- 07 5月, 2014 8 次提交
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由 Vlastimil Babka 提交于
The compaction freepage scanner implementation in isolate_freepages() starts by taking the current cc->free_pfn value as the first pfn. In a for loop, it scans from this first pfn to the end of the pageblock, and then subtracts pageblock_nr_pages from the first pfn to obtain the first pfn for the next for loop iteration. This means that when cc->free_pfn starts at offset X rather than being aligned on pageblock boundary, the scanner will start at offset X in all scanned pageblock, ignoring potentially many free pages. Currently this can happen when a) zone's end pfn is not pageblock aligned, or b) through zone->compact_cached_free_pfn with CONFIG_HOLES_IN_ZONE enabled and a hole spanning the beginning of a pageblock This patch fixes the problem by aligning the initial pfn in isolate_freepages() to pageblock boundary. This also permits replacing the end-of-pageblock alignment within the for loop with a simple pageblock_nr_pages increment. Signed-off-by: NVlastimil Babka <vbabka@suse.cz> Reported-by: NHeesub Shin <heesub.shin@samsung.com> Acked-by: NMinchan Kim <minchan@kernel.org> Cc: Mel Gorman <mgorman@suse.de> Acked-by: NJoonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Michal Nazarewicz <mina86@mina86.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Christoph Lameter <cl@linux.com> Acked-by: NRik van Riel <riel@redhat.com> Cc: Dongjun Shin <d.j.shin@samsung.com> Cc: Sunghwan Yun <sunghwan.yun@samsung.com> 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 Seth Jennings 提交于
sjenning@linux.vnet.ibm.com is no longer a viable entity. Signed-off-by: NSeth Jennings <sjennings@variantweb.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rik van Riel 提交于
It is possible for "limit - setpoint + 1" to equal zero, after getting truncated to a 32 bit variable, and resulting in a divide by zero error. Using the fully 64 bit divide functions avoids this problem. It also will cause pos_ratio_polynom() to return the correct value when (setpoint - limit) exceeds 2^32. Also uninline pos_ratio_polynom, at Andrew's request. Signed-off-by: NRik van Riel <riel@redhat.com> Reviewed-by: NMichal Hocko <mhocko@suse.cz> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com> 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 Nishanth Aravamudan 提交于
Currently, I am seeing the following when I `mount -t hugetlbfs /none /dev/hugetlbfs`, and then simply do a `ls /dev/hugetlbfs`. I think it's related to the fact that hugetlbfs is properly not correctly setting itself up in this state?: Unable to handle kernel paging request for data at address 0x00000031 Faulting instruction address: 0xc000000000245710 Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=2048 NUMA pSeries .... In KVM guests on Power, in a guest not backed by hugepages, we see the following: AnonHugePages: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 64 kB HPAGE_SHIFT == 0 in this configuration, which indicates that hugepages are not supported at boot-time, but this is only checked in hugetlb_init(). Extract the check to a helper function, and use it in a few relevant places. This does make hugetlbfs not supported (not registered at all) in this environment. I believe this is fine, as there are no valid hugepages and that won't change at runtime. [akpm@linux-foundation.org: use pr_info(), per Mel] [akpm@linux-foundation.org: fix build when HPAGE_SHIFT is undefined] Signed-off-by: NNishanth Aravamudan <nacc@linux.vnet.ibm.com> Reviewed-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: NMel Gorman <mgorman@suse.de> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Vladimir Davydov 提交于
After creating a cache for a memcg we should initialize its sysfs attrs with the values from its parent. That's what memcg_propagate_slab_attrs is for. Currently it's broken - we clearly muddled root-vs-memcg caches there. Let's fix it up. Signed-off-by: NVladimir Davydov <vdavydov@parallels.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Chris Cui 提交于
PCF8523 uses 1-12 to represent month according to datasheet. link: www.nxp.com/documents/data_sheet/PCF8523.pdf. Signed-off-by: NChris Cui <chris.wei.cui@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> 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/mszeredi/fuse由 Linus Torvalds 提交于
Pull fuse fixes from Miklos Szeredi: "This adds ctime update in the new cached writeback mode and also fixes/simplifies the mtime update handling. Support for rename flags (aka renameat2) is also added to the userspace API" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: add renameat2 support fuse: clear MS_I_VERSION fuse: clear FUSE_I_CTIME_DIRTY flag on setattr fuse: trust kernel i_ctime only fuse: remove .update_time fuse: allow ctime flushing to userspace fuse: fuse: add time_gran to INIT_OUT fuse: add .write_inode fuse: clean up fsync fuse: fuse: fallocate: use file_update_time() fuse: update mtime on open(O_TRUNC) in atomic_o_trunc mode fuse: update mtime on truncate(2) fuse: do not use uninitialized i_mode fuse: fix mtime update error in fsync fuse: check fallocate mode fuse: add __exit to fuse_ctl_cleanup
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
Pull sparc fixes from David Miller: "I've been auditing the THP support on sparc64 and found several bugs, hopefully most of which are fixed completely here. Also an RT kernel locking fix from Kirill Tkhai" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Give more detailed information in {pgd,pmd}_ERROR() and kill pte_ERROR(). sparc64: Add basic validations to {pud,pmd}_bad(). sparc64: Use 'ILOG2_4MB' instead of constant '22'. sparc64: Fix range check in kern_addr_valid(). sparc64: Fix top-level fault handling bugs. sparc64: Handle 32-bit tasks properly in compute_effective_address(). sparc64: Don't use _PAGE_PRESENT in pte_modify() mask. sparc64: Fix hex values in comment above pte_modify(). sparc64: Fix bugs in get_user_pages_fast() wrt. THP. sparc64: Fix huge PMD invalidation. sparc64: Fix executable bit testing in set_pmd_at() paths. sparc64: Normalize NMI watchdog logging and behavior. sparc64: Make itc_sync_lock raw sparc64: Fix argument sign extension for compat_sys_futex().
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- 06 5月, 2014 29 次提交
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由 David Miller 提交于
If freelist_idx_t is a byte, SLAB_OBJ_MAX_NUM should be 255 not 256, and likewise if freelist_idx_t is a short, then it should be 65535 not 65536. This was leading to all kinds of random crashes on sparc64 where PAGE_SIZE is 8192. One problem shown was that if spinlock debugging was enabled, we'd get deadlocks in copy_pte_range() or do_wp_page() with the same cpu already holding a lock it shouldn't hold, or the lock belonging to a completely unrelated process. Fixes: a41adfaa ("slab: introduce byte sized index for the freelist of a slab") Signed-off-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Joonsoo Kim 提交于
Commit a41adfaa ("slab: introduce byte sized index for the freelist of a slab") changes the size of freelist index and also changes prototype of accessor function to freelist index. And there was a mistake. The mistake is that although it changes the size of freelist index correctly, it changes the size of the index of freelist index incorrectly. With patch, freelist index can be 1 byte or 2 bytes, that means that num of object on on a slab can be more than 255. So we need more than 1 byte for the index to find the index of free object on freelist. But, above patch makes this index type 1 byte, so slab which have more than 255 objects cannot work properly and in consequence of it, the system cannot boot. This issue was reported by Steven King on m68knommu which would use 2 bytes freelist index: https://lkml.org/lkml/2014/4/16/433 To fix is easy. To change the type of the index of freelist index on accessor functions is enough to fix this bug. Although 2 bytes is enough, I use 4 bytes since it have no bad effect and make things more easier. This fix was suggested and tested by Steven in his original report. Signed-off-by: NJoonsoo Kim <iamjoonsoo.kim@lge.com> Reported-and-acked-by: NSteven King <sfking@fdwdc.com> Acked-by: NChristoph Lameter <cl@linux.com> Tested-by: NJames Hogan <james.hogan@imgtec.com> Tested-by: NDavid Miller <davem@davemloft.net> Cc: Pekka Enberg <penberg@kernel.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
Pull networking fixes from David Miller: 1) e1000e computes header length incorrectly wrt vlans, fix from Vlad Yasevich. 2) ns_capable() check in sock_diag netlink code, from Andrew Lutomirski. 3) Fix invalid queue pairs handling in virtio_net, from Amos Kong. 4) Checksum offloading busted in sxgbe driver due to incorrect descriptor layout, fix from Byungho An. 5) Fix build failure with SMC_DEBUG set to 2 or larger, from Zi Shen Lim. 6) Fix uninitialized A and X registers in BPF interpreter, from Alexei Starovoitov. 7) Fix arch dependencies of candence driver. 8) Fix netlink capabilities checking tree-wide, from Eric W Biederman. 9) Don't dump IFLA_VF_PORTS if netlink request didn't ask for it in IFLA_EXT_MASK, from David Gibson. 10) IPV6 FIB dump restart doesn't handle table changes that happen meanwhile, causing the code to loop forever or emit dups, fix from Kumar Sandararajan. 11) Memory leak on VF removal in bnx2x, from Yuval Mintz. 12) Bug fixes for new Altera TSE driver from Vince Bridgers. 13) Fix route lookup key in SCTP, from Xugeng Zhang. 14) Use BH blocking spinlocks in SLIP, as per a similar fix to CAN/SLCAN driver. From Oliver Hartkopp. 15) TCP doesn't bump retransmit counters in some code paths, fix from Eric Dumazet. 16) Clamp delayed_ack in tcp_cubic to prevent theoretical divides by zero. Fix from Liu Yu. 17) Fix locking imbalance in error paths of HHF packet scheduler, from John Fastabend. 18) Properly reference the transport module when vsock_core_init() runs, from Andy King. 19) Fix buffer overflow in cdc_ncm driver, from Bjørn Mork. 20) IP_ECN_decapsulate() doesn't see a correct SKB network header in ip_tunnel_rcv(), fix from Ying Cai. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (132 commits) net: macb: Fix race between HW and driver net: macb: Remove 'unlikely' optimization net: macb: Re-enable RX interrupt only when RX is done net: macb: Clear interrupt flags net: macb: Pass same size to DMA_UNMAP as used for DMA_MAP ip_tunnel: Set network header properly for IP_ECN_decapsulate() e1000e: Restrict MDIO Slow Mode workaround to relevant parts e1000e: Fix issue with link flap on 82579 e1000e: Expand workaround for 10Mb HD throughput bug e1000e: Workaround for dropped packets in Gig/100 speeds on 82579 net/mlx4_core: Don't issue PCIe speed/width checks for VFs net/mlx4_core: Load the Eth driver first net/mlx4_core: Fix slave id computation for single port VF net/mlx4_core: Adjust port number in qp_attach wrapper when detaching net: cdc_ncm: fix buffer overflow Altera TSE: ALTERA_TSE should depend on HAS_DMA vsock: Make transport the proto owner net: sched: lock imbalance in hhf qdisc net: mvmdio: Check for a valid interrupt instead of an error net phy: Check for aneg completion before setting state to PHY_RUNNING ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb由 Linus Torvalds 提交于
Pull USB fixes from Greg KH: "Here are some small fixes and device ids for 3.15-rc4. All have been in linux-next just fine" * tag 'usb-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: Nokia 5300 should be treated as unusual dev USB: Nokia 305 should be treated as unusual dev fsl-usb: do not test for PHY_CLK_VALID bit on controller version 1.6 usb: storage: shuttle_usbat: fix discs being detected twice usb: qcserial: add a number of Dell devices USB: OHCI: fix problem with global suspend on ATI controllers usb: gadget: at91-udc: fix irq and iomem resource retrieval usb: phy: fsm: change "|" to "||" for condition OTG_STATE_A_WAIT_BCON at statemachine usb: phy: fsm: update OTG HNP state transition
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty由 Linus Torvalds 提交于
Pull tty/serial fixes from Greg KH: "Here are some tty and serial driver fixes for things reported recently" * tag 'tty-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: Fix lockless tty buffer race Revert "tty: Fix race condition between __tty_buffer_request_room and flush_to_ldisc" drivers/tty/hvc: don't free hvc_console_setup after init n_tty: Fix n_tty_write crash when echoing in raw mode tty: serial: 8250_core.c Bug fix for Exar chips.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
Pull staging / iio fixes from Greg KH: "Here are some small IIO driver fixes for 3.15-rc4 that resolve some reported issues" * tag 'staging-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: iio: adc: Nothing in ADC should be a bool CONFIG iio: exynos_adc: use indio_dev->dev structure to handle child nodes iio:imu:mpu6050: Fixed segfault in Invensens MPU driver due to null dereference staging:iio:ad2s1200 fix missing parenthesis in a for statment.
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git://github.com/czankel/xtensa-linux由 Linus Torvalds 提交于
Pull Xtensa fixes from Chris Zankel: - Fixes allmodconfig, allnoconfig builds - Adds highmem support - Enables build-time exception table sorting. * tag 'xtensa-next-20140503' of git://github.com/czankel/xtensa-linux: xtensa: ISS: don't depend on CONFIG_TTY xtensa: xt2000: drop redundant sysmem initialization xtensa: add support for KC705 xtensa: xtfpga: introduce SoC I/O bus xtensa: add HIGHMEM support xtensa: optimize local_flush_tlb_kernel_range xtensa: dump sysmem from the bootmem_init xtensa: handle memmap kernel option xtensa: keep sysmem banks ordered in mem_reserve xtensa: keep sysmem banks ordered in add_sysmem_bank xtensa: split bootparam and kernel meminfo xtensa: enable sorting extable at build time xtensa: export __{invalidate,flush}_dcache_range xtensa: Export __invalidate_icache_range
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client由 Linus Torvalds 提交于
Pull Ceph fixes from Sage Weil: "First, there is a critical fix for the new primary-affinity function that went into -rc1. The second batch of patches from Zheng fix a range of problems with directory fragmentation, readdir, and a few odds and ends for cephfs" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: reserve caps for file layout/lock MDS requests ceph: avoid releasing caps that are being used ceph: clear directory's completeness when creating file libceph: fix non-default values check in apply_primary_affinity() ceph: use fpos_cmp() to compare dentry positions ceph: check directory's completeness before emitting directory entry
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由 Soren Brinkmann 提交于
Under "heavy" RX load, the driver cannot handle the descriptors fast enough. In detail, when a descriptor is consumed, its used flag is cleared and once the RX budget is consumed all descriptors with a cleared used flag are prepared to receive more data. Under load though, the HW may constantly receive more data and use those descriptors with a cleared used flag before they are actually prepared for next usage. The head and tail pointers into the RX-ring should always be valid and we can omit clearing and checking of the used flag. Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Soren Brinkmann 提交于
Coverage data suggests that the unlikely case of receiving data while the receive handler is running may not be that unlikely. Coverage data after running iperf for a while: 91320: 891: work_done = bp->macbgem_ops.mog_rx(bp, budget); 91320: 892: if (work_done < budget) { 2362: 893: napi_complete(napi); -: 894: -: 895: /* Packets received while interrupts were disabled */ 4724: 896: status = macb_readl(bp, RSR); 2362: 897: if (unlikely(status)) { 762: 898: if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) 762: 899: macb_writel(bp, ISR, MACB_BIT(RCOMP)); -: 900: napi_reschedule(napi); -: 901: } else { 1600: 902: macb_writel(bp, IER, MACB_RX_INT_FLAGS); -: 903: } -: 904: } Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Soren Brinkmann 提交于
When data is received during the driver processing received data the NAPI is re-scheduled. In that case the RX interrupt should not be re-enabled. Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Soren Brinkmann 提交于
A few interrupt flags were not cleared in the ISR, resulting in a sytem trapped in the ISR in cases one of those interrupts occurred. Clear all flags to avoid such situations. Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Soren Brinkmann 提交于
Just as commit "net: macb: DMA-unmap full rx-buffer" (48330e08), pass the size that was used for mapping the memory also to the unmap routine to avoid warnings from the DMA_API. Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ying Cai 提交于
In ip_tunnel_rcv(), set skb->network_header to inner IP header before IP_ECN_decapsulate(). Without the fix, IP_ECN_decapsulate() takes outer IP header as inner IP header, possibly causing error messages or packet drops. Note that this skb_reset_network_header() call was in this spot when the original feature for checking consistency of ECN bits through tunnels was added in eccc1bb8 ("tunnel: drop packet if ECN present with not-ECT"). It was only removed from this spot in 3d7b46cd ("ip_tunnel: push generic protocol handling to ip_tunnel module."). Fixes: 3d7b46cd ("ip_tunnel: push generic protocol handling to ip_tunnel module.") Reported-by: NNeal Cardwell <ncardwell@google.com> Signed-off-by: NYing Cai <ycai@google.com> Acked-by: NNeal Cardwell <ncardwell@google.com> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net由 David S. Miller 提交于
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates This series contains updates to e1000e only. David provides four fixes for e1000e, first is a workaround for a hardware erratum on 82579 devices which experienced packet loss in gigabit and 100 speeds when interconnect between the PHY and MAC is exiting K1 power saving state. Second expands the scope of a workaround to include i217 and i218 parts as well to address over aggressive transmit behavior when connecting at 10Mbs half-duplex. Next is to resolve a reported link flap issue on 82579 parts which was root caused as an interoperability problem between 82579 and at least some Broadcom PHYs in the Energy Efficient Ethernet wake mechanism. Lastly, restricts the workaround of putting the PHY into MDIO slow mode to access the PHY id to relevant parts since this issue has been fixed on the newer hardware. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ertman 提交于
It has been determined that the workaround of putting the PHY into MDIO slow mode to access the PHY id is not necessary with Lynx Point and newer parts. The issue that necessitated the workaround has been fixed on the newer hardware. We will maintains, as a last ditch attempt, the conversion to MDIO Slow Mode in the failure branch when attempting to access the PHY id so as to cover all contingencies. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
Several customers have reported a link flap issue on 82579. The symptoms are random and intermittent link losses when 82579 is connected to specific link partners. Issue has been root caused as interoperability problem between 82579 and at least some Broadcom PHYs in the Energy Efficient Ethernet wake mechanism. To fix the issue, we are disabling the Phase Locked Loop shutdown in 100M Low Power Idle. This solution will cause an increase of power in 100M EEE link. It will cost additional 28mW in this specific mode. Cc: Lukasz Adamczuk <lukasz.adamczuk@intel.com> Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
In commit 772d05c5 "e1000e: slow performance between two 82579 connected via 10Mbit hub", a workaround was put into place to address the overaggressive transmit behavior of 82579 parts when connecting at 10Mbs half-duplex. This same behavior is seen on i217 and i218 parts as well. This patch expands the original workaround to encompass these parts. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David Ertman 提交于
This is a workaround for a HW erratum on 82579 devices. Erratum is #23 in Intel 6 Series Chipset and Intel C200 Series Chipset specification Update June 2013. Problem: 82579 parts experience packet loss in Gig and 100 speeds when interconnect between PHY and MAC is exiting K1 power saving state. This was previously believed to only affect 1Gig speed, but has been observed at 100Mbs also. Workaround: Disable K1 for 82579 devices at Gig and 100 speeds. Signed-off-by: NDave Ertman <davidx.m.ertman@intel.com> Tested-by: NAaron Brown <aaron.f.brown@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 David S. Miller 提交于
Or Gerlitz says: ==================== This series contains fixes for 3.15-rc, mostly around SRIOV. The patches by Jack, Matan and myself fix few issues related to mlx4 SRIOV support for RoCE and single port VFs, and the patch from Eyal eliminates checking PCI caps for VFs which is misleading. Patches done against the net tree, commit 014f1b20 "net: bonding: Fix format string mismatch in bond_sysfs.c" We'd be happy to get Eyal's patch queued in your -stable list for 3.14.y ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eyal Perry 提交于
Carrying out PCI speed/width checks through pcie_get_minimum_link() on VFs yield wrong results, so remove them. Fixes: b912b2f8 ('net/mlx4_core: Warn if device doesn't have enough PCI bandwidth') Signed-off-by: NEyal Perry <eyalpe@mellanox.com> Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Or Gerlitz 提交于
When running in SRIOV mode, VM that is assigned with a non-provisioned Ethernet VFs get themselves a random mac when the Eth driver starts. In this case, if the IB driver startup code that deals with RoCE runs first, it will use a zero mac as the source mac for the Para-Virtual CM MADs which is buggy. To handle that, we change the order of loading. Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matan Barak 提交于
The code that deals with computing the slave id based on a given GID gave wrong results when the number of single port VFs wasn't the same for port 1 vs. port 2 and the relevant VF is single ported on port 2. As a result, incoming CM MADs were dispatched to the wrong VF. Fixed that and added documentation to clarify the computation steps. Fixes: 449fc488 ('net/mlx4: Adapt code for N-Port VF') Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
When using single ported VFs and the VF is using port 2, we need to adjust the port accordingly (change it from 1 to 2). Fixes: 449fc488 ('net/mlx4: Adapt code for N-Port VF') Signed-off-by: NMatan Barak <matanb@mellanox.com> Signed-off-by: NJack Morgenstein <jackm@mellanox.com> Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Bjørn Mork 提交于
Commit 4d619f62 ("net: cdc_ncm: no point in filling up the NTBs if we send ZLPs") changed the padding logic for devices with the ZLP flag set. This meant that frames of any size will be sent without additional padding, except for the single byte added if the size is a multiple of the USB packet size. But if the unpadded size is identical to the maximum frame size, and the maximum size is a multiplum of the USB packet size, then this one-byte padding will overflow the buffer. Prevent padding if already at maximum frame size, letting usbnet transmit a ZLP instead in this case. Fixes: 4d619f62 ("net: cdc_ncm: no point in filling up the NTBs if we send ZLPs") Reported by: Yu-an Shih <yshih@nvidia.com> Signed-off-by: NBjørn Mork <bjorn@mork.no> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Geert Uytterhoeven 提交于
If NO_DMA=y: drivers/built-in.o: In function `altera_tse_probe': altera_tse_main.c:(.text+0x25ec2e): undefined reference to `dma_set_mask' altera_tse_main.c:(.text+0x25ec78): undefined reference to `dma_supported' altera_tse_main.c:(.text+0x25ecb6): undefined reference to `dma_supported' drivers/built-in.o: In function `sgdma_async_read': altera_sgdma.c:(.text+0x25f620): undefined reference to `dma_sync_single_for_cpu' drivers/built-in.o: In function `sgdma_uninitialize': (.text+0x25f678): undefined reference to `dma_unmap_single' drivers/built-in.o: In function `sgdma_uninitialize': (.text+0x25f696): undefined reference to `dma_unmap_single' drivers/built-in.o: In function `sgdma_initialize': (.text+0x25f6f0): undefined reference to `dma_map_single' drivers/built-in.o: In function `sgdma_initialize': (.text+0x25f702): undefined reference to `dma_mapping_error' drivers/built-in.o: In function `sgdma_tx_buffer': (.text+0x25f92a): undefined reference to `dma_sync_single_for_cpu' drivers/built-in.o: In function `sgdma_rx_status': (.text+0x25fa24): undefined reference to `dma_sync_single_for_cpu' make[3]: *** [vmlinux] Error 1 Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Acked-by: NVince Bridgers <vbridgers2013@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andy King 提交于
Right now the core vsock module is the owner of the proto family. This means there's nothing preventing the transport module from unloading if there are open sockets, which results in a panic. Fix that by allowing the transport to be the owner, which will refcount it properly. Includes version bump to 1.0.1.0-k Passes checkpatch this time, I swear... Acked-by: NDmitry Torokhov <dtor@vmware.com> Signed-off-by: NAndy King <acking@vmware.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless由 David S. Miller 提交于
John W. Linville says: ==================== pull request: wireless 2014-05-01 Please pull the following batch of fixes intended for the 3.15 stream! For the Bluetooth bits, Gustavo says: "Some fixes for 3.15. There is a revert for the intel driver, a new device id, and two important SSP fixes from Johan." On top of that... Ben Hutchings gives us a fix for an unbalanced irq enable in an rtl8192cu error path. Colin Ian King provides an rtlwifi fix for an uninitialized variable. Felix Fietkau brings a pair of ath9k fixes, one that corrects a hardware initialization value and another that removes an (unnecessary) flag that was being used in a way that led to a software tx queue hang in ath9k. Gertjan van Wingerde pushes a MAINTAINERS change to remove himself from the rt2x00 maintainer team. Hans de Goede fixes a brcmfmac firmware load hang. Larry Finger changes rtlwifi to use the correct queue for V0 traffic on rtl8192se. Rajkumar Manoharan corrects a race in ath9k driver initialization. Stanislaw Gruszka fixes an rt2x00 bug in which disabling beaconing once on USB devices led to permanently disabling beaconing for those devices. Tim Harvey provides fixes for a pair of ath9k issues that can lead to soft lockups in that driver. Please let me know if there are problems! ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Max Filippov 提交于
Build console support only when CONFIG_TTY is selected. This restores ISS as the default platform for allnoconfig builds. Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com> Signed-off-by: NChris Zankel <chris@zankel.net>
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- 05 5月, 2014 3 次提交
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由 Christoph Hellwig 提交于
Unpaired quotes really confuse mutt when copy & pasting it into the To: form. Signed-off-by: NChristoph Hellwig <hch@lst.de> [ I'm going to remove all silly quotes entirely one day, but that day is not today. So I'll just apply this - Linus ] Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.infradead.org/linux-ubifs由 Linus Torvalds 提交于
Pull ubifs fixes from Artem Bityutskiy: "This includes the following fixes: - two real bug-fixes from Tanya for the still "experimental" UBI fastmap feature - a one-liner from Kees which hardens kernel security - a small error-path fix, where we forget to free various resources in case of failure - spotted by the 'smatch' tool" * tag 'upstream-3.15-rc5' of git://git.infradead.org/linux-ubifs: UBI: avoid workqueue format string leak UBI: fix ubi free PEBs count calculation UBI: fix error path in __wl_get_peb UBIFS: fix remount error path
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由 Matthew Daley 提交于
Do not leak kernel-only floppy_raw_cmd structure members to userspace. This includes the linked-list pointer and the pointer to the allocated DMA space. Signed-off-by: NMatthew Daley <mattd@bugfuzz.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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