- 01 11月, 2011 10 次提交
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由 Minchan Kim 提交于
Change ISOLATE_XXX macro with bitwise isolate_mode_t type. Normally, macro isn't recommended as it's type-unsafe and making debugging harder as symbol cannot be passed throught to the debugger. Quote from Johannes " Hmm, it would probably be cleaner to fully convert the isolation mode into independent flags. INACTIVE, ACTIVE, BOTH is currently a tri-state among flags, which is a bit ugly." This patch moves isolate mode from swap.h to mmzone.h by memcontrol.h Signed-off-by: NMinchan Kim <minchan.kim@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Minchan Kim 提交于
acct_isolated of compaction uses page_lru_base_type which returns only base type of LRU list so it never returns LRU_ACTIVE_ANON or LRU_ACTIVE_FILE. In addtion, cc->nr_[anon|file] is used in only acct_isolated so it doesn't have fields in conpact_control. This patch removes fields from compact_control and makes clear function of acct_issolated which counts the number of anon|file pages isolated. Signed-off-by: NMinchan Kim <minchan.kim@gmail.com> Acked-by: NJohannes Weiner <hannes@cmpxchg.org> Reviewed-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: NMel Gorman <mgorman@suse.de> Acked-by: NRik van Riel <riel@redhat.com> Reviewed-by: NMichal Hocko <mhocko@suse.cz> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christopher Yeoh 提交于
The basic idea behind cross memory attach is to allow MPI programs doing intra-node communication to do a single copy of the message rather than a double copy of the message via shared memory. The following patch attempts to achieve this by allowing a destination process, given an address and size from a source process, to copy memory directly from the source process into its own address space via a system call. There is also a symmetrical ability to copy from the current process's address space into a destination process's address space. - Use of /proc/pid/mem has been considered, but there are issues with using it: - Does not allow for specifying iovecs for both src and dest, assuming preadv or pwritev was implemented either the area read from or written to would need to be contiguous. - Currently mem_read allows only processes who are currently ptrace'ing the target and are still able to ptrace the target to read from the target. This check could possibly be moved to the open call, but its not clear exactly what race this restriction is stopping (reason appears to have been lost) - Having to send the fd of /proc/self/mem via SCM_RIGHTS on unix domain socket is a bit ugly from a userspace point of view, especially when you may have hundreds if not (eventually) thousands of processes that all need to do this with each other - Doesn't allow for some future use of the interface we would like to consider adding in the future (see below) - Interestingly reading from /proc/pid/mem currently actually involves two copies! (But this could be fixed pretty easily) As mentioned previously use of vmsplice instead was considered, but has problems. Since you need the reader and writer working co-operatively if the pipe is not drained then you block. Which requires some wrapping to do non blocking on the send side or polling on the receive. In all to all communication it requires ordering otherwise you can deadlock. And in the example of many MPI tasks writing to one MPI task vmsplice serialises the copying. There are some cases of MPI collectives where even a single copy interface does not get us the performance gain we could. For example in an MPI_Reduce rather than copy the data from the source we would like to instead use it directly in a mathops (say the reduce is doing a sum) as this would save us doing a copy. We don't need to keep a copy of the data from the source. I haven't implemented this, but I think this interface could in the future do all this through the use of the flags - eg could specify the math operation and type and the kernel rather than just copying the data would apply the specified operation between the source and destination and store it in the destination. Although we don't have a "second user" of the interface (though I've had some nibbles from people who may be interested in using it for intra process messaging which is not MPI). This interface is something which hardware vendors are already doing for their custom drivers to implement fast local communication. And so in addition to this being useful for OpenMPI it would mean the driver maintainers don't have to fix things up when the mm changes. There was some discussion about how much faster a true zero copy would go. Here's a link back to the email with some testing I did on that: http://marc.info/?l=linux-mm&m=130105930902915&w=2 There is a basic man page for the proposed interface here: http://ozlabs.org/~cyeoh/cma/process_vm_readv.txt This has been implemented for x86 and powerpc, other architecture should mainly (I think) just need to add syscall numbers for the process_vm_readv and process_vm_writev. There are 32 bit compatibility versions for 64-bit kernels. For arch maintainers there are some simple tests to be able to quickly verify that the syscalls are working correctly here: http://ozlabs.org/~cyeoh/cma/cma-test-20110718.tgzSigned-off-by: NChris Yeoh <yeohc@au1.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Howells <dhowells@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: <linux-man@vger.kernel.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Wanlong Gao 提交于
Fix the wrong use of schedule_hrtimeout_range_clock() in wq_sleep(), although it is harmless for the syscall mq_timed* now. It was introduced by 9ca7d8e6 ("mqueue: Convert message queue timeout to use hrtimers"). Signed-off-by: NWanlong Gao <gaowanlong@cn.fujitsu.com> Cc: Carsten Emde <C.Emde@osadl.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
The display of the "huge" tag was accidentally removed in 29ea2f69 ("mm: use walk_page_range() instead of custom page table walking code"). Reported-by: NStephen Hemminger <shemminger@vyatta.com> Tested-by: NStephen Hemminger <shemminger@vyatta.com> Reviewed-by: NStephen Wilson <wilsons@start.ca> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Hugh Dickins <hughd@google.com> Acked-by: NDavid Rientjes <rientjes@google.com> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: <stable@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
x86_64 allnoconfig: In file included from arch/x86/kernel/pci-dma.c:3: include/linux/dmar.h:248: warning: 'struct acpi_dmar_header' declared inside parameter list include/linux/dmar.h:248: warning: its scope is only this definition or declaration, which is probably not what you want Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Clemens Ladisch 提交于
Commit 5fd75a78 (dma-mapping: remove unnecessary sync_single_range_* in dma_map_ops) unified not only the dma_map_ops but also the corresponding debug_dma_sync_* calls. This led to spurious WARN()ings like the following because the DMA debug code was no longer able to detect the DMA buffer base address without the separate offset parameter: WARNING: at lib/dma-debug.c:911 check_sync+0xce/0x446() firewire_ohci 0000:04:00.0: DMA-API: device driver tries to sync DMA memory it has not allocated [device address=0x00000000cedaa400] [size=1024 bytes] Call Trace: ... [<ffffffff811326a5>] check_sync+0xce/0x446 [<ffffffff81132ad9>] debug_dma_sync_single_for_device+0x39/0x3b [<ffffffffa01d6e6a>] ohci_queue_iso+0x4f3/0x77d [firewire_ohci] ... To fix this, unshare the sync_single_* and sync_single_range_* implementations so that we are able to call the correct debug_dma_sync_* functions. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NClemens Ladisch <clemens@ladisch.de> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits) vlan: allow nested vlan_do_receive() ipv6: fix route lookup in addrconf_prefix_rcv() bonding: eliminate bond_close race conditions qlcnic: fix beacon and LED test. qlcnic: Updated License file qlcnic: updated reset sequence qlcnic: reset loopback mode if promiscous mode setting fails. qlcnic: skip IDC ack check in fw reset path. i825xx: Fix incorrect dependency for BVME6000_NET ipv6: fix route error binding peer in func icmp6_dst_alloc ipv6: fix error propagation in ip6_ufo_append_data() stmmac: update normal descriptor structure (v2) stmmac: fix NULL pointer dereference in capabilities fixup (v2) stmmac: fix a bug while checking the HW cap reg (v2) be2net: Changing MAC Address of a VF was broken. be2net: Refactored be_cmds.c file. bnx2x: update driver version to 1.70.30-0 bnx2x: use FW 7.0.29.0 bnx2x: Enable changing speed when port type is PORT_DA bnx2x: Fix 54618se LED behavior ...
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Fix masking and shifting in VIS fpcmp emulation. sparc32: Correct the return value of memcpy. sparc32: Remove uses of %g7 in memcpy implementation. sparc32: Remove non-kernel code from memcpy implementation.
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git://neil.brown.name/md由 Linus Torvalds 提交于
* 'for-linus' of git://neil.brown.name/md: md/raid10: Fix bug when activating a hot-spare.
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- 31 10月, 2011 7 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 NeilBrown 提交于
This is a fairly serious bug in RAID10. When a RAID10 array is degraded and a hot-spare is activated, the spare does not take up the empty slot, but rather replaces the first working device. This is likely to make the array non-functional. It would normally be possible to recover the data, but that would need care and is not guaranteed. This bug was introduced in commit 2bb77736 which first appeared in 3.1. Cc: stable@kernel.org Signed-off-by: NNeilBrown <neilb@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging由 Linus Torvalds 提交于
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c: Functions for byte-swapped smbus_write/read_word_data i2c-algo-pca: Return standard fault codes i2c-algo-bit: Return standard fault codes i2c-algo-bit: Be verbose on bus testing failure i2c-algo-bit: Let user test buses without failing i2c/scx200_acb: Fix section mismatch warning in scx200_pci_drv i2c: I2C_ELEKTOR should depend on HAS_IOPORT
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu由 Linus Torvalds 提交于
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (33 commits) iommu/core: Remove global iommu_ops and register_iommu iommu/msm: Use bus_set_iommu instead of register_iommu iommu/omap: Use bus_set_iommu instead of register_iommu iommu/vt-d: Use bus_set_iommu instead of register_iommu iommu/amd: Use bus_set_iommu instead of register_iommu iommu/core: Use bus->iommu_ops in the iommu-api iommu/core: Convert iommu_found to iommu_present iommu/core: Add bus_type parameter to iommu_domain_alloc Driver core: Add iommu_ops to bus_type iommu/core: Define iommu_ops and register_iommu only with CONFIG_IOMMU_API iommu/amd: Fix wrong shift direction iommu/omap: always provide iommu debug code iommu/core: let drivers know if an iommu fault handler isn't installed iommu/core: export iommu_set_fault_handler() iommu/omap: Fix build error with !IOMMU_SUPPORT iommu/omap: Migrate to the generic fault report mechanism iommu/core: Add fault reporting mechanism iommu/core: Use PAGE_SIZE instead of hard-coded value iommu/core: use the existing IS_ALIGNED macro iommu/msm: ->unmap() should return order of unmapped page ... Fixup trivial conflicts in drivers/iommu/Makefile: "move omap iommu to dedicated iommu folder" vs "Rename the DMAR and INTR_REMAP config options" just happened to touch lines next to each other.
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: amd64_edac: Cleanup return type of amd64_determine_edac_cap() amd64_edac: Add a fix for Erratum 505 EDAC, MCE, AMD: Simplify NB MCE decoder interface EDAC, MCE, AMD: Drop local coreid reporting EDAC, MCE, AMD: Print valid addr when reporting an error EDAC, MCE, AMD: Print CPU number when reporting the error
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm由 Linus Torvalds 提交于
* 'kvm-updates/3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (75 commits) KVM: SVM: Keep intercepting task switching with NPT enabled KVM: s390: implement sigp external call KVM: s390: fix register setting KVM: s390: fix return value of kvm_arch_init_vm KVM: s390: check cpu_id prior to using it KVM: emulate lapic tsc deadline timer for guest x86: TSC deadline definitions KVM: Fix simultaneous NMIs KVM: x86 emulator: convert push %sreg/pop %sreg to direct decode KVM: x86 emulator: switch lds/les/lss/lfs/lgs to direct decode KVM: x86 emulator: streamline decode of segment registers KVM: x86 emulator: simplify OpMem64 decode KVM: x86 emulator: switch src decode to decode_operand() KVM: x86 emulator: qualify OpReg inhibit_byte_regs hack KVM: x86 emulator: switch OpImmUByte decode to decode_imm() KVM: x86 emulator: free up some flag bits near src, dst KVM: x86 emulator: switch src2 to generic decode_operand() KVM: x86 emulator: expand decode flags to 64 bits KVM: x86 emulator: split dst decode to a generic decode_operand() KVM: x86 emulator: move memop, memopp into emulation context ...
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git://github.com/schandinat/linux-2.6由 Linus Torvalds 提交于
* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (270 commits) video: platinumfb: Add __devexit_p at necessary place drivers/video: fsl-diu-fb: merge diu_pool into fsl_diu_data drivers/video: fsl-diu-fb: merge diu_hw into fsl_diu_data drivers/video: fsl-diu-fb: only DIU modes 0 and 1 are supported drivers/video: fsl-diu-fb: remove unused panel operating mode support drivers/video: fsl-diu-fb: use an enum for the AOI index drivers/video: fsl-diu-fb: add several new video modes drivers/video: fsl-diu-fb: remove broken screen blanking support drivers/video: fsl-diu-fb: move some definitions out of the header file drivers/video: fsl-diu-fb: fix some ioctls video: da8xx-fb: Increased resolution configuration of revised LCDC IP OMAPDSS: picodlp: add missing #include <linux/module.h> fb: fix au1100fb bitrot. mx3fb: fix NULL pointer dereference in screen blanking. video: irq: Remove IRQF_DISABLED smscufx: change edid data to u8 instead of char OMAPDSS: DISPC: zorder support for DSS overlays OMAPDSS: DISPC: VIDEO3 pipeline support OMAPDSS/OMAP_VOUT: Fix incorrect OMAP3-alpha compatibility setting video/omap: fix build dependencies ... Fix up conflicts in: - drivers/staging/xgifb/XGI_main_26.c Changes to XGIfb_pan_var() - drivers/video/omap/{lcd_apollon.c,lcd_ldp.c,lcd_overo.c} Removed (or in the case of apollon.c, merged into the generic DSS panel in drivers/video/omap2/displays/panel-generic-dpi.c)
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- 30 10月, 2011 21 次提交
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由 Jonathan Cameron 提交于
Reimplemented at least 17 times discounting error mangling cases where it could be used. Signed-off-by: NJonathan Cameron <jic23@cam.ac.uk> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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由 Jean Delvare 提交于
Adjust i2c-algo-pca to return fault codes compliant with Documentation/i2c/fault-codes, rather than the undocumented and vague -EREMOTEIO. Signed-off-by: NJean Delvare <khali@linux-fr.org> Cc: Wolfram Sang <w.sang@pengutronix.de>
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由 Jean Delvare 提交于
Adjust i2c-algo-bit to return fault codes compliant with Documentation/i2c/fault-codes, rather than the undocumented and vague -EREMOTEIO. Signed-off-by: NJean Delvare <khali@linux-fr.org>
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由 Jean Delvare 提交于
If bus testing fails due to the bus being seen as busy, it might be helpful for developers to know which line is unexpectedly low. Signed-off-by: NJean Delvare <jdelvare@suse.de> Reviewed-by: NAlex Deucher <alexdeucher@gmail.com>
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由 Jean Delvare 提交于
Always failing to register I2C buses when the line testing fails is a little harsh. While such a failure is definitely a bug in the driver that exposes the affected I2C bus, things may still work fine if the missing initialization steps are done later, before the I2C bus is used. So it seems a better debugging tool to just report the test failure by default. I introduce bit_test=2 if anyone really misses the original behavior of bit_test=1. Signed-off-by: NJean Delvare <jdelvare@suse.de> Reviewed-by: NAlex Deucher <alexdeucher@gmail.com>
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由 Harvey Yang 提交于
WARNING: drivers/i2c/busses/built-in.o(.data+0x47c8): Section mismatch in reference from the variable scx200_pci_drv to the function .devinit.text:scx200_probe() The variable scx200_pci_drv references the function __devinit scx200_probe() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console Signed-off-by: NHarvey Yang <harvey.huawei.yang@gmail.com> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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由 Geert Uytterhoeven 提交于
On m68k, I get: drivers/i2c/busses/i2c-elektor.c: In function ‘pcf_isa_init’: drivers/i2c/busses/i2c-elektor.c:153: error: implicit declaration of function ‘ioport_map’ drivers/i2c/busses/i2c-elektor.c:153: warning: assignment makes pointer from integer without a cast drivers/i2c/busses/i2c-elektor.c: In function ‘elektor_probe’: drivers/i2c/busses/i2c-elektor.c:287: error: implicit declaration of function ‘ioport_unmap’ Since commit 82ed223c ("iomap: make IOPORT/PCI mapping functions conditional"), ioport_map() is only available on platforms that set HAS_IOPORT. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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由 Jan Kiszka 提交于
AMD processors apparently have a bug in the hardware task switching support when NPT is enabled. If the task switch triggers a NPF, we can get wrong EXITINTINFO along with that fault. On resume, spurious exceptions may then be injected into the guest. We were able to reproduce this bug when our guest triggered #SS and the handler were supposed to run over a separate task with not yet touched stack pages. Work around the issue by continuing to emulate task switches even in NPT mode. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Christian Ehrhardt 提交于
Implement sigp external call, which might be required for guests that issue an external call instead of an emergency signal for IPI. This fixes an issue with "KVM: unknown SIGP: 0x02" when booting such an SMP guest. Signed-off-by: NChristian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Carsten Otte 提交于
KVM common code does vcpu_load prior to calling our arch ioctls and vcpu_put after we're done here. Via the kvm_arch_vcpu_load/put callbacks we do load the fpu and access register state into the processor, which saves us moving the state on every SIE exit the kernel handles. However this breaks register setting from userspace, because of the following sequence: 1a. vcpu load stores userspace register content 1b. vcpu load loads guest register content 2. kvm_arch_vcpu_ioctl_set_fpu/sregs updates saved guest register content 3a. vcpu put stores the guest registers and overwrites the new content 3b. vcpu put loads the userspace register set again This patch loads the new guest register state into the cpu, so that the correct (new) set of guest registers will be stored in step 3a. Signed-off-by: NCarsten Otte <cotte@de.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Carsten Otte 提交于
This patch fixes the return value of kvm_arch_init_vm in case a memory allocation goes wrong. Signed-off-by: NCarsten Otte <cotte@de.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Carsten Otte 提交于
We use the cpu id provided by userspace as array index here. Thus we clearly need to check it first. Ooops. CC: <stable@vger.kernel.org> Signed-off-by: NCarsten Otte <cotte@de.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Eric Dumazet 提交于
commit 2425717b (net: allow vlan traffic to be received under bond) broke ARP processing on vlan on top of bonding. +-------+ eth0 --| bond0 |---bond0.103 eth1 --| | +-------+ 52870.115435: skb_gro_reset_offset <-napi_gro_receive 52870.115435: dev_gro_receive <-napi_gro_receive 52870.115435: napi_skb_finish <-napi_gro_receive 52870.115435: netif_receive_skb <-napi_skb_finish 52870.115435: get_rps_cpu <-netif_receive_skb 52870.115435: __netif_receive_skb <-netif_receive_skb 52870.115436: vlan_do_receive <-__netif_receive_skb 52870.115436: bond_handle_frame <-__netif_receive_skb 52870.115436: vlan_do_receive <-__netif_receive_skb 52870.115436: arp_rcv <-__netif_receive_skb 52870.115436: kfree_skb <-arp_rcv Packet is dropped in arp_rcv() because its pkt_type was set to PACKET_OTHERHOST in the first vlan_do_receive() call, since no eth0.103 exists. We really need to change pkt_type only if no more rx_handler is about to be called for the packet. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Reviewed-by: NJiri Pirko <jpirko@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andreas Hofmeister 提交于
The route lookup to find a previously auto-configured route for a prefixes used to use rt6_lookup(), with the prefix from the RA used as an address. However, that kind of lookup ignores routing tables, the prefix length and route flags, so when there were other matching routes, even in different tables and/or with a different prefix length, the wrong route would be manipulated. Now, a new function "addrconf_get_prefix_route()" is used for the route lookup, which searches in RT6_TABLE_PREFIX and takes the prefix-length and route flags into account. Signed-off-by: NAndreas Hofmeister <andi@collax.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jay Vosburgh 提交于
This patch resolves two sets of race conditions. Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com> reported the first, as follows: The bond_close() calls cancel_delayed_work() to cancel delayed works. It, however, cannot cancel works that were already queued in workqueue. The bond_open() initializes work->data, and proccess_one_work() refers get_work_cwq(work)->wq->flags. The get_work_cwq() returns NULL when work->data has been initialized. Thus, a panic occurs. He included a patch that converted the cancel_delayed_work calls in bond_close to flush_delayed_work_sync, which eliminated the above problem. His patch is incorporated, at least in principle, into this patch. In this patch, we use cancel_delayed_work_sync in place of flush_delayed_work_sync, and also convert bond_uninit in addition to bond_close. This conversion to _sync, however, opens new races between bond_close and three periodically executing workqueue functions: bond_mii_monitor, bond_alb_monitor and bond_activebackup_arp_mon. The race occurs because bond_close and bond_uninit are always called with RTNL held, and these workqueue functions may acquire RTNL to perform failover-related activities. If bond_close or bond_uninit is waiting in cancel_delayed_work_sync, deadlock occurs. These deadlocks are resolved by having the workqueue functions acquire RTNL conditionally. If the rtnl_trylock() fails, the functions reschedule and return immediately. For the cases that are attempting to perform link failover, a delay of 1 is used; for the other cases, the normal interval is used (as those activities are not as time critical). Additionally, the bond_mii_monitor function now stores the delay in a variable (mimicing the structure of activebackup_arp_mon). Lastly, all of the above renders the kill_timers sentinel moot, and therefore it has been removed. Tested-by: NMitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com> Signed-off-by: NJay Vosburgh <fubar@us.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sucheta Chakraborty 提交于
o Updated version number to 5.0.25 o Do not hold onto RESETTING_BIT for entire duration of LED/ beacon test. Instead, just checking for RESETTING_BIT not set before sending config_led command down to card. o Take rtnl_lock instead of RESETTING_BIT for beacon test while sending config_led command down to make sure interface cannot be brought up/ down. o Allocate and free resources if interface is down before sending the config_led command. This is to make sure config_led command sending doesn't fail. o Clear QLCNIC_LED_ENABLE bit if beacon/ LED test fails to start. Signed-off-by: NSucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: NAnirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sritej Velaga 提交于
Updated qlcnic's license file. Signed-off-by: NSritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: NAnirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sony Chacko 提交于
Signed-off-by: NSony Chacko <sony.chacko@qlogic.com> Signed-off-by: NAnirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sucheta Chakraborty 提交于
If promiscous mode setting fails, reset loopback mode setting in firmware. Signed-off-by: NSucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: NAnirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sritej Velaga 提交于
In fw reset path, we should consider any change in device state as an ack from the other driver. When that happens, we don't have to wait for an explicit ack. Signed-off-by: NSritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: NAnirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 10月, 2011 2 次提交
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git://github.com/rustyrussell/linux由 Linus Torvalds 提交于
* git://github.com/rustyrussell/linux: lguest: move process freezing before pending signals check lguest: don't allow KVM-detection cpuid. lguest: Allow running under paravirt-enabled KVM.
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git://git.secretlab.ca/git/linux-2.6由 Linus Torvalds 提交于
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: ARM: mark empty gpio.h files empty gpio: Fix ARM versatile-express build failure of: include errno.h
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