- 24 6月, 2007 7 次提交
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由 Olaf Kirch 提交于
Having walked through the entire skbuff, skb_seq_read would leave the last fragment mapped. As a consequence, the unwary caller would leak kmaps, and proceed with preempt_count off by one. The only (kind of non-intuitive) workaround is to use skb_seq_read_abort. This patch makes sure skb_seq_read always unmaps frag_data after having cycled through the skb's paged part. Signed-off-by: NOlaf Kirch <olaf.kirch@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Shannon Nelson 提交于
This moves the local_irq_enable() call in net_rx_action() to before calling the CONFIG_NET_DMA's dma_async_memcpy_issue_pending() rather than after. This shortens the irq disabled window and allows for DMA drivers that need to do their own irq hold. Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jens Axboe 提交于
tcp_read_sock() currently assumes that the recv_actor() only returns number of bytes copied. For network splice receive, we may have to return an error in some cases. So allow the actor to return a negative error value. Signed-off-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Konstantin Sharlaimov 提交于
The mppe_decompress() function required a buffer that is 1 byte too small when receiving a message of mru size. This fixes buffer allocation to prevent this from occurring. Signed-off-by: NKonstantin Sharlaimov <konstantin.sharlaimov@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
This can cause packet buffer overflows in certain cases, the real bug will be fixed differently in a followon changeset. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Westphal 提交于
The tipc netlink config handler uses the nlmsg_pid from the request header as destination for its reply. If the application initialized nlmsg_pid to 0, the reply is looped back to the kernel, causing hangup. Fix: use nlmsg_pid of the skb that triggered the request. Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
secmark doesn't depend on CONFIG_NET_SCHED. Signed-off-by: NPatrick McHardy <kaber@trash.net> Acked-by: NJames Morris <jmorris@namei.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 23 6月, 2007 7 次提交
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由 Satyam Sharma 提交于
When CONFIG_INET=y and CONFIG_SYSCTL=n: In file included from net/core/netpoll.c:16: include/linux/inetdevice.h:15: error: '__NET_IPV4_CONF_MAX' undeclared here (not in a function) make[2]: *** [net/core/netpoll.o] Error 1 make[1]: *** [net/core] Error 2 make: *** [net] Error 2 So #include sysctl.h from inetdevice.h. Signed-off-by: NSatyam Sharma <satyam.sharma@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki 提交于
Bug reported by Haruhito Watanabe <haruhito@sfc.keio.ac.jp>. Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yasuyuki Kozakai 提交于
There is no realistic situation to change helper (Who wants IRC helper to track FTP traffic ?). Moreover, if we want to do that, we need to fix race issue by nfctnetlink and running helper. That will add overhead to packet processing. It wouldn't pay. So this rejects the request to change helper. The requests to add or remove helper are accepted as ever. Signed-off-by: NYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jerome Borsboom 提交于
Signed-off-by: NJerome Borsboom <j.borsboom@erasmusmc.nl> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Linus Torvalds 提交于
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin arch: add proper const volatile to addr argument to the read functions Blackfin arch: Add definition of dma_mapping_error Blackfin arch: move cond_syscall() behind __KERNEL__ like all other architectures Blackfin arch: match kernel startup messaage with new linker script Blackfin arch: add missing braces around array bfin serial init Blackfin arch: update printk to use KERN_EMERG and reformat crash output Blackfin arch: update ANOMALY handling
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/mlx4: Correct max_srq_wr returned from mlx4_ib_query_device() IPoIB/cm: Remove dead definition of struct ipoib_cm_id IPoIB/cm: Fix interoperability when MTU doesn't match IPoIB/cm: Initialize RX before moving QP to RTR IB/umem: Fix possible hang on process exit
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由 Linus Torvalds 提交于
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [AF_RXRPC]: Return the number of bytes buffered in rxrpc_send_data() [IPVS]: Fix state variable on failure to start ipvs threads [XFRM]: Fix MTU calculation for non-ESP SAs
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- 22 6月, 2007 15 次提交
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由 Arjan van de Ven 提交于
Do not mark the kernel text read only if KPROBES is in the kernel; kprobes needs to hot-patch the kernel text to insert it's instrumentation. In this case, only mark the .rodata segment as read only. Signed-off-by: NArjan van de Ven <arjan@linux.intel.com> Tested-by: NS. P. Prasanna <prasanna@in.ibm.com> Cc: Andi Kleen <ak@suse.de> Cc: William Cohen <wcohen@redhat.com> Cc: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart: [AGPGART] intel_agp: don't load if no IGD and AGP port
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6由 Linus Torvalds 提交于
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: [PARISC] unwinder improvements [PARISC] Fix unwinder on 64-bit kernels [PARISC] Handle wrapping in expand_upwards() [PARISC] stop lcd driver from stripping initial whitespace
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由 Thomas Gleixner 提交于
posix-timers which deliver an ignored signal are currently rearmed in the timer softirq: This is necessary because the timer needs to be delivered again when SIG_IGN is removed. This is not a problem, when the interval is reasonable. With high resolution timers enabled one might arm a posix timer with a very small interval and ignore the signal. This might lead to a softirq starvation when the interval is so small that the timer is requeued onto the softirq pending list right away. This problem was pointed out by Jan Kiszka. Thanks Jan ! The correct solution would be to stop the timer, when the signal is ignored and rearm it when SIG_IGN is removed. Unfortunately this requires modification in sigaction and involves non trivial sighand locking. It's too late in the release cycle for such a change. For now we just keep the timer running and enforce that the timer only fires every jiffie. This does not break anything as we keep the overrun counter correct. It adds a little inaccuracy to the timer_gettime() interface, but... The more complex change is necessary anyway to fix another short coming of the current implementation, which I discovered while looking at this problem: A pending signal is discarded when SIG_IGN is set. In case that a posixtimer signal is pending then it is discarded as well, but when SIG_IGN is removed later nothing rearms the timer. This is not new, it's that way since posix timers have been merged. So nothing to worry about right now. I have a working solution to fix all of this, but the impact is too large for both stable and 2.6.22. I'm going to send it out for review in the next days. This should go into 2.6.21.stable as well. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Acked-by: NIngo Molnar <mingo@elte.hu> Cc: Jan Kiszka <jan.kiszka@web.de> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Stable Team <stable@kernel.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Hugh Dickins 提交于
Nicolas Ferre reports oops from flush_dcache_page() on ARM when using SLUB: which reuses page->mapping as page->slab. The page_mapping() function, used by ARM and PA-RISC flush_dcache_page() implementations, must not confuse SLUB pages with those which have page->mapping set. Signed-off-by: NHugh Dickins <hugh@veritas.com> Cc: Nicolas Ferre <nicolas.ferre@rfo.atmel.com> Cc: Christoph Lameter <clameter@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Randolph Chung 提交于
Add special-case handling for "handle_interruption" so that we can rewind past the interruption. This is useful for seeing what caused a BUG() or WARN_ON(); otherwise the unwind stops at the interruption. Signed-off-by: NRandolph Chung <tausq@debian.org> Signed-off-by: NKyle McMartin <kyle@parisc-linux.org>
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由 Randolph Chung 提交于
The unwinder was broken by the shift of PAGE_OFFSET in order to increase the size of the vmalloc area on 64-bit kernels. Signed-off-by: NRandolph Chung <tausq@debian.org> Signed-off-by: NKyle McMartin <kyle@parisc-linux.org>
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由 Helge Deller 提交于
Function expand_upwards() did not guarded against wrapping around to address 0. This fixes the adjtimex02 testcase from the Linux Test Project on a 32bit PARISC kernel. [expand_upwards is only used on parisc and ia64; it looks like it does the right thing on both. --kyle] Signed-off-by: NHelge Deller <deller@gmx.de> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: NKyle McMartin <kyle@parisc-linux.org>
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由 Julian Stecklina 提交于
Signed-off-by: NJulian Stecklina <der_julian@web.de> Signed-off-by: NKyle McMartin <kyle@parisc-linux.org>
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由 Jack Morgenstein 提交于
We need to keep a spare entry in the SRQ so that there always is a next WQE available when posting receives (so that we can tell the difference between a full queue and an empty queue). So subtract 1 from the value HW gives us before reporting the limit on SRQ entries to consumers. Found by Mellanox QA. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Roland Dreier 提交于
It's completely unused. Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Michael S. Tsirkin 提交于
IPoIB connected mode currently rejects a connection request unless the supported MTU is >= the local netdevice MTU. This breaks interoperability with implementations that might have tweaked IPOIB_CM_MTU, and there's real no longer a reason to do so: this test is just a leftover from when we did not tweak MTU per-connection. Fix this by making the test as permissive as possible. Signed-off-by: NMichael S. Tsirkin <mst@dev.mellanox.co.il> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Michael S. Tsirkin 提交于
Fix a crasher bug in IPoIB CM: once a QP is in the RTR state, a receive completion (or even an asynchronous error) might be observed on this QP, so we have to initialize all of our receive data structures before moving to the RTR state. As an optimization (since modify_qp might take a long time), the jiffies update done when moving RX to the passive_ids list is also left in place to reduce the chance of the RX being misdetected as stale. This fixes bug <https://bugs.openfabrics.org/show_bug.cgi?id=662>. Signed-off-by: NMichael S. Tsirkin <mst@dev.mellanox.co.il> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Roland Dreier 提交于
If ib_umem_release() is called after ib_uverbs_close() sets context->closing, then a process can get stuck in a D state, because the code boils down to if (down_write_trylock(&mm->mmap_sem)) down_write(&mm->mmap_sem); which is obviously a stupid instant deadlock. Fix the code so that we only try to take the lock once. This bug was introduced in commit f7c6a7b5 ("IB/uverbs: Export ib_umem_get()/ib_umem_release() to modules") which fortunately never made it into a release, and was reported by Pete Wyckoff <pw@osc.edu>. Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Wang Zhenyu 提交于
After i915 chip, GMCH has no AGP port. Origin bridge driver in device table will try to access illegal regs like APBASE, APSIZE, etc. This may cause problem. So mark them as NULL in the table, we won't load if no IGD got detect and bridge has no AGP port. Signed-off-by: NWang Zhenyu <zhenyu.z.wang@intel.com> Signed-off-by: NDave Jones <davej@redhat.com>
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- 21 6月, 2007 11 次提交
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Sonic Zhang 提交于
Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Robin Getz 提交于
Signed-off-by: NRobin Getz <robin.getz@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Robin Getz 提交于
to look like: return address: [0x0357fcc4]; contents of: 0x0357fca0: fcbc 0357 fe20 0357 0009 0000 6a8c 0345 0x0357fcb0: 000e 0000 fcc4 0357 fd44 0357 e128 00ad 0x0357fcc0: 00a0 0000 [000e] 0000 0000 0000 0080 0000 0x0357fcd0: 0000 0000 0000 0000 00a0 0000 000e 0000 instruction in [] is the offending instruction Signed-off-by: NRobin Getz <robin.getz@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Robin Getz 提交于
update lists for 533, 537, and add SSYNC workaround into assembly files. Signed-off-by: NRobin Getz <robin.getz@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com>
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由 Linus Torvalds 提交于
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: fix module_param mistake in it821x ahci: fix PORTS_IMPL override kerneldoc fix in libata libata: more NONCQ devices pata_it821x: (partially) fix DMA in RAID mode PATA: Add the MCP73/77 support to PATA driver
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由 Stas Sergeev 提交于
The attached patch fixes a trivial mistake in a MODULE_PARAM_DESC of pata_it821x driver. The parameter name in MODULE_PARAM_DESC should match the one in module_param_named. Signed-off-by: NStas Sergeev <stsp@aknet.ru> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Tejun Heo 提交于
If PORTS_IMPL register is zero, ahci initialize it to full mask corresponding to nr_ports in the CAP register. hpriv->cap, which is initialized at the end of the function, is incorrectly used as value of CAP causing ahci to always override PORTS_IMPL to 0x1 if it's zero. Fix it. This fixes a bug where early ich6 ahci can only access the first port. Signed-off-by: NTejun Heo <htejun@gmail.com> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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由 Henrik Kretzschmar 提交于
Fix parameter name from ata_dev_reread_id() in libata-core.c for kerneldoc. Signed-off-by: NHenrik Kretzschmar <henne@nachtwindheim.de> Signed-off-by: NJeff Garzik <jeff@garzik.org>
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