- 05 Nov, 2007 7 commits
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Ingo Molnar authored
patch 9a24d04a upstream While we were reviewing pageattr_32/64.c for unification, Thomas Gleixner noticed the following serious SMP bug in global_flush_tlb(): down_read(&init_mm.mmap_sem); list_replace_init(&deferred_pages, &l); up_read(&init_mm.mmap_sem); this is SMP-unsafe because list_replace_init() done on two CPUs in parallel can corrupt the list. This bug has been introduced about a year ago in the 64-bit tree: commit ea7322de Author: Andi Kleen <ak@suse.de> Date: Thu Dec 7 02:14:05 2006 +0100 [PATCH] x86-64: Speed and clean up cache flushing in change_page_attr down_read(&init_mm.mmap_sem); - dpage = xchg(&deferred_pages, NULL); + list_replace_init(&deferred_pages, &l); up_read(&init_mm.mmap_sem); the xchg() based version was SMP-safe, but list_replace_init() is not. So this "cleanup" introduced a nasty bug. why this bug never become prominent is a mystery - it can probably be explained with the (still) relative obscurity of the x86_64 architecture. the safe fix for now is to write-lock init_mm.mmap_sem. Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Cc: Andi Kleen <ak@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Dave Young authored
patch faf8c714 in mainline. If memchr argument is longer than strlen(kp->name), there will be some weird result. It will casuse duplicate filenames in sysfs for the "nousb". kernel warning messages are as bellow: sysfs: duplicate filename 'usbcore' can not be created WARNING: at fs/sysfs/dir.c:416 sysfs_add_one() [<c01c4750>] sysfs_add_one+0xa0/0xe0 [<c01c4ab8>] create_dir+0x48/0xb0 [<c01c4b69>] sysfs_create_dir+0x29/0x50 [<c024e0fb>] create_dir+0x1b/0x50 [<c024e3b6>] kobject_add+0x46/0x150 [<c024e2da>] kobject_init+0x3a/0x80 [<c053b880>] kernel_param_sysfs_setup+0x50/0xb0 [<c053b9ce>] param_sysfs_builtin+0xee/0x130 [<c053ba33>] param_sysfs_init+0x23/0x60 [<c024d062>] __next_cpu+0x12/0x20 [<c052aa30>] kernel_init+0x0/0xb0 [<c052aa30>] kernel_init+0x0/0xb0 [<c052a856>] do_initcalls+0x46/0x1e0 [<c01bdb12>] create_proc_entry+0x52/0x90 [<c0158d4c>] register_irq_proc+0x9c/0xc0 [<c01bda94>] proc_mkdir_mode+0x34/0x50 [<c052aa30>] kernel_init+0x0/0xb0 [<c052aa92>] kernel_init+0x62/0xb0 [<c0104f83>] kernel_thread_helper+0x7/0x14 ======================= kobject_add failed for usbcore with -EEXIST, don't try to register things with the same name in the same directory. [<c024e466>] kobject_add+0xf6/0x150 [<c053b880>] kernel_param_sysfs_setup+0x50/0xb0 [<c053b9ce>] param_sysfs_builtin+0xee/0x130 [<c053ba33>] param_sysfs_init+0x23/0x60 [<c024d062>] __next_cpu+0x12/0x20 [<c052aa30>] kernel_init+0x0/0xb0 [<c052aa30>] kernel_init+0x0/0xb0 [<c052a856>] do_initcalls+0x46/0x1e0 [<c01bdb12>] create_proc_entry+0x52/0x90 [<c0158d4c>] register_irq_proc+0x9c/0xc0 [<c01bda94>] proc_mkdir_mode+0x34/0x50 [<c052aa30>] kernel_init+0x0/0xb0 [<c052aa92>] kernel_init+0x62/0xb0 [<c0104f83>] kernel_thread_helper+0x7/0x14 ======================= Module 'usbcore' failed to be added to sysfs, error number -17 The system will be unstable now. Signed-off-by:
Dave Young <hidave.darkstar@gmail.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by:
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Eric Sandeen authored
patch 44ec6f3f89889a469773b1fd894f8fcc07c29cf in mainline This attempts to address CVE-2006-6058 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6058 first reported at http://projects.info-pull.com/mokb/MOKB-17-11-2006.html Essentially a corrupted minix dir inode reporting a very large i_size will loop for a very long time in minix_readdir, minix_find_entry, etc, because on EIO they just move on to try the next page. This is under the BKL, printk-storming as well. This can lock up the machine for a very long time. Simply ratelimiting the printks gets things back under control. Make the message a bit more informative while we're here. Signed-off-by:
Eric Sandeen <sandeen@redhat.com> Cc: Bodo Eggert <7eggert@gmx.de> Signed-off-by:
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Roland Dreier authored
Upstream as cbfb50e6 Commit 9ead190b ("IB/uverbs: Don't serialize with ib_uverbs_idr_mutex") rewrote how userspace objects are looked up in the uverbs module's idrs, and introduced a severe bug in the process: there is no checking that an operation is being performed by the right process any more. Fix this by adding the missing check of uobj->context in __idr_get_uobj(). Apparently everyone is being very careful to only touch their own objects, because this bug was introduced in June 2006 in 2.6.18, and has gone undetected until now. Signed-off-by:
Roland Dreier <rolandd@cisco.com> Signed-off-by:
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Thomas Gleixner authored
patch cc75b92d in mainline. Level type interrupts do not need to be resent. It was also found that some chipsets get confused in case of the resend. Mark the ioapic level type interrupts as such to avoid the resend functionality in the generic irq code. Signed-off-by:
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Thomas Gleixner authored
patch 2464286a in mainline. Level type interrupts are resent by the interrupt hardware when they are still active at irq_enable(). Suppress the resend mechanism for interrupts marked as level. Signed-off-by:
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Thomas Gleixner authored
patch 49663421 in mainline. Commit 5a43a066: "genirq: Allow fasteoi handler to retrigger disabled interrupts" was erroneously applied to handle_level_irq(). This added the irq retrigger / resend functionality to the level irq handler. Revert the offending bits. Signed-off-by:
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- 02 Nov, 2007 28 commits
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Greg Kroah-Hartman authored
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Gregory Haskins authored
patch 3aa416b0 in mainline. lockdep: fix mismatched lockdep_depth/curr_chain_hash It is possible for the current->curr_chain_key to become inconsistent with the current index if the chain fails to validate. The end result is that future lock_acquire() operations may inadvertently fail to find a hit in the cache resulting in a new node being added to the graph for every acquire. [ peterz: this might explain some of the lockdep is so _slow_ complaints. ] [ mingo: this does not impact the correctness of validation, but may slow down future operations significantly, if the chain gets very long. ] Signed-off-by:
Gregory Haskins <ghaskins@novell.com> Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
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Kumar Gala authored
patch ba02946a in mainline Its legal for the stfiwx instruction to have RA = 0 as part of its effective address calculation. This is illegal for all other XE form instructions. Add code to compute the proper effective address for stfiwx if RA = 0 rather than treating it as illegal. Signed-off-by:
Kumar Gala <galak@kernel.crashing.org> Signed-off-by:
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Dave Airlie authored
This is upstream as 54583bf4 Oops... Signed-off-by:
Dave Airlie <airlied@linux.ie> Signed-off-by:
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Jean Delvare authored
Already in Linus' tree: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=d58df9cd788e6fb4962e1c8d5ba7b8b95d639a44 The bank switching code assumes that the bank selector is set to 0 when the driver is loaded. This might not be the case. This is exactly the same bug as was fixed in the w83627ehf driver two months ago: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0956895aa6f8dc6a33210967252fd7787652537d In practice, this bug was causing the sensor thermal types to be improperly reported for my W83627THF the first time I was loading the w83627hf driver. From the driver history, I'd say that it has been broken since September 2005 (when we stopped resetting the chip by default at driver load.) Signed-off-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by:
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Jean Delvare authored
Already in Linus' tree: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=c09c5184a26158da32801e89d5849d774605f0dd We need to read the fan clock dividers at initialization time, otherwise the code in store_fan_min() may use uninitialized values. That's pretty much the same bug and same fix as for the w83627ehf driver last month. Signed-off-by:
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Jean Delvare authored
Already in Linus' tree: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=889af3d5d9586db795a06c619e416b4baee11da8 A stupid bit shifting bug caused the VID value to be always exported even when the hardware is configured for something different. Signed-off-by:
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Jean Delvare authored
Already in Linus' tree: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b965d4b7f614522170af6a7e450be0333792ccd2 Missing parentheses in the definition of FAN_FROM_REG cause a division by zero for a specific register value. Signed-off-by:
Hans de Goede <j.w.r.degoede@hhs.nl> Signed-off-by:
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Ian Armstrong authored
Based on cb50f548 in mainline [PATCH] V4L: ivtv: fix udma yuv bug Using udma yuv causes the driver to become locked into that mode. This prevents use of the mpeg decoder & non-udma yuv output. This patch clears the operating mode when the device is closed. Signed-off-by:
Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by:
Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by:
Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by:
Michael Krufky <mkrufky@linuxtv.org> Signed-off-by:
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Peter Korsgaard authored
patch f662fe5a in mainline. dm9601: Fix receive MTU dm9601 didn't take the ethernet header into account when calculating RX MTU, causing packets bigger than 1486 to fail. Signed-off-by:
Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by:
Jeff Garzik <jeff@garzik.org> Signed-off-by:
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Jeff Garzik authored
This episode illustrates how an overused warning can train people to ignore that warning, which winds up hiding bugs. The warning drivers/net/natsemi.c: In function ‘natsemi_remove1’: drivers/net/natsemi.c:3222: warning: ignoring return value of ‘device_create_file’, declared with attribute warn_unused_result is oft-ignored, even though at close inspection one notices this occurs in the /remove/ function, not normally where creation occurs. A quick s/create/remove/ and we are fixed, with the warning gone. Signed-off-by:
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Stefan Richter authored
Fix panic in run_timer_softirq right after "modprobe -r firewire-ohci" if a FireWire disk was attached and firewire-sbp2 loaded. Same as commit 8a2d9ed3. Signed-off-by:
Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by:
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Andy Green authored
patch dfe6e81d in mainline. ieee80211_get_radiotap_len() tries to dereference radiotap length without taking care that it is completely unaligned and get_unaligned() is required. Signed-off-by:
Andy Green <andy@warmcat.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Al Viro authored
based on patch 8362cd41 in mainline. domain->header.len is le16 and has just been assigned cpu_to_le16(arithmetical expression). And all fields of adapter->logmsg are __le32; not a single 16-bit among them... That's incremental to the previous one Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Dan Williams <dcbw@redhat.com> Signed-off-by:
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Al Viro authored
patch 57077081 in mainline. wep->keytype[] is u8 Signed-off-by:
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John W. Linville authored
patch b3316157 in mainline. In STA mode, the AP will echo our traffic. This includes multicast traffic. Receiving these frames confuses some protocols and applications, notably IPv6 Duplicate Address Detection. Signed-off-by:
Johannes Berg <johannes@sipsolutions.net> Acked-by:
Michael Wu <flamingice@sourmilk.net> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Eric Dumazet authored
changeset 162f6690a65075b49f242d3c8cdb5caaa959a060 in mainline. TCP V4 sequence numbers are 32bits, and RFC 793 assumed a 250 KHz clock. In order to follow network speed increase, we can use a faster clock, but we should limit this clock so that the delay between two rollovers is greater than MSL (TCP Maximum Segment Lifetime : 2 minutes) Choosing a 64 nsec clock should be OK, since the rollovers occur every 274 seconds. Problem spotted by Denys Fedoryshchenko [ This bug was introduced by f8595815 ] Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Signed-off-by:
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David Miller authored
changeset f8ab18d2 in mainline. Based upon a report and initial patch by Peter Lieven. tcp4_md5sig_key and tcp6_md5sig_key need to start with the exact same members as tcp_md5sig_key. Because they are both cast to that type by tcp_v{4,6}_md5_do_lookup(). Unfortunately tcp{4,6}_md5sig_key use a u16 for the key length instead of a u8, which is what tcp_md5sig_key uses. This just so happens to work by accident on little-endian, but on big-endian it doesn't. Instead of casting, just place tcp_md5sig_key as the first member of the address-family specific structures, adjust the access sites, and kill off the ugly casts. Signed-off-by:
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Ilpo Järvinen authored
changeset 48611c47 in mainline. When only GSO skb was partially ACKed, no hints are reset, therefore fastpath_cnt_hint must be tweaked too or else it can corrupt fackets_out. The corruption to occur, one must have non-trivial ACK/SACK sequence, so this bug is not very often that harmful. There's a fackets_out state reset in TCP because fackets_out is known to be inaccurate and that fixes the issue eventually anyway. In case there was also at least one skb that got fully ACKed, the fastpath_skb_hint is set to NULL which causes a recount for fastpath_cnt_hint (the old value won't be accessed anymore), thus it can safely be decremented without additional checking. Reported by Cedric Le Goater <clg@fr.ibm.com> Signed-off-by:
Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by:
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David S. Miller authored
changeset 6536a6b331d3225921c398eb7c6e4ecedb9b05e0 from mainline Thanks to Tom Callaway for the excellent bug report and test case. sys_ipc() has several problems, most to due with semaphore call handling: 1) 'err' return should be a 'long' 2) "union semun" is passed in a register on 64-bit compared to 32-bit which provides it on the stack and therefore by reference 3) Second and third arguments to SEMCTL are swapped compared to 32-bit. Signed-off-by:
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David S. Miller authored
changeset e79ad711 from mainline. This fixes kernel bugzilla #5731 It should generate an empty packet for datagram protocols when the socket is connected, for one. The check is doubly-wrong because all that a write() can be is a sendmsg() call with a NULL msg_control and a single entry iovec. No special semantics should be assigned to it, therefore the zero length check should be removed entirely. This matches the behavior of BSD and several other systems. Alan Cox notes that SuSv3 says the behavior of a zero length write on non-files is "unspecified", but that's kind of useless since BSD has defined this behavior for a quarter century and BSD is essentially what application folks code to. Based upon a patch from Stephen Hemminger. Signed-off-by:
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Alexey Dobriyan authored
changeset 891e6a93 from mainline. Commit a3d38402 aka "[AX.25]: Fix unchecked rose_add_loopback_neigh uses" transformed rose_loopback_neigh var into statically allocated one. However, on unload it will be kfree's which can't work. Steps to reproduce: modprobe rose rmmod rose BUG: unable to handle kernel NULL pointer dereference at virtual address 00000008 printing eip: c014c664 *pde = 00000000 Oops: 0000 [#1] PREEMPT DEBUG_PAGEALLOC Modules linked in: rose ax25 fan ufs loop usbhid rtc snd_intel8x0 snd_ac97_codec ehci_hcd ac97_bus uhci_hcd thermal usbcore button processor evdev sr_mod cdrom CPU: 0 EIP: 0060:[<c014c664>] Not tainted VLI EFLAGS: 00210086 (2.6.23-rc9 #3) EIP is at kfree+0x48/0xa1 eax: 00000556 ebx: c1734aa0 ecx: f6a5e000 edx: f7082000 esi: 00000000 edi: f9a55d20 ebp: 00200287 esp: f6a5ef28 ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 Process rmmod (pid: 1823, ti=f6a5e000 task=f7082000 task.ti=f6a5e000) Stack: f9a55d20 f9a5200c 00000000 00000000 00000000 f6a5e000 f9a5200c f9a55a00 00000000 bf818cf0 f9a51f3f f9a55a00 00000000 c0132c60 65736f72 00000000 f69f9630 f69f9528 c014244a f6a4e900 00200246 f7082000 c01025e6 00000000 Call Trace: [<f9a5200c>] rose_rt_free+0x1d/0x49 [rose] [<f9a5200c>] rose_rt_free+0x1d/0x49 [rose] [<f9a51f3f>] rose_exit+0x4c/0xd5 [rose] [<c0132c60>] sys_delete_module+0x15e/0x186 [<c014244a>] remove_vma+0x40/0x45 [<c01025e6>] sysenter_past_esp+0x8f/0x99 [<c012bacf>] trace_hardirqs_on+0x118/0x13b [<c01025b6>] sysenter_past_esp+0x5f/0x99 ======================= Code: 05 03 1d 80 db 5b c0 8b 03 25 00 40 02 00 3d 00 40 02 00 75 03 8b 5b 0c 8b 73 10 8b 44 24 18 89 44 24 04 9c 5d fa e8 77 df fd ff <8b> 56 08 89 f8 e8 84 f4 fd ff e8 bd 32 06 00 3b 5c 86 60 75 0f EIP: [<c014c664>] kfree+0x48/0xa1 SS:ESP 0068:f6a5ef28 Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Brian Haley authored
changeset bf0b48df from mainline. When the ICMPv6 Target address is multicast, Linux processes the redirect instead of dropping it. The problem is in this code in ndisc_redirect_rcv(): if (ipv6_addr_equal(dest, target)) { on_link = 1; } else if (!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) { ND_PRINTK2(KERN_WARNING "ICMPv6 Redirect: target address is not link-local.\n"); return; } This second check will succeed if the Target address is, for example, FF02::1 because it has link-local scope. Instead, it should be checking if it's a unicast link-local address, as stated in RFC 2461/4861 Section 8.1: - The ICMP Target Address is either a link-local address (when redirected to a router) or the same as the ICMP Destination Address (when redirected to the on-link destination). I know this doesn't explicitly say unicast link-local address, but it's implied. This bug is preventing Linux kernels from achieving IPv6 Logo Phase II certification because of a recent error that was found in the TAHI test suite - Neighbor Disovery suite test 206 (v6LC.2.3.6_G) had the multicast address in the Destination field instead of Target field, so we were passing the test. This won't be the case anymore. The patch below fixes this problem, and also fixes ndisc_send_redirect() to not send an invalid redirect with a multicast address in the Target field. I re-ran the TAHI Neighbor Discovery section to make sure Linux passes all 245 tests now. Signed-off-by:
Brian Haley <brian.haley@hp.com> Acked-by:
David L Stevens <dlstevens@us.ibm.com> Signed-off-by:
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Mitsuru Chinen authored
changeset 0fcace22d38ce9216f5ba52f929a99d284aa7e49 from mainline To judge the timing for DAD, netif_carrier_ok() is used. However, there is a possibility that dev->qdisc stays noop_qdisc even if netif_carrier_ok() returns true. In that case, DAD NS is not sent out. We need to defer the IPv6 device initialization until a valid qdisc is specified. Signed-off-by:
Mitsuru Chinen <mitch@linux.vnet.ibm.com> Signed-off-by:
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by:
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John W. Linville authored
changeset 04045f98 from mainline Reported by Chris Evans <scarybeasts@gmail.com>: > The summary is that an evil 80211 frame can crash out a victim's > machine. It only applies to drivers using the 80211 wireless code, and > only then to certain drivers (and even then depends on a card's > firmware not dropping a dubious packet). I must confess I'm not > keeping track of Linux wireless support, and the different protocol > stacks etc. > > Details are as follows: > > ieee80211_rx() does not explicitly check that "skb->len >= hdrlen". > There are other skb->len checks, but not enough to prevent a subtle > off-by-two error if the frame has the IEEE80211_STYPE_QOS_DATA flag > set. > > This leads to integer underflow and crash here: > > if (frag != 0) > flen -= hdrlen; > > (flen is subsequently used as a memcpy length parameter). How about this? Signed-off-by:
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Stephen Hemminger authored
changeset bf1b803b from mainline. Signed-off-by:
Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by:
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David Miller authored
changeset ff4abd6c in mainline. The ESP scsi driver does not initialize the host controller instance early enough, so the messages in the log confuse users. Signed-off-by:
James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by:
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Thomas Gleixner authored
changeset b04e7bdb from mainline. device_suspend() calls ACPI suspend functions, which seems to have undesired side effects on lower idle C-states. It took me some time to realize that especially the VAIO BIOSes (both Andrews jinxed UP and my elfstruck SMP one) show this effect. I'm quite sure that other bug reports against suspend/resume about turning the system into a brick have the same root cause. After fishing in the dark for quite some time, I realized that removing the ACPI processor module before suspend (this removes the lower C-state functionality) made the problem disappear. Interestingly enough the propability of having a bricked box is influenced by various factors (interrupts, size of the ram image, ...). Even adding a bunch of printks in the wrong places made the problem go away. The previous periodic tick implementation simply pampered over the problem, which explains why the dyntick / clockevents changes made this more prominent. We avoid complex functionality during the boot process and we have to do the same during suspend/resume. It is a similar scenario and equaly fragile. Add suspend / resume functions to the ACPI processor code and disable the lower idle C-states across suspend/resume. Fall back to the default idle implementation (halt) instead. Signed-off-by:
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- 10 Oct, 2007 5 commits
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Greg Kroah-Hartman authored
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Trond Myklebust authored
changeset a6d85430 in upstream The recent fix for a circular lock dependency unfortunately introduced a potential memory leak in the event where the call to nlmsvc_lookup_host fails for some reason. Thanks to Roel Kluin for spotting this. Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by:
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Andi Kleen authored
commit d3f7eae1 upstream The Averatec 2370 and some other Turion laptop BIOS seems to program the ENABLE_C1E MSR inconsistently between cores. This confuses the lapic use heuristics because when C1E is enabled anywhere it seems to affect the complete chip. Use a global flag instead of a per cpu flag to handle this. If any CPU has C1E enabled disabled lapic use. Thanks to Cal Peake for debugging. Cc: tglx@linutronix.de Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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Stephen Smalley authored
commit 4ac212ad upstream. Clear parent death signal on SID transitions to prevent unauthorized signaling between SIDs. Signed-off-by:
Stephen Smalley <sds@tycho.nsa.gov> Acked-by:
Eric Paris <eparis@parisplace.org> Signed-off-by:
James Morris <jmorris@localhost.localdomain> Signed-off-by:
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Anton Blanchard authored
commit 74922be1 upstream. When using /proc/timer_stats on ppc64 I noticed the events/sec field wasnt accurate. Sometimes the integer part was incorrect due to rounding (we werent taking the fractional seconds into consideration). The fraction part is also wrong, we need to pad the printf statement and take the bottom three digits of 1000 times the value. Signed-off-by:
Anton Blanchard <anton@samba.org> Acked-by:
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