- 24 Mar, 2009 1 commit
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Huang Weiyi authored
Remove duplicated #include in arch/avr32/boards/hammerhead/flash.c. Signed-off-by:
Huang Weiyi <weiyi.huang@gmail.com> Acked-by:
Alex Raimondi <mailinglist@miromico.ch> Signed-off-by:
Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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- 16 Jan, 2009 39 commits
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Haavard Skinnemoen authored
Use .subsection to place fixups closer to their jump targets. This increases the maximum size of the kernel before we get link errors significantly. The problem here is that we don't have a "call"-ish pseudo-instruction to use instead of rjmp...we could add one, but that means we'll have to wait for a new toolchain release, wait until we're fairly sure most people are using it, etc... As an added bonus, it should decrease the RAM footprint slightly, though it might pollute the icache a bit more. Signed-off-by: -
Ben Nizette authored
Replace handcoded rcall instructions with the call pseudo-instruction. For kernels too far over 1MB the rcall instruction can't reach and linking will fail. We already call the final linker with --relax which converts call pseudo-instructions to the right things anyway. This fixes arch/avr32/kernel/built-in.o: In function `syscall_exit_work': (.ex.text+0x198): relocation truncated to fit: R_AVR32_22H_PCREL against symbol `schedule' defined in .sched.text section in kernel/built-in.o arch/avr32/kernel/built-in.o: In function `fault_exit_work': (.ex.text+0x3b6): relocation truncated to fit: R_AVR32_22H_PCREL against symbol `schedule' defined in .sched.text section in kernel/built-in.o But I'm still left with arch/avr32/kernel/built-in.o:(.fixup+0x2): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+45a arch/avr32/kernel/built-in.o:(.fixup+0x8): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+8ea arch/avr32/kernel/built-in.o:(.fixup+0xe): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+abe arch/avr32/kernel/built-in.o:(.fixup+0x14): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+ac8 arch/avr32/kernel/built-in.o:(.fixup+0x1a): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+ad2 arch/avr32/kernel/built-in.o:(.fixup+0x20): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+adc arch/avr32/kernel/built-in.o:(.fixup+0x26): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+ae6 arch/avr32/kernel/built-in.o:(.fixup+0x2c): relocation truncated to fit: R_AVR32_22H_PCREL against `.text'+af0 arch/avr32/kernel/built-in.o:(.fixup+0x32): additional relocation overflows omitted from the output These are caused by a similar problem with 'rjmp' instructions. Unfortunately, there's no easy fix for these at the moment since we don't have a arbitrary-range 'jmp' instruction similar to 'call'. Signed-off-by:
Ben Nizette <bn@niasdigital.com> Signed-off-by:
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Linus Torvalds authored
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: sched_slice() fixlet sched: fix update_min_vruntime sched: SCHED_OTHER vs SCHED_IDLE isolation sched: SCHED_IDLE weight change sched: fix bandwidth validation for UID grouping Revert "sched: improve preempt debugging"
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix UP build failure.
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (95 commits) b44: GFP_DMA skb should not escape from driver korina: do not use IRQF_SHARED with IRQF_DISABLED korina: do not stop queue here korina: fix handling tx_chain_tail korina: do tx at the right position korina: do schedule napi after testing for it korina: rework korina_rx() for use with napi korina: disable napi on close and restart korina: reset resource buffer size to 1536 korina: fix usage of driver_data bnx2x: First slow path interrupt race bnx2x: MTU Filter bnx2x: Indirection table initialization index bnx2x: Missing brackets bnx2x: Fixing the doorbell size bnx2x: Endianness issues bnx2x: VLAN tagged packets without VLAN offload bnx2x: Protecting the link change indication bnx2x: Flow control updated before reporting the link bnx2x: Missing mask when calculating flow control ...
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git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds authored
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon: (abituguru3) Fix CONFIG_DMI=n fallback to probe hwmon: (abituguru3) Enable DMI probing feature on IN9 32X MAX hwmon: (abituguru3) Match partial DMI board name strings hwmon: Add a driver for the ADT7475 hardware monitoring chip hwmon: (k8temp) Fix temperature reporting for (most) K8 RevG CPUs hwmon: (k8temp) Fix wrong sensor selection for AMD K8 RevF/RevG CPUs hwmon: (k8temp) Warn about fam F rev F errata
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Roland Dreier authored
If INET=y and INFINIBAND=y, but IPV6=m then INFINIBAND_ADDR_TRANS is set to n and the RDMA CM functions rdma_connect() et al are not built. However, the current config dependencies allow NET_9P_RDMA to be selected in this, which leads to a build failure. Fix this by adding a dependency on INFINIBAND_ADDR_TRANS to disallow NET_9P_RDMA in this case. Reported-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
Roland Dreier <rolandd@cisco.com> Acked-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jan Kara authored
We used to just write changed page for IS_DIRSYNC inodes. But we also have to update the directory inode itself just for the case that we've allocated a new block and changed i_size. [akpm@linux-foundation.org: still sync the data page] Signed-off-by:
Jan Kara <jack@suse.cz> Tested-by:
Pavel Machek <pavel@suse.cz> Signed-off-by:
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David Brownell authored
Carry out the PM-routine interface change in the USB OTG pathway. This was omitted from the earlier interface-change patch by mistake. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Cc: Greg KH <greg@kroah.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Felipe Balbi <felipe.balbi@nokia.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by:
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Jaswinder Singh Rajput authored
Impact: fix 15 make headers_check warnings: include of <linux/types.h> is preferred over <asm/types.h> Signed-off-by:
Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Li Zefan authored
(suppose: memcg->use_hierarchy == 0 and memcg->swappiness == 60) echo 10 > /memcg/0/swappiness | mem_cgroup_swappiness_write() | ... | echo 1 > /memcg/0/use_hierarchy | mkdir /mnt/0/1 | sub_memcg->swappiness = 60; memcg->swappiness = 10; | In the above scenario, we end up having 2 different swappiness values in a single hierarchy. We should hold cgroup_lock() when cheking cgrp->children list. Signed-off-by:Li Zefan <lizf@cn.fujitsu.com> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Paul Menage <menage@google.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by:
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Li Zefan authored
At system boot when creating the top cgroup, mem_cgroup_create() calls enable_swap_cgroup() which is marked as __init, so mark mem_cgroup_create() as __ref to avoid false section mismatch warning. Reported-by:
Rakib Mullick <rakib.mullick@gmail.com> Signed-off-by:
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Pavel Machek authored
The LED on HP notebooks is connected through ACPI. That unfortunately means that it needs to be delayed by using schedule_work() to avoid calling the ACPI interpreter from an invalid context. [akpm@linux-foundation.org: use flush_work() rather than sort-of reimplementing it] Signed-off-by:
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Pavel Machek authored
Fix lis3 documentation to fit into 80 columns. Signed-off-by:
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Eric Piel authored
Move the second part of the HP laptop disk protection functionality (a red led) to the same driver. From a purely Linux developer's point of view, the led and the accelerometer have nothing related. However, they correspond to the same ACPI functionality, and so will always be used together, moreover as they share the same ACPI PNP alias, there is no other simple to allow to have same loaded at the same time if they are not in the same module. Also make it requires the led class to compile and update the Kconfig text. Signed-off-by:
Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by:
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Andrew Morton authored
David points out that the idr_remove_all() function returns unused slabs to the kmem cache, but needs to zero them first or else they will be uninitialized upon next use. This causes crashes which have been observed in the firewire subsystem. He fixed this by zeroing the object before freeing it in idr_remove_all(). But we agree that simply removing the constructor and zeroing the object at allocation time is simpler than relying upon slab constructor machinery and might even be faster. This problem was introduced by "idr: make idr_remove rcu-safe" (commit cf481c20), which was first released in 2.6.27. There are no known codesites which trigger this bug in 2.6.27 or 2.6.28. The post-2.6.28 firewire changes are the only known triggerer. There might of course be not-yet-discovered triggerers in 2.6.27 and 2.6.28, and there might be out-of-tree triggerers which are added to those kernel versions. I'll let the -stable guys decide whether they want to backport this fix. Reported-by:
David Moore <dcm@acm.org> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Cc: Paul E. McKenney <paulmck@us.ibm.com> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Kristian Hgsberg <krh@redhat.com> Acked-by:
Pekka Enberg <penberg@cs.helsinki.fi> Cc: <stable@kernel.org> Signed-off-by:
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Ivan Kokshaysky authored
As it's just a single call to __get_free_page(). Signed-off-by:
Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by:
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Ivan Kokshaysky authored
Signed-off-by:
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Ivan Kokshaysky authored
Unlike other alphas, marvel doesn't have real PC-style CMOS clock hardware - RTC accesses are emulated via PAL calls. Unfortunately, for unknown reason these calls work only on CPU #0. So current implementation for arbitrary CPU makes CMOS_READ/WRITE to be executed on CPU #0 via IPI. However, for obvious reason this doesn't work with standard get/set_rtc_time() functions, where a bunch of CMOS accesses is done with disabled interrupts. Solved by making the IPI calls for entire get/set_rtc_time() functions, not for individual CMOS accesses. Which is also a lot more effective performance-wise. The patch is largely based on the code from Jay Estabrook. My changes: - tweak asm-generic/rtc.h by adding a couple of #defines to avoid a massive code duplication in arch/alpha/include/asm/rtc.h; - sys_marvel.c: fix get/set_rtc_time() return values (Jay's FIXMEs). NOTE: this fixes *only* LIB_RTC drivers. Legacy (CONFIG_RTC) driver wont't work on marvel. Actually I think that we should just disable CONFIG_RTC on alpha (maybe in 2.6.30?), like most other arches - AFAIK, all modern distributions use LIB_RTC anyway. Signed-off-by:
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Ivan Kokshaysky authored
Recently introduced generic pci_common_swizzle() relies on bus->self being NULL for the root PCI bus. But on nautilus bus->self points to the host bridge device, which is necessary as we do a root bus sizing on this system. As a result, pci_common_swizzle() loops infinitely. This worked until 2.6.29-rc1 because the alpha-specific swizzle routine checked for bus->parent == NULL (instead of bus->self). Fixed by clearing bus->self after bus sizing is done. Signed-off-by:
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Ivan Kokshaysky authored
init_srm_irq() deals with irq's #16 and above, but size of irq_desc array on nautilus and some other system types is 16. So gcc-4.3 complains that "array subscript is above array bounds", even though this function is never called on those systems. This adds a check for NR_IRQS <= 16, which effectively optimizes init_srm_irq() code away on problematic platforms. Thanks to Daniel Drake <dsd@gentoo.org> for detailed analysis of the problem. Signed-off-by:
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Andrew Morton authored
Revert commit e97a630e ("mm: vmalloc use mutex for purge") Bryan Donlan reports: : After testing 2.6.29-rc1 on xen-x86 with a btrfs root filesystem, I : got the OOPS quoted below and a hard freeze shortly after boot. : Boot messages and config are attached. : : ------------[ cut here ]------------ : Kernel BUG at c05ef80d [verbose debug info unavailable] : invalid opcode: 0000 [#1] SMP : last sysfs file: /sys/block/xvdc/size : Modules linked in: : : Pid: 0, comm: swapper Not tainted (2.6.29-rc1 #6) : EIP: 0061:[<c05ef80d>] EFLAGS: 00010087 CPU: 2 : EIP is at schedule+0x7cd/0x950 : EAX: d5aeca80 EBX: 00000002 ECX: 00000000 EDX: d4cb9a40 : ESI: c12f5600 EDI: d4cb9a40 EBP: d6033fa4 ESP: d6033ef4 : DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 : Process swapper (pid: 0, ti=d6032000 task=d6020b70 task.ti=d6032000) : Stack: : 000d85bc 00000000 000186a0 00000000 0dd11410 c0105417 c12efe00 0dc367c3 : 00000011 c0105d46 d5a5d310 deadbeef d4cb9a40 c07cc600 c05f1340 c12e0060 : deadbeef d6020b70 d6020d08 00000002 c014377d 00000000 c12f5600 00002c22 : Call Trace: : [<c0105417>] xen_force_evtchn_callback+0x17/0x30 : [<c0105d46>] check_events+0x8/0x12 : [<c05f1340>] _spin_unlock_irqrestore+0x20/0x40 : [<c014377d>] hrtimer_start_range_ns+0x12d/0x2e0 : [<c014c4f6>] tick_nohz_restart_sched_tick+0x146/0x160 : [<c0107485>] cpu_idle+0xa5/0xc0 and bisected it to this commit. Let's remove it now while we have a think about the problem. Reported-by:
Bryan Donlan <bdonlan@gmail.com> Tested-by:
Christophe Saout <christophe@saout.de> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by:
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Daisuke Nishimura authored
In previous implementation, mem_cgroup_try_charge checked the return value of mem_cgroup_try_to_free_pages, and just retried if some pages had been reclaimed. But now, try_charge(and mem_cgroup_hierarchical_reclaim called from it) only checks whether the usage is less than the limit. This patch tries to change the behavior as before to cause oom less frequently. Signed-off-by:
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by:
Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by:
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Daisuke Nishimura authored
If root_mem has no children, last_scaned_child is set to root_mem itself. But after some children added to root_mem, mem_cgroup_get_next_node can mem_cgroup_put the root_mem although root_mem has not been mem_cgroup_get. This patch fixes this behavior by: - Set last_scanned_child to NULL if root_mem has no children or DFS search has returned to root_mem itself(root_mem is not a "child" of root_mem). Make mem_cgroup_get_first_node return root_mem in this case. There are no mem_cgroup_get/put for root_mem. - Rename mem_cgroup_get_next_node to __mem_cgroup_get_next_node, and mem_cgroup_get_first_node to mem_cgroup_get_next_node. Make mem_cgroup_hierarchical_reclaim call only new mem_cgroup_get_next_node. Signed-off-by:
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Daisuke Nishimura authored
There is a bug in error path of mem_cgroup_move_parent. Extra refcnt got from try_charge should be dropped, and usages incremented by try_charge should be decremented in both error paths: A: failure at get_page_unless_zero B: failure at isolate_lru_page This bug makes this parent directory unremovable. In case of A, rmdir doesn't return, because res.usage doesn't go down to 0 at mem_cgroup_force_empty even after all the pc in lru are removed. In case of B, rmdir fails and returns -EBUSY, because it has extra ref counts even after res.usage goes down to 0. Signed-off-by: -
Daisuke Nishimura authored
In case of swapin, a new page is added to lru before it is charged, so page->pc->mem_cgroup points to NULL or last mem_cgroup the page was charged before. In the latter case, if the mem_cgroup has already freed by rmdir, the area pointed to by page->pc->mem_cgroup may have invalid data. Actually, I saw general protection fault. general protection fault: 0000 [#1] SMP last sysfs file: /sys/devices/system/cpu/cpu15/cache/index1/shared_cpu_map CPU 4 Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6 autofs4 hidp rfcomm l2cap bluetooth sunrpc dm_mirror dm_region_hash dm_log dm_multipath dm_mod rfkill input_polldev sbs sbshc battery ac lp sg ide_cd_mod cdrom button serio_raw acpi_memhotplug parport_pc e1000 rtc_cmos parport rtc_core rtc_lib i2c_i801 i2c_core shpchp pcspkr ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [last unloaded: microcode] Pid: 26038, comm: page01 Tainted: G W 2.6.28-rc9-mm1-mmotm-2008-12-22-16-14-f2ab3dea #1 RIP: 0010:[<ffffffff8028e710>] [<ffffffff8028e710>] update_page_reclaim_stat+0x2f/0x42 RSP: 0000:ffff8801ee457da8 EFLAGS: 00010002 RAX: 32353438312021c8 RBX: 0000000000000000 RCX: 32353438312021c8 RDX: 0000000000000000 RSI: ffff8800cb0b1000 RDI: ffff8801164d1d28 RBP: ffff880110002cb8 R08: ffff88010f2eae23 R09: 0000000000000001 R10: ffff8800bc514b00 R11: ffff880110002c00 R12: 0000000000000000 R13: ffff88000f484100 R14: 0000000000000003 R15: 00000000001200d2 FS: 00007f8a261726f0(0000) GS:ffff88010f2eaa80(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00007f8a25d22000 CR3: 00000001ef18c000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process page01 (pid: 26038, threadinfo ffff8801ee456000, task ffff8800b585b960) Stack: ffffe200071ee568 ffff880110001f00 0000000000000000 ffffffff8028ea17 ffff88000f484100 0000000000000000 0000000000000020 00007f8a25d22000 ffff8800bc514b00 ffffffff8028ec34 0000000000000000 0000000000016fd8 Call Trace: [<ffffffff8028ea17>] ? ____pagevec_lru_add+0xc1/0x13c [<ffffffff8028ec34>] ? drain_cpu_pagevecs+0x36/0x89 [<ffffffff802a4f8c>] ? swapin_readahead+0x78/0x98 [<ffffffff8029a37a>] ? handle_mm_fault+0x3d9/0x741 [<ffffffff804da654>] ? do_page_fault+0x3ce/0x78c [<ffffffff804d7a42>] ? trace_hardirqs_off_thunk+0x3a/0x3c [<ffffffff804d860f>] ? page_fault+0x1f/0x30 Code: cc 55 48 8d af b8 0d 00 00 48 89 f7 53 89 d3 e8 39 85 02 00 48 63 d3 48 ff 44 d5 10 45 85 e4 74 05 48 ff 44 d5 00 48 85 c0 74 0e <48> ff 44 d0 10 45 85 e4 74 04 48 ff 04 d0 5b 5d 41 5c c3 41 54 RIP [<ffffffff8028e710>] update_page_reclaim_stat+0x2f/0x42 RSP <ffff8801ee457da8> Signed-off-by: -
Alex Murray authored
The light sensors ALV0 and ALV1 on newer MacBooks (early 2008 and later) changed to report 10 bytes instead the earlier 6, and the sensor encoding subsequently changed. As a result, the reported light sensors readings are much too low. Via experiments leading up to this patch, it seems only the ALV0 is reporting data, and the most useful value therein is a 10-bit big-endian value at offset 6. This suggests that a new protocol was added as a backward-compatible replacement on top of the old one. This patch makes applesmc report the improved light sensor reading for the new machines, on a scale in conformance with earlier ones. Signed-off-by:
Alex Murray <murray.alex@gmail.com> Signed-off-by:
Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by:
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Andy Whitcroft authored
Signed-off-by:
Andy Whitcroft <apw@canonical.com> Signed-off-by:
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Andy Whitcroft authored
In the general use case struct seq_operations should be a const object. Check for and warn where it is not. Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Andy Whitcroft authored
We should not be continuing a braced section with an if, for example: if (...) { } if (...) { } Detect this and suggest adding a newline. Signed-off-by: -
Andy Whitcroft authored
When we allow return to have surrounding parentheses when containing comparison operators we are not correctly handling the case where the values contain array sufffixes. Squash them. Signed-off-by:
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Andy Whitcroft authored
We should not be complaining about the prefix spacing for types and casts. We are triggering here because the check for spacing between '*'s is overly loose. Tighten this up. Signed-off-by:
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Andy Whitcroft authored
If the #if opening statement is not in the context then the context stack can be empty. Handle this by ensuring there is always a blank entry in the stack. Signed-off-by:
Dhaval Giani <dhaval@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Pavel Machek authored
Two nbd-clients at same time are bad idea, and cause WARN_ON from nbd in 2.6.28-rc7 from sysfs_add_one. This simply prevents that from happening. To reproduce: cat /dev/zero | head -c 10000000 > /tmp/delme.fstest.fs nbd-server 9100 -l /anyone.can.connect > /tmp/delme.fstest.fs & sleep 1 nbd-client localhost 9100 /dev/nd0 & nbd-client localhost 9100 /dev/nd0 & Signed-off-by:
Paul Clements <paul.clements@steeleye.com> Signed-off-by:
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Qinghuang Feng authored
Use the standard magic.h for btrfs and squashfs. Signed-off-by:
Qinghuang Feng <qhfeng.kernel@gmail.com> Cc: Phillip Lougher <phillip@lougher.demon.co.uk> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by:
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Pavel Machek authored
Now that people are using freezer for non-suspend/hibernation stuff, it should have separate maintainers entry so that it is easier to find. Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by:
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Randy Dunlap authored
Fix __request_region() parameter kernel-doc notation and parameter name: Warning(linux-2.6.28-git10//kernel/resource.c:627): No description found for parameter 'flags' Signed-off-by:
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Randy Dunlap authored
Fix jbd header file kernel-doc notation: Warning(linux-2.6.28-git13//include/linux/jbd.h:823): No description found for parameter 'j_average_commit_time' Signed-off-by:
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Marcus Meissner authored
When no option is passed to getdelays it just hangs, waiting for a reply which will never come. This patch prints usage() when no output marker is specified. Signed-off-by:
Marcus Meissner <meissner@suse.de> Signed-off-by:
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