpus_allowed is not changed sched, rt: Update rq clock when unthrottling of an otherwise idle CPU sched: Remove unused parameters from sched_fork() and wake_up_new_task() sched: Shorten the construction of the span cpu mask of sched domain sched: Wrap the 'cfs_rq->nr_spread_over' field with CONFIG_SCHED_DEBUG sched: Remove unused 'this_best_prio arg' from balance_tasks() sched: Remove noop in alloc_rt_sched_group() sched: Get rid of lock_depth sched: Remove obsolete comment from scheduler_tick() sched: Fix sched_domain iterations vs. RCU sched: Next buddy hint on sleep and preempt path sched: Make set_*_buddy() work on non-task entities sched: Remove need_migrate_task() sched: Move the second half of ttwu() to the remote cpu sched: Restructure ttwu() some more sched: Rename ttwu_post_activation() to ttwu_do_wakeup() sched: Remove rq argument from ttwu_stat() sched: Remove rq->lock from the first half of ttwu() sched: Drop rq->lock from sched_exec() ... * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Fix rt_rq runtime leakage bug
2011-05-19Merge branches 'stable/irq', 'stable/p2m.bugfixes', 'stable/e820.bugfixes' ↵Linus Torvalds3-4/+34
and 'stable/mmu.bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/irq' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: do not clear and mask evtchns in __xen_evtchn_do_upcall * 'stable/p2m.bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/p2m: Create entries in the P2M_MFN trees's to track 1-1 mappings * 'stable/e820.bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/setup: Fix for incorrect xen_extra_mem_start initialization under 32-bit xen/setup: Ignore E820_UNUSABLE when setting 1-1 mappings. * 'stable/mmu.bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen mmu: fix a race window causing leave_mm BUG()
2011-05-19Merge branches 'stable/balloon.cleanup' and 'stable/general.cleanup' of ↵Linus Torvalds7-39/+39
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/balloon.cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/balloon: Move dec_totalhigh_pages() from __balloon_append() to balloon_append() xen/balloon: Clarify credit calculation xen/balloon: Simplify HVM integration xen/balloon: Use PageHighMem() for high memory page detection * 'stable/general.cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: drivers/xen/sys-hypervisor: Cleanup code/data sections definitions arch/x86/xen/smp: Cleanup code/data sections definitions arch/x86/xen/time: Cleanup code/data sections definitions arch/x86/xen/xen-ops: Cleanup code/data sections definitions arch/x86/xen/mmu: Cleanup code/data sections definitions arch/x86/xen/setup: Cleanup code/data sections definitions arch/x86/xen/enlighten: Cleanup code/data sections definitions arch/x86/xen/irq: Cleanup code/data sections definitions xen: tidy up whitespace in drivers/xen/Makefile
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