- 22 Apr, 2015 14 commits
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Gu Zheng authored
commit b0dc3a34 upstream. Qiu Xishi reported the following BUG when testing hot-add/hot-remove node under stress condition: BUG: unable to handle kernel paging request at 0000000000025f60 IP: next_online_pgdat+0x1/0x50 PGD 0 Oops: 0000 [#1] SMP ACPI: Device does not support D3cold Modules linked in: fuse nls_iso8859_1 nls_cp437 vfat fat loop dm_mod coretemp mperf crc32c_intel ghash_clmulni_intel aesni_intel ablk_helper cryptd lrw gf128mul glue_helper aes_x86_64 pcspkr microcode igb dca i2c_algo_bit ipv6 megaraid_sas iTCO_wdt i2c_i801 i2c_core iTCO_vendor_support tg3 sg hwmon ptp lpc_ich pps_core mfd_core acpi_pad rtc_cmos button ext3 jbd mbcache sd_mod crc_t10dif scsi_dh_alua scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh ahci libahci libata scsi_mod [last unloaded: rasf] CPU: 23 PID: 238 Comm: kworker/23:1 Tainted: G O 3.10.15-5885-euler0302 #1 Hardware name: HUAWEI TECHNOLOGIES CO.,LTD. Huawei N1/Huawei N1, BIOS V100R001 03/02/2015 Workqueue: events vmstat_update task: ffffa800d32c0000 ti: ffffa800d32ae000 task.ti: ffffa800d32ae000 RIP: 0010: next_online_pgdat+0x1/0x50 RSP: 0018:ffffa800d32afce8 EFLAGS: 00010286 RAX: 0000000000001440 RBX: ffffffff81da53b8 RCX: 0000000000000082 RDX: 0000000000000000 RSI: 0000000000000082 RDI: 0000000000000000 RBP: ffffa800d32afd28 R08: ffffffff81c93bfc R09: ffffffff81cbdc96 R10: 00000000000040ec R11: 00000000000000a0 R12: ffffa800fffb3440 R13: ffffa800d32afd38 R14: 0000000000000017 R15: ffffa800e6616800 FS: 0000000000000000(0000) GS:ffffa800e6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000025f60 CR3: 0000000001a0b000 CR4: 00000000001407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: refresh_cpu_vm_stats+0xd0/0x140 vmstat_update+0x11/0x50 process_one_work+0x194/0x3d0 worker_thread+0x12b/0x410 kthread+0xc6/0xd0 ret_from_fork+0x7c/0xb0 The cause is the "memset(pgdat, 0, sizeof(*pgdat))" at the end of try_offline_node, which will reset all the content of pgdat to 0, as the pgdat is accessed lock-free, so that the users still using the pgdat will panic, such as the vmstat_update routine. process A: offline node XX: vmstat_updat() refresh_cpu_vm_stats() for_each_populated_zone() find online node XX cond_resched() offline cpu and memory, then try_offline_node() node_set_offline(nid), and memset(pgdat, 0, sizeof(*pgdat)) zone = next_zone(zone) pg_data_t *pgdat = zone->zone_pgdat; // here pgdat is NULL now next_online_pgdat(pgdat) next_online_node(pgdat->node_id); // NULL pointer access So the solution here is postponing the reset of obsolete pgdat from try_offline_node() to hotadd_new_pgdat(), and just resetting pgdat->nr_zones and pgdat->classzone_idx to be 0 rather than the memset 0 to avoid breaking pointer information in pgdat. Signed-off-by:
Gu Zheng <guz.fnst@cn.fujitsu.com> Reported-by:
Xishi Qiu <qiuxishi@huawei.com> Suggested-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Taku Izumi <izumi.taku@jp.fujitsu.com> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Jiri Slaby <jslaby@suse.cz>
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Sudip Mukherjee authored
commit ff6b8090 upstream. we have already allocated memory for nbd_dev, but we were not releasing that memory and just returning the error value. Signed-off-by:
Sudip Mukherjee <sudip@vectorindia.org> Acked-by:
Paul Clements <Paul.Clements@SteelEye.com> Signed-off-by:
Markus Pargmann <mpa@pengutronix.de> Signed-off-by:
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Emmanuel Grumbach authored
commit 9c8928f5 upstream. The assumption before this patch was that we don't need to run again the INIT firmware after the system booted. The INIT firmware runs calibrations which impact the physical layer's behavior. Users reported that it may be helpful to run these calibrations again every time the interface is brought up. The penatly is minimal, since the calibrations run fast. This fixes: https://bugzilla.kernel.org/show_bug.cgi?id=94341Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Shachar Raindel authored
commit 8494057a upstream. Properly verify that the resulting page aligned end address is larger than both the start address and the length of the memory area requested. Both the start and length arguments for ib_umem_get are controlled by the user. A misbehaving user can provide values which will cause an integer overflow when calculating the page aligned end address. This overflow can cause also miscalculation of the number of pages mapped, and additional logic issues. Addresses: CVE-2014-8159 Signed-off-by:
Shachar Raindel <raindel@mellanox.com> Signed-off-by:
Jack Morgenstein <jackm@mellanox.com> Signed-off-by:
Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by:
Roland Dreier <roland@purestorage.com> Signed-off-by:
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Ben Hutchings authored
Commit 355a901e ("tcp: make connect() mem charging friendly") changed tcp_send_syn_data() to perform an open-coded copy of the 'syn' skb rather than using skb_copy_expand(). The open-coded copy does not cover the skb_shared_info::gso_segs field, so in the new skb it is left set to 0. When this commit was backported into stable branches between 3.10.y and 3.16.7-ckty inclusive, it triggered the BUG() in tcp_transmit_skb(). Since Linux 3.18 the GSO segment count is kept in the tcp_skb_cb::tcp_gso_segs field and tcp_send_syn_data() does copy the tcp_skb_cb structure to the new skb, so mainline and newer stable branches are not affected. Set skb_shared_info::gso_segs to the correct value of 1. Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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Joe Perches authored
commit 6436a123 upstream. Return a negative error value like the rest of the entries in this function. Signed-off-by:
Joe Perches <joe@perches.com> Acked-by:
Stephen Smalley <sds@tycho.nsa.gov> [PM: tweaked subject line] Signed-off-by:
Paul Moore <pmoore@redhat.com> Signed-off-by:
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Vineet Gupta authored
commit 6914e1e3 upstream. The regfile provided to SA_SIGINFO signal handler as ucontext was off by one due to pt_regs gutter cleanups in 2013. Before handling signal, user pt_regs are copied onto user_regs_struct and copied back later. Both structs are binary compatible. This was all fine until commit 2fa91904 (ARC: pt_regs update #2) which removed the empty stack slot at top of pt_regs (corresponding to first pad) and made the corresponding fixup in struct user_regs_struct (the pad in there was moved out of @scratch - not removed altogether as it is part of ptrace ABI) struct user_regs_struct { + long pad; struct { - long pad; long bta, lp_start, lp_end,.... } scratch; ... } This meant that now user_regs_struct was off by 1 reg w.r.t pt_regs and signal code needs to user_regs_struct.scratch to reflect it as pt_regs, which is what this commit does. This problem was hidden for 2 years, because both save/restore, despite using wrong location, were using the same location. Only an interim inspection (reproducer below) exposed the issue. void handle_segv(int signo, siginfo_t *info, void *context) { ucontext_t *uc = context; struct user_regs_struct *regs = &(uc->uc_mcontext.regs); printf("regs %x %x\n", <=== prints 7 8 (vs. 8 9) regs->scratch.r8, regs->scratch.r9); } int main() { struct sigaction sa; sa.sa_sigaction = handle_segv; sa.sa_flags = SA_SIGINFO; sigemptyset(&sa.sa_mask); sigaction(SIGSEGV, &sa, NULL); asm volatile( "mov r7, 7 \n" "mov r8, 8 \n" "mov r9, 9 \n" "mov r10, 10 \n" :::"r7","r8","r9","r10"); *((unsigned int*)0x10) = 0; } Fixes: 2fa91904 "ARC: pt_regs update #2: Remove unused gutter at start of pt_regs" Signed-off-by:
Vineet Gupta <vgupta@synopsys.com> Signed-off-by:
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Takashi Iwai authored
commit cc7016ab upstream. Some BIOS version of Fujitsu Lifebook T731 seems to set up the headphone pin (0x21) without the assoc number 0x0f while it's set only to the output on the docking port (0x1a). With the recent commit [03ad6a8c: ALSA: hda - Fix "PCM" name being used on one DAC when there are two DACs], this resulted in the weird mixer element mapping where the headphone on the laptop is assigned as a shared volume with the speaker and the docking port is assigned as an individual headphone. This patch improves the situation by correcting the headphone pin config to the more appropriate value. Reported-and-tested-by:
Taylor Smock <smocktaylor@gmail.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Kailang Yang authored
commit a59d7199 upstream. Pin sense will active when power pin is wake up. Power pin will not wake up immediately during resume state. Add some delay to wait for power pin activated. Signed-off-by:
Kailang Yang <kailang@realtek.com> Signed-off-by:
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Dmitry M. Fedin authored
commit 3dc8523f upstream. Adds an entry for Creative USB X-Fi to the rc_config array in mixer_quirks.c to allow use of volume knob on the device. Adds support for newer X-Fi Pro card, known as "Model No. SB1095" with USB ID "041e:3237" Signed-off-by:
Dmitry M. Fedin <dmitry.fedin@gmail.com> Signed-off-by:
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Hui Wang authored
commit af95b414 upstream. We have a HP machine which use the codec node 0x17 connecting the internal speaker, and from the node capability, we saw the EAPD, if we don't set the EAPD on for this node, the internal speaker can't output any sound. BugLink: https://bugs.launchpad.net/bugs/1436745Signed-off-by:
Hui Wang <hui.wang@canonical.com> Signed-off-by:
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Alex Elder authored
commit 04f9b74e upstream. Now that the definition is centralized in <linux/kernel.h>, the definitions of U32_MAX (and related) elsewhere in the kernel can be removed. Signed-off-by:
Alex Elder <elder@linaro.org> Acked-by:
Sage Weil <sage@inktank.com> Acked-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Alex Elder authored
commit 89a07141 upstream. Create constants that define the maximum and minimum values representable by the kernel types u8, s8, u16, s16, and so on. Signed-off-by:
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Alex Elder authored
commit 77719536 upstream. The symbol U32_MAX is defined in several spots. Change these definitions to be conditional. This is in preparation for the next patch, which centralizes the definition in <linux/kernel.h>. Signed-off-by:
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- 21 Apr, 2015 8 commits
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Peter Hurley authored
commit 5c32d123 upstream. N_TTY's direct and flow-controlled flavors of the .receive_buf() method are nearly identical; fold together. Signed-off-by:
Peter Hurley <peter@hurleysoftware.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Christian Gmeiner authored
commit aadca6fa upstream. Certec BPC600 needs reboot=pci to actually reboot. Signed-off-by:
Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Li Aubrey <aubrey.li@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Dave Jones <davej@redhat.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1399446114-2147-1-git-send-email-christian.gmeiner@gmail.comSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Jiri Slaby authored
commit e56e57f6 upstream. Grouping them by vendor should make it easier to spot duplicates. Signed-off-by:
Dave Jones <davej@fedoraproject.org> Link: http://lkml.kernel.org/r/20131001203655.GA10719@redhat.comSigned-off-by:
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Masoud Sharbiani authored
commit b5eafc6f upstream. Two entries for the same system type were added, with two different vendor names: 'Dell' and 'Dell, Inc.'. Since a prefix match is being used by the DMI parsing code, we can eliminate the latter as redundant. Reported-by:
"H. Peter Anvin" <hpa@zytor.com> Signed-off-by:
Masoud Sharbiani <msharbiani@twitter.com> Cc: holt@sgi.com Link: http://lkml.kernel.org/r/1380216643-4683-1-git-send-email-masoud.sharbiani@gmail.comSigned-off-by:
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Ameya Palande authored
commit c8648508 upstream. On success, callback function returns 0. So invert the if condition check so that we can break out of loop. Signed-off-by:
Ameya Palande <2ameya@gmail.com> Signed-off-by:
Lee Jones <lee.jones@linaro.org> Signed-off-by:
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Markos Chandras authored
commit 87f966d9 upstream. On a MIPS Malta board, tons of fifo underflow errors have been observed when using u-boot as bootloader instead of YAMON. The reason for that is that YAMON used to set the pcnet device to SRAM mode but u-boot does not. As a result, the default Tx threshold (64 bytes) is now too small to keep the fifo relatively used and it can result to Tx fifo underflow errors. As a result of which, it's best to setup the SRAM on supported controllers so we can always use the NOUFLO bit. Cc: <netdev@vger.kernel.org> Cc: <linux-kernel@vger.kernel.org> Cc: Don Fry <pcnet32@frontier.com> Signed-off-by:
Markos Chandras <markos.chandras@imgtec.com> Signed-off-by:
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Tyrel Datwyler authored
commit f6ff0414 upstream. We currently use the device tree update code in the kernel after resuming from a suspend operation to re-sync the kernels view of the device tree with that of the hypervisor. The code as it stands is not endian safe as it relies on parsing buffers returned by RTAS calls that thusly contains data in big endian format. This patch annotates variables and structure members with __be types as well as performing necessary byte swaps to cpu endian for data that needs to be parsed. Signed-off-by:
Tyrel Datwyler <tyreld@linux.vnet.ibm.com> Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com> Cc: Cyril Bur <cyrilbur@gmail.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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Catalin Marinas authored
commit e53f21bc upstream. The idle_task_exit() function may call switch_mm() with next == &init_mm. On arm64, init_mm.pgd cannot be used for user mappings, so this patch simply sets the reserved TTBR0. Reported-by:
Jon Medhurst (Tixy) <tixy@linaro.org> Tested-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
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- 13 Apr, 2015 1 commit
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Jiri Slaby authored
Stable commit "core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errors", upstream commit 36d5fe6a, was not correctly backported and missed to change a const 'from' parameter to non-const. This results in a new batch of warnings: net/netfilter/nfnetlink_queue_core.c: In function ‘nfqnl_zcopy’: net/netfilter/nfnetlink_queue_core.c:272:2: warning: passing argument 1 of ‘skb_orphan_frags’ discards ‘const’ qualifier from pointer target type [enabled by default] if (unlikely(skb_orphan_frags(from, GFP_ATOMIC))) { ^ In file included from net/netfilter/nfnetlink_queue_core.c:18:0: include/linux/skbuff.h:1822:19: note: expected ‘struct sk_buff *’ but argument is of type ‘const struct sk_buff *’ static inline int skb_orphan_frags(struct sk_buff *skb, gfp_t gfp_mask) ^ net/netfilter/nfnetlink_queue_core.c:273:3: warning: passing argument 1 of ‘skb_tx_error’ discards ‘const’ qualifier from pointer target type [enabled by default] skb_tx_error(from); ^ In file included from net/netfilter/nfnetlink_queue_core.c:18:0: include/linux/skbuff.h:630:13: note: expected ‘struct sk_buff *’ but argument is of type ‘const struct sk_buff *’ extern void skb_tx_error(struct sk_buff *skb); Remove const from the 'from' parameter, the same as in the upstream commit. As far as I can see, this leaked into 3.10, 3.12, and 3.13 already. Cc: Zoltan Kiss <zoltan.kiss@citrix.com> Cc: David S. Miller <davem@davemloft.net> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: stable@vger.kernel.org # v3.10, v3.12, v3.13 Signed-off-by:
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- 09 Apr, 2015 17 commits
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Jiri Slaby authored
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Sergei Antonov authored
commit 98cf21c6 upstream. Fix B-tree corruption when a new record is inserted at position 0 in the node in hfs_brec_insert(). In this case a hfs_brec_update_parent() is called to update the parent index node (if exists) and it is passed hfs_find_data with a search_key containing a newly inserted key instead of the key to be updated. This results in an inconsistent index node. The bug reproduces on my machine after an extents overflow record for the catalog file (CNID=4) is inserted into the extents overflow B-tree. Because of a low (reserved) value of CNID=4, it has to become the first record in the first leaf node. The resulting first leaf node is correct: ---------------------------------------------------- | key0.CNID=4 | key1.CNID=123 | key2.CNID=456, ... | ---------------------------------------------------- But the parent index key0 still contains the previous key CNID=123: ----------------------- | key0.CNID=123 | ... | ----------------------- A change in hfs_brec_insert() makes hfs_brec_update_parent() work correctly by preventing it from getting fd->record=-1 value from __hfs_brec_find(). Along the way, I removed duplicate code with unification of the if condition. The resulting code is equivalent to the original code because node is never 0. Also hfs_brec_update_parent() will now return an error after getting a negative fd->record value. However, the return value of hfs_brec_update_parent() is not checked anywhere in the file and I'm leaving it unchanged by this patch. brec.c lacks error checking after some other calls too, but this issue is of less importance than the one being fixed by this patch. Signed-off-by:
Sergei Antonov <saproj@gmail.com> Cc: Joe Perches <joe@perches.com> Reviewed-by:
Vyacheslav Dubeyko <slava@dubeyko.com> Acked-by:
Hin-Tak Leung <htl10@users.sourceforge.net> Cc: Anton Altaparmakov <aia21@cam.ac.uk> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by:
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Darrick J. Wong authored
commit e5db2980 upstream. Since it's possible for the discard and write same queue limits to change while the upper level command is being sliced and diced, fix up both of them (a) to reject IO if the special command is unsupported at the start of the function and (b) read the limits once and let the commands error out on their own if the status happens to change. Signed-off-by:
Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Mikulas Patocka authored
commit ab7c7bb6 upstream. __dm_destroy() must take the suspend_lock so that its presuspend and postsuspend calls do not race with an internal suspend. Signed-off-by:
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Andy Shevchenko authored
commit a104a45b upstream. The commit 9cade1a4 (dma: dw: split driver to library part and platform code) introduced a separate platform driver but missed to add a MODULE_ALIAS("platform:dw_dmac"); to that module. The patch adds this to get driver loaded automatically if platform device is registered. Reported-by:
"Blin, Jerome" <jerome.blin@intel.com> Fixes: 9cade1a4 (dma: dw: split driver to library part and platform code) Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
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Malcolm Priestley authored
commit 40c8790b upstream. When the driver sets this rate a power of zero value is set causing data flow stoppage until another rate is tried. Signed-off-by:
Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by:
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Peter Zijlstra authored
commit d525211f upstream. Vince reported a watchdog lockup like: [<ffffffff8115e114>] perf_tp_event+0xc4/0x210 [<ffffffff810b4f8a>] perf_trace_lock+0x12a/0x160 [<ffffffff810b7f10>] lock_release+0x130/0x260 [<ffffffff816c7474>] _raw_spin_unlock_irqrestore+0x24/0x40 [<ffffffff8107bb4d>] do_send_sig_info+0x5d/0x80 [<ffffffff811f69df>] send_sigio_to_task+0x12f/0x1a0 [<ffffffff811f71ce>] send_sigio+0xae/0x100 [<ffffffff811f72b7>] kill_fasync+0x97/0xf0 [<ffffffff8115d0b4>] perf_event_wakeup+0xd4/0xf0 [<ffffffff8115d103>] perf_pending_event+0x33/0x60 [<ffffffff8114e3fc>] irq_work_run_list+0x4c/0x80 [<ffffffff8114e448>] irq_work_run+0x18/0x40 [<ffffffff810196af>] smp_trace_irq_work_interrupt+0x3f/0xc0 [<ffffffff816c99bd>] trace_irq_work_interrupt+0x6d/0x80 Which is caused by an irq_work generating new irq_work and therefore not allowing forward progress. This happens because processing the perf irq_work triggers another perf event (tracepoint stuff) which in turn generates an irq_work ad infinitum. Avoid this by raising the recursion counter in the irq_work -- which effectively disables all software events (including tracepoints) from actually triggering again. Reported-by:
Vince Weaver <vincent.weaver@maine.edu> Tested-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20150219170311.GH21418@twins.programming.kicks-ass.netSigned-off-by:
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Bob Copeland authored
commit d0c22119 upstream. The mesh forwarding path was not checking that data frames were protected when running an encrypted network; add the necessary check. Reported-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
Bob Copeland <me@bobcopeland.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Michal Kazior authored
commit aa75ebc2 upstream. Some APs experience problems when working with U-APSD. Decreasing the probability of that happening by using legacy mode for all ACs but VO isn't enough. Cisco 4410N originally forced us to enable VO by default only because it treated non-VO ACs as legacy. However some APs (notably Netgear R7000) silently reclassify packets to different ACs. Since u-APSD ACs require trigger frames for frame retrieval clients would never see some frames (e.g. ARP responses) or would fetch them accidentally after a long time. It makes little sense to enable u-APSD queues by default because it needs userspace applications to be aware of it to actually take advantage of the possible additional powersavings. Implicitly depending on driver autotrigger frame support doesn't make much sense. Signed-off-by:
Michal Kazior <michal.kazior@tieto.com> Signed-off-by:
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Johannes Berg authored
commit 496fcc29 upstream. As HT/VHT depend heavily on QoS/WMM, it's not a good idea to let userspace add clients that have HT/VHT but not QoS/WMM. Since it does so in certain cases we've observed (client is using HT IEs but not QoS/WMM) just ignore the HT/VHT info at this point and don't pass it down to the drivers which might unconditionally use it. Signed-off-by:
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Bart Van Assche authored
commit 75c3d0bf upstream. This patch fixes the incorrect use of __transport_register_session() in tcm_qla2xxx_check_initiator_node_acl() code, that does not perform explicit se_tpg->session_lock when accessing se_tpg->tpg_sess_list to add new se_sess nodes. Given that tcm_qla2xxx_check_initiator_node_acl() is not called with qla_hw->hardware_lock held for all accesses of ->tpg_sess_list, the code should be using transport_register_session() instead. Signed-off-by:
Bart Van Assche <bart.vanassche@sandisk.com> Cc: Giridhar Malavali <giridhar.malavali@qlogic.com> Cc: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by:
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Dan Carpenter authored
commit d556546e upstream. This patch adds a missing set of conditional check braces in ft_invl_hw_context() originally introduced by commit dcd998cc when handling DDP failures in ft_recv_write_data() code. commit dcd998cc Author: Kiran Patil <kiran.patil@intel.com> Date: Wed Aug 3 09:20:01 2011 +0000 tcm_fc: Handle DDP/SW fc_frame_payload_get failures in ft_recv_write_data Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: Kiran Patil <kiran.patil@intel.com> Signed-off-by:
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Lars-Peter Clausen authored
commit 328f494d upstream. When inserting a new register into a block at the lower end the present bitmap is currently shifted into the wrong direction. The effect of this is that the bitmap becomes corrupted and registers which are present might be reported as not present and vice versa. Fix this by shifting left rather than right. Fixes: 472fdec7("regmap: rbtree: Reduce number of nodes, take 2") Reported-by:
Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Takashi Iwai authored
commit 07892b10 upstream. The correct values referred by a boolean control are value.integer.value[], not value.enumerated.item[]. The former is long while the latter is int, so it's even incompatible on 64bit architectures. Signed-off-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
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Takashi Iwai authored
commit 2bf4c1d4 upstream. The correct values referred by a boolean control are value.integer.value[], not value.enumerated.item[]. The former is long while the latter is int, so it's even incompatible on 64bit architectures. Signed-off-by:
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Takashi Iwai authored
commit 08641d9b upstream. The correct values referred by a boolean control are value.integer.value[], not value.enumerated.item[]. The former is long while the latter is int, so it's even incompatible on 64bit architectures. Signed-off-by:
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Takashi Iwai authored
commit eaddf6fd upstream. The correct values referred by a boolean control are value.integer.value[], not value.enumerated.item[]. The former is long while the latter is int, so it's even incompatible on 64bit architectures. Signed-off-by:
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