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This will be needed by the ARAnyM Native Feature initialization code.
Also document that the VEC_TRACE check is needed for 68020/30.
Signed-off-by: Andreas Schwab <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
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So basic initialization is all in one place.
Signed-off-by: Roman Zippel <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
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Add helper function handle_kernel_fault() in signal.c, so frame_extra_sizes
can become static, and to avoid future code duplication.
Signed-off-by: Roman Zippel <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
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* 'for-linus' of git://android.git.kernel.org/kernel/tegra: (61 commits)
ARM: tegra: trimslice: initialize PCI-e only when running on TrimSlice
ARM: tegra: add PCI Express power gating
ARM: tegra: PCIE minor code refactoring
ARM: Tegra: DMA: Fail safe if initialization fails
ARM: Tegra: Rename clk_dev1/2 to cdev1/2
ARM: Tegra: Rename I2S clocks to match driver name
ARM: Tegra: Make tegra_dma_init a postcore_initcall
ARM: tegra: add seaboard, wario and kaen boards
ARM: tegra: harmony: fix pinmux for MMC slot
ARM: tegra: harmony: register sdhci devices
ARM: tegra: remove stale nvidia atag handler
ARM: tegra: common device resources
ARM: tegra: harmony: move over to tegra_gpio_config
ARM: tegra: add tegra_gpio_table and tegra_gpio_config
ARM: tegra: Hide EMC scaling config behind ARCH_TEGRA
ARM: tegra: Fix typo in TEGRA_IRQ_TO_GPIO
ARM: tegra: common: Enable core clocks
ARM: tegra: timer: Enable timer and rtc clocks
ARM: tegra: Move tegra_common_init to tegra_init_early
ARM: tegra: clock: prevent accidental disables of cpu clock
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* 'next' of git://git.monstr.eu/linux-2.6-microblaze: (33 commits)
microblaze: Do not copy reset vectors/manual reset vector setup
microblaze: Fix _reset function
microblaze: Fix microblaze init vectors
microblaze: Fix circular headers dependency when ftrace is enabled.
microblaze: Fix typo in Kconfig
microblaze: Add missing export symbols for lib functions
microblaze: Fix /dev/zero corruption from __clear_user()
microblaze: Convert irq_chip to new functions
microblaze: Select GENERIC_HARDIRQS_NO_DEPRECATED
microblaze: Remove stale irq_chip.end
microblaze: Fix sparse warnings - signal.c
microblaze: Fix sparse warning - fault.c
microblaze: Fix missing microblaze specific syscalls declaration
microblaze: Fix sparse warnings - cache.c
microblaze: Fix sparse warning - cpuinfo.h
microblaze: Fix sparse warning - unwind.c
microblaze: Fix sparse warning - consistent_alloc function
microblaze: Fix sparse warnings - ptrace
microblaze: Fix sparse warning - sw_exceptions
microblaze: Fix sparse warning - timer.c
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Fix kernel-doc warning for runqueue_is_locked():
Warning(kernel/sched.c:664): missing initial short description on line:
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The cgroup documentation does not specify how a process can be removed
from a particular group. This patch adds a note at the end of the
simple example about how this is done. Also, some cgroups (like
cpusets) require user input before a new group can be used. This is
noted in the patch as well.
Signed-off-by: Eric B Munson <[email protected]>
Acked-by: Paul Menage <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Since file handles are freed, a little amendment to the documentation
Signed-off-by: Federica Teodori <[email protected]>
Acked-by: Rik van Riel<[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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pr_info() and pr_debug() are in linux/printk.h, not linux/kernel.h.
Last updated is unnecessary, we have git for that.
Signed-off-by: Roland Kammerer <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Acked-by: Harry Wei <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The device tree infrastructure is being genericized so its documentation
moved out of the PowerPC directory.
Signed-off-by: Rob Landley <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Time interpolators were removed in git 1f564ad6d41828 ("[IA64] remove
time interpolator"), and Voyager support went away in git b6b6e2b112caf
("Documentation: remove obsolete voyager.txt file")
Signed-off-by: Rob Landley <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Even though ebtables uses xtables it still requires targets to
return EBT_CONTINUE instead of XT_CONTINUE. This prevented
xt_AUDIT to work as ebt module.
Upon Jan's suggestion, use a separate struct xt_target for
NFPROTO_BRIDGE having its own target callback returning
EBT_CONTINUE instead of cloning the module.
Signed-off-by: Thomas Graf <[email protected]>
Signed-off-by: Patrick McHardy <[email protected]>
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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, AMD: Set ARAT feature on AMD processors
x86, quirk: Fix SB600 revision check
x86: stop_machine_text_poke() should issue sync_core()
x86, amd-nb: Misc cleanliness fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Fix binutils-2.21 symbol related build failures
x86-64, trampoline: Remove unused variable
x86, reboot: Fix the use of passed arguments in 32-bit BIOS reboot
x86, reboot: Move the real-mode reboot code to an assembly file
x86: Make the GDT_ENTRY() macro in <asm/segment.h> safe for assembly
x86, trampoline: Use the unified trampoline setup for ACPI wakeup
x86, trampoline: Common infrastructure for low memory trampolines
Fix up trivial conflicts in arch/x86/kernel/Makefile
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (21 commits)
PM / Hibernate: Reduce autotuned default image size
PM / Core: Introduce struct syscore_ops for core subsystems PM
PM QoS: Make pm_qos settings readable
PM / OPP: opp_find_freq_exact() documentation fix
PM: Documentation/power/states.txt: fix repetition
PM: Make system-wide PM and runtime PM treat subsystems consistently
PM: Simplify kernel/power/Kconfig
PM: Add support for device power domains
PM: Drop pm_flags that is not necessary
PM: Allow pm_runtime_suspend() to succeed during system suspend
PM: Clean up PM_TRACE dependencies and drop unnecessary Kconfig option
PM: Remove CONFIG_PM_OPS
PM: Reorder power management Kconfig options
PM: Make CONFIG_PM depend on (CONFIG_PM_SLEEP || CONFIG_PM_RUNTIME)
PM / ACPI: Remove references to pm_flags from bus.c
PM: Do not create wakeup sysfs files for devices that cannot wake up
USB / Hub: Do not call device_set_wakeup_capable() under spinlock
PM: Use appropriate printk() priority level in trace.c
PM / Wakeup: Don't update events_check_enabled in pm_get_wakeup_count()
PM / Wakeup: Make pm_save_wakeup_count() work as documented
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/cma: Replace global lock in rdma_destroy_id() with id-specific one
IB/cm: Cancel pending LAP message when exiting IB_CM_ESTABLISH state
IB/cm: Bump reference count on cm_id before invoking callback
RDMA/cma: Fix crash in request handlers
IB/ipath: Don't reset disabled devices
IB/qib: Fix M_Key field in SubnGet and SubnGetResp MADs
IB/qib: Set default LE2 value for active cables to 0
RDMA/cxgb4: Debugfs dump_qp() updates
RDMA/cxgb4: Dispatch FATAL event on EEH errors
RDMA/cxgb4: Use ULP_MODE_TCPDDP
RDMA/cxgb4: Enable on-chip SQ support by default
RDMA/cxgb4: Do CIDX_INC updates every 1/16 CQ depth CQE reaps
RDMA/cxgb4: Remove db_drop_task
RDMA/cxgb4: Turn on delayed ACK
IB/qib: Return correct MAD when setting link width to 255
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (33 commits)
AppArmor: kill unused macros in lsm.c
AppArmor: cleanup generated files correctly
KEYS: Add an iovec version of KEYCTL_INSTANTIATE
KEYS: Add a new keyctl op to reject a key with a specified error code
KEYS: Add a key type op to permit the key description to be vetted
KEYS: Add an RCU payload dereference macro
AppArmor: Cleanup make file to remove cruft and make it easier to read
SELinux: implement the new sb_remount LSM hook
LSM: Pass -o remount options to the LSM
SELinux: Compute SID for the newly created socket
SELinux: Socket retains creator role and MLS attribute
SELinux: Auto-generate security_is_socket_class
TOMOYO: Fix memory leak upon file open.
Revert "selinux: simplify ioctl checking"
selinux: drop unused packet flow permissions
selinux: Fix packet forwarding checks on postrouting
selinux: Fix wrong checks for selinux_policycap_netpeer
selinux: Fix check for xfrm selinux context algorithm
ima: remove unnecessary call to ima_must_measure
IMA: remove IMA imbalance checking
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: tcrypt - do not attempt to write to readonly variable
random: update interface comments to reflect reality
crypto: picoxcell - add support for the picoxcell crypto engines
crypto: sha1 - Add test vector to test partial block processing
hwrng: omap - Convert release_resource to release_region/release_mem_region
crypto: aesni-intel - Fix remaining leak in rfc4106_set_hash_key
crypto: omap-sham - don't treat NULL clk as an error
crypto: omap-aes - don't treat NULL clk as an error
crypto: testmgr - mark ghash as fips_allowed
crypto: testmgr - mark xts(aes) as fips_allowed
crypto: skcipher - remove redundant NULL check
hwrng: pixocell - add support for picoxcell TRNG
crypto: aesni-intel - Don't leak memory in rfc4106_set_hash_subkey
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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw:
GFS2: Don't use _raw version of RCU dereference
GFS2: Adding missing unlock_page()
GFS2: Update to AIL list locking
GFS2: introduce AIL lock
GFS2: fix block allocation check for fallocate
GFS2: Optimize glock multiple-dequeue code
GFS2: Remove potential race in flock code
GFS2: Fix glock deallocation race
GFS2: quota allows exceeding hard limit
GFS2: deallocation performance patch
GFS2: panics on quotacheck update
GFS2: Improve cluster mmap scalability
GFS2: Fix glock queue trace point
GFS2: Post-VFS scale update for RCU path walk
GFS2: Use RCU for glock hash table
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: (46 commits)
fs/9p: Make the writeback_fid owned by root
fs/9p: Writeback dirty data before setattr
fs/9p: call vmtruncate before setattr 9p opeation
fs/9p: Properly update inode attributes on link
fs/9p: Prevent multiple inclusion of same header
fs/9p: Workaround vfs rename rehash bug
fs/9p: Mark directory inode invalid for many directory inode operations
fs/9p: Add . and .. dentry revalidation flag
fs/9p: mark inode attribute invalid on rename, unlink and setattr
fs/9p: Add support for marking inode attribute invalid
fs/9p: Initialize root inode number for dotl
fs/9p: Update link count correctly on different file system operations
fs/9p: Add drop_inode 9p callback
fs/9p: Add direct IO support in cached mode
fs/9p: Fix inode i_size update in file_write
fs/9p: set default readahead pages in cached mode
fs/9p: Move writeback fid to v9fs_inode
fs/9p: Add v9fs_inode
fs/9p: Don't set stat.st_blocks based on nrpages
fs/9p: Add inode hashing
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (29 commits)
ahci: add another PCI ID for marvell
libata: Use 'bool' return value for ata_id_XXX
sata_fsl: Update RX_WATER_MARK for TRANSCFG
sata_fsl: Fix wrong Device Error Register usage
libata: Include WWN ID in inquiry VPD emulation
ata/pata_arasan_cf: fill dma chan->private from pdata->dma_priv
ata: pata: Convert pr_*(DRV_NAME ...) to pr_fmt/pr_<level>
pata_arasan_cf: fix printk format string warning
pata_arasan_cf: Adding support for arasan compact flash host controller
libata-sff: add ata_sff_queue_work() & ata_sff_queue_delayed_work()
ahci: AHCI mode SATA patch for Intel Patsburg SATA RAID controller
ahci: recognize Marvell 88se9125 PCIe SATA 6.0 Gb/s controller
libata: remove ATA_FLAG_LPM
libata: remove ATA_FLAG_NO_LEGACY
libata: remove ATA_FLAG_MMIO
libata: remove ATA_FLAG_{SRST|SATA_RESET}
ipr/sas_ata: use mode mask macros from <linux/ata.h>
sata_dwc_460ex: add debugging options
sata_dwc_460ex: fix misuse of ata_get_cmd_descript()
sata_dwc_460ex: fix return value of dma_dwc_xfer_setup()
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Merge reason: This is one followup commit that was not in x86/mm - merge it via the urgent path
Signed-off-by: Ingo Molnar <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu, x86: Add arch-specific this_cpu_cmpxchg_double() support
percpu: Generic support for this_cpu_cmpxchg_double()
alpha: use L1_CACHE_BYTES for cacheline size in the linker script
percpu: align percpu readmostly subsection to cacheline
Fix up trivial conflict in arch/x86/kernel/vmlinux.lds.S due to the
percpu alignment having changed ("x86: Reduce back the alignment of the
per-CPU data section")
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* 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: fix build failure introduced by s/freezeable/freezable/
workqueue: add system_freezeable_wq
rds/ib: use system_wq instead of rds_ib_fmr_wq
net/9p: replace p9_poll_task with a work
net/9p: use system_wq instead of p9_mux_wq
xfs: convert to alloc_workqueue()
reiserfs: make commit_wq use the default concurrency level
ocfs2: use system_wq instead of ocfs2_quota_wq
ext4: convert to alloc_workqueue()
scsi/scsi_tgt_lib: scsi_tgtd isn't used in memory reclaim path
scsi/be2iscsi,qla2xxx: convert to alloc_workqueue()
misc/iwmc3200top: use system_wq instead of dedicated workqueues
i2o: use alloc_workqueue() instead of create_workqueue()
acpi: kacpi*_wq don't need WQ_MEM_RECLAIM
fs/aio: aio_wq isn't used in memory reclaim path
input/tps6507x-ts: use system_wq instead of dedicated workqueue
cpufreq: use system_wq instead of dedicated workqueues
wireless/ipw2x00: use system_wq instead of dedicated workqueues
arm/omap: use system_wq in mailbox
workqueue: use WQ_MEM_RECLAIM instead of WQ_RESCUER
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
smp: Document transitivity for memory barriers.
rcu: add comment saying why DEBUG_OBJECTS_RCU_HEAD depends on PREEMPT.
rcupdate: remove dead code
rcu: add documentation saying which RCU flavor to choose
rcutorture: Get rid of duplicate sched.h include
rcu: call __rcu_read_unlock() in exit_rcu for tiny RCU
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It turns out that while a maximum of 8 partitions may be what people
"should" have had, you can actually fit up to 18 entries(*) in a sector.
And some people clearly were taking advantage of that, like Michael
Cree, who had ten partitions on one of his OSF disks.
(*) The OSF partition data starts at byte offset 64 in the first sector,
and the array of 16-byte partition entries start at offset 148 in
the on-disk partition structure.
Reported-by: Michael Cree <[email protected]>
Cc: [email protected] (v2.6.38)
Signed-off-by: Linus Torvalds <[email protected]>
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iprune_sem is continously giving us lockdep warnings because we do take it in
read mode in the reclaim path, but we're also doing non-NOFS allocations under
it taken in write mode.
Taking a bit deeper look at it I think it's fixable quite trivially:
- for invalidate_inodes we do not need iprune_sem at all. We have an active
reference on the superblock, so the filesystem is not going away until it
has finished.
- for evict_inodes we do need it, to make sure prune_icache has done it's
work before we tear down the superblock. But there is no reason to
hold it over the actual reclaim operation - it's enough to cycle through
it after the actual reclaim to make sure we wait for any pending
prune_icache to complete. We just have to remove the WARN_ON for
otherwise busy inodes as they can actually happen now.
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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[AV: on architectures where default conflicts with existing
flags, that is]
Signed-off-by: Stephen Rothwell <[email protected]>
Signed-off-by: Al Viro <[email protected]>
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Support for Always Running APIC timer (ARAT) was introduced in
commit db954b5898dd3ef3ef93f4144158ea8f97deb058. This feature
allows us to avoid switching timers from LAPIC to something else
(e.g. HPET) and go into timer broadcasts when entering deep
C-states.
AMD processors don't provide a CPUID bit for that feature but
they also keep APIC timers running in deep C-states (except for
cases when the processor is affected by erratum 400). Therefore
we should set ARAT feature bit on AMD CPUs.
Tested-by: Borislav Petkov <[email protected]>
Acked-by: Andreas Herrmann <[email protected]>
Acked-by: Mark Langsdorf <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Signed-off-by: Boris Ostrovsky <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
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Commit 7f74f8f28a2bd9db9404f7d364e2097a0c42cc12
(x86 quirk: Fix polarity for IRQ0 pin2 override on SB800
systems) introduced a regression. It removed some SB600 specific
code to determine the revision ID without adapting a
corresponding revision ID check for SB600.
See this mail thread:
http://marc.info/?l=linux-kernel&m=129980296006380&w=2
This patch adapts the corresponding check to cover all SB600
revisions.
Tested-by: Wang Lei <[email protected]>
Signed-off-by: Andreas Herrmann <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: [email protected] # 38.x, 37.x, 32.x
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
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commit 574197e0de46a8a4db5c54ef7b65e43ffa8873a7 had a missing
piece, breaking the loop detection ;-/
Signed-off-by: Al Viro <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (27 commits)
x86: Clean up apic.c and apic.h
x86: Remove superflous goal definition of tsc_sync
x86: dt: Correct local apic documentation in device tree bindings
x86: dt: Cleanup local apic setup
x86: dt: Fix OLPC=y/INTEL_CE=n build
rtc: cmos: Add OF bindings
x86: ce4100: Use OF to setup devices
x86: ioapic: Add OF bindings for IO_APIC
x86: dtb: Add generic bus probe
x86: dtb: Add support for PCI devices backed by dtb nodes
x86: dtb: Add device tree support for HPET
x86: dtb: Add early parsing of IO_APIC
x86: dtb: Add irq domain abstraction
x86: dtb: Add a device tree for CE4100
x86: Add device tree support
x86: e820: Remove conditional early mapping in parse_e820_ext
x86: OLPC: Make OLPC=n build again
x86: OLPC: Remove extra OLPC_OPENFIRMWARE_DT indirection
x86: OLPC: Cleanup config maze completely
x86: OLPC: Hide OLPC_OPENFIRMWARE config switch
...
Fix up conflicts in arch/x86/platform/ce4100/ce4100.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (93 commits)
x86, tlb, UV: Do small micro-optimization for native_flush_tlb_others()
x86-64, NUMA: Don't call numa_set_distanc() for all possible node combinations during emulation
x86-64, NUMA: Don't assume phys node 0 is always online in numa_emulation()
x86-64, NUMA: Clean up initmem_init()
x86-64, NUMA: Fix numa_emulation code with node0 without RAM
x86-64, NUMA: Revert NUMA affine page table allocation
x86: Work around old gas bug
x86-64, NUMA: Better explain numa_distance handling
x86-64, NUMA: Fix distance table handling
mm: Move early_node_map[] reverse scan helpers under HAVE_MEMBLOCK
x86-64, NUMA: Fix size of numa_distance array
x86: Rename e820_table_* to pgt_buf_*
bootmem: Move __alloc_memory_core_early() to nobootmem.c
bootmem: Move contig_page_data definition to bootmem.c/nobootmem.c
bootmem: Separate out CONFIG_NO_BOOTMEM code into nobootmem.c
x86-64, NUMA: Seperate out numa_alloc_distance() from numa_set_distance()
x86-64, NUMA: Add proper function comments to global functions
x86-64, NUMA: Move NUMA emulation into numa_emulation.c
x86-64, NUMA: Prepare numa_emulation() for moving NUMA emulation into a separate file
x86-64, NUMA: Do not scan two times for setup_node_bootmem()
...
Fix up conflicts in arch/x86/kernel/smpboot.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mem-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-64, mem: Convert memmove() to assembly file and fix return value bug
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, microcode, AMD: Fix signedness bug in generic_load_microcode()
x86, microcode, AMD: Extend ucode size verification
x86, microcode, AMD: Cleanup dmesg output
x86, microcode, AMD: Remove unneeded memset call
x86, microcode, AMD: Simplify get_next_ucode
x86, microcode, AMD: Simplify install_equiv_cpu_table
x86, microcode, AMD: Release firmware on error
x86, microcode: Correct sysdev_add error path
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'um-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
um: Select GENERIC_HARDIRQS_NO_DEPRECATED
um: Use proper accessors in show_interrupts()
um: Convert irq_chips to new functions
um: Remove stale irq_chip.end
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netback is the host side counterpart to the frontend driver in
drivers/net/xen-netfront.c. The PV protocol is also implemented by
frontend drivers in other OSes too, such as the BSDs and even Windows.
The patch is based on the driver from the xen.git pvops kernel tree but
has been put through the checkpatch.pl wringer plus several manual
cleanup passes and review iterations. The driver has been moved from
drivers/xen/netback to drivers/net/xen-netback.
One major change from xen.git is that the guest transmit path (i.e. what
looks like receive to netback) has been significantly reworked to remove
the dependency on the out of tree PageForeign page flag (a core kernel
patch which enables a per page destructor callback on the final
put_page). This page flag was used in order to implement a grant map
based transmit path (where guest pages are mapped directly into SKB
frags). Instead this version of netback uses grant copy operations into
regular memory belonging to the backend domain. Reinstating the grant
map functionality is something which I would like to revisit in the
future.
Note that this driver depends on 2e820f58f7ad "xen/irq: implement
bind_interdomain_evtchn_to_irqhandler for backend drivers" which is in
linux next via the "xen-two" tree and is intended for the 2.6.39 merge
window:
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/backends
this branch has only that single commit since 2.6.38-rc2 and is safe for
cross merging into the net branch.
Signed-off-by: Ian Campbell <[email protected]>
Reviewed-by: Ben Hutchings <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
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When the bonding module is loaded, it creates bond0 by default.
Then, when attempting to create bond0, the following messages
are printed to syslog:
kernel: bonding: bond0 is being created...
kernel: bonding: Bond creation failed.
Which seems to indicate a problem, when in reality there is no
problem. Since the actual error code is passed down from bond_create,
make use of it to print a bit less ominous message:
kernel: bonding: bond0 is being created...
kernel: bond0 already exists.
Signed-off-by: Phil Oester <[email protected]>
Signed-off-by: Andy Gospodarek <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Bringing up a bond interface with all network cables disconnected
does not properly set the interface as DOWN because the call to
netif_carrier_off occurs too early in bond_init. The call needs
to occur after register_netdevice has set dev->reg_state to
NETREG_REGISTERED, so that netif_carrier_off will trigger the
call to linkwatch_fire_event.
Signed-off-by: Phil Oester <[email protected]>
Signed-off-by: Andy Gospodarek <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When packets come in from a device with >= 16 receive queues
headed out a bonding interface, syslog gets filled with this:
kernel: bond0 selects TX queue 16, but real number of TX queues is 16
because queue_mapping is offset by 1. Adjust return value
to account for the offset.
This is a revision of my earlier patch (which did not use the
skb_rx_queue_* helpers - thanks to Ben for the suggestion).
Andy submitted a similar patch which emits a pr_warning on
invalid queue selection, but I believe the log spew is
not useful. We can revisit that question in the future,
but in the interim I believe fixing the core problem is
worthwhile.
Signed-off-by: Phil Oester <[email protected]>
Signed-off-by: Andy Gospodarek <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (116 commits)
x86: Enable forced interrupt threading support
x86: Mark low level interrupts IRQF_NO_THREAD
x86: Use generic show_interrupts
x86: ioapic: Avoid redundant lookup of irq_cfg
x86: ioapic: Use new move_irq functions
x86: Use the proper accessors in fixup_irqs()
x86: ioapic: Use irq_data->state
x86: ioapic: Simplify irq chip and handler setup
x86: Cleanup the genirq name space
genirq: Add chip flag to force mask on suspend
genirq: Add desc->irq_data accessor
genirq: Add comments to Kconfig switches
genirq: Fixup fasteoi handler for oneshot mode
genirq: Provide forced interrupt threading
sched: Switch wait_task_inactive to schedule_hrtimeout()
genirq: Add IRQF_NO_THREAD
genirq: Allow shared oneshot interrupts
genirq: Prepare the handling of shared oneshot interrupts
genirq: Make warning in handle_percpu_event useful
x86: ioapic: Move trigger defines to io_apic.h
...
Fix up trivial(?) conflicts in arch/x86/pci/xen.c due to genirq name
space changes clashing with the Xen cleanups. The set_irq_msi() had
moved to xen_bind_pirq_msi_to_irq().
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Combine printk()s in show_regs_common()
x86: Don't call dump_stack() from arch_trigger_all_cpu_backtrace_handler()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Fix and clean up generic_processor_info()
x86: Don't copy per_cpu cpuinfo for BSP two times
x86: Move llc_shared_map out of cpu_info
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, binutils, xen: Fix another wrong size directive
x86: Remove dead config option X86_CPU
x86: Really print supported CPUs if PROCESSOR_SELECT=y
x86: Fix a bogus unwind annotation in lib/semaphore_32.S
um, x86-64: Fix UML build after adding CFI annotations to lib/rwsem_64.S
x86: Remove unused bits from lib/thunk_*.S
x86: Use {push,pop}_cfi in more places
x86-64: Add CFI annotations to lib/rwsem_64.S
x86, asm: Cleanup unnecssary macros in asm-offsets.c
x86, system.h: Drop unused __SAVE/__RESTORE macros
x86: Use bitmap library functions
x86: Partly unify asm-offsets_{32,64}.c
x86: Reduce back the alignment of the per-CPU data section
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-rtc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
RTC: Fix up rtc.txt documentation to reflect changes to generic rtc layer
RTC: sa1100: Update the sa1100 RTC driver.
RTC: Fix the cross interrupt issue on rtc-test.
RTC: Remove UIE and PIE information from the sa1100 driver proc.
RTC: Include information about UIE and PIE in RTC driver proc.
RTC: Clean out UIE icotl implementations
RTC: Cleanup rtc_class_ops->update_irq_enable()
RTC: Cleanup rtc_class_ops->irq_set_freq()
RTC: Cleanup rtc_class_ops->irq_set_state
RTC: Initialize kernel state from RTC
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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ECN support incorrectly maps ECN BESTEFFORT packets to TC_PRIO_FILLER
(1) instead of TC_PRIO_BESTEFFORT (0)
This means ECN enabled flows are placed in pfifo_fast/prio low priority
band, giving ECN enabled flows [ECT(0) and CE codepoints] higher drop
probabilities.
This is rather unfortunate, given we would like ECN being more widely
used.
Ref : http://www.coverfire.com/archives/2011/03/13/pfifo_fast-and-ecn/
Signed-off-by: Dan Siemon <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Dave Täht <[email protected]>
Cc: Jonathan Morton <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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