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* CIFS: Move set_file_info to ops structPavel Shilovsky2012-09-243-73/+88
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for set_file_sizePavel Shilovsky2012-09-246-3/+60
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move set_file_size to ops structPavel Shilovsky2012-09-245-75/+89
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for hardlink operationPavel Shilovsky2012-09-246-6/+76
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move hardlink to ops structSteve French2012-09-245-44/+63
| | | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for rename operationPavel Shilovsky2012-09-245-0/+167
| | | | | Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move rename to ops structPavel Shilovsky2012-09-245-57/+66
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Enable signing in SMB2Pavel Shilovsky2012-09-249-28/+253
| | | | | | | | | | | | | | Use hmac-sha256 and rather than hmac-md5 that is used for CIFS/SMB. Signature field in SMB2 header is 16 bytes instead of 8 bytes. Automatically enable signing by client when requested by the server when signing ability is available to the client. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add writepage support for SMB2Pavel Shilovsky2012-09-243-0/+75
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move writepage to ops structPavel Shilovsky2012-09-245-22/+38
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add readpage support for SMB2Pavel Shilovsky2012-09-243-0/+65
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move readpage code to ops structPavel Shilovsky2012-09-243-11/+32
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for cifs_iovec_writePavel Shilovsky2012-09-248-44/+206
| | | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* CIFS: Move async write to ops structPavel Shilovsky2012-09-244-3/+18
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for cifs_iovec_readPavel Shilovsky2012-09-2410-20/+225
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move async read to ops structPavel Shilovsky2012-09-244-2/+13
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 r/wsize negotiatingPavel Shilovsky2012-09-241-0/+45
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move r/wsize negotiating to ops structPavel Shilovsky2012-09-243-142/+149
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for flushPavel Shilovsky2012-09-244-0/+63
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Make flush code use ops structPavel Shilovsky2012-09-243-4/+26
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move reopen code to ops structPavel Shilovsky2012-09-241-57/+64
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move create code use ops structPavel Shilovsky2012-09-243-49/+58
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for query_file_infoPavel Shilovsky2012-09-241-0/+21
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move guery file info code to ops structPavel Shilovsky2012-09-244-5/+20
| | | | | | | and make cifs_get_file_info(_unix) calls static. Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add open/close file support for SMB2Pavel Shilovsky2012-09-248-17/+172
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move close code to ops structPavel Shilovsky2012-09-243-3/+17
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move open code to ops structPavel Shilovsky2012-09-245-44/+79
| | | | | | Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Replace netfid with cifs_fid struct in cifsFileInfoPavel Shilovsky2012-09-249-78/+87
| | | | | | | | | | | | This is help us to extend the code for future protocols that can use another fid mechanism (as SMB2 that has it divided into two parts: persistent and violatile). Also rename variables and refactor the code around the changes. Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add SMB2 support for unlinkPavel Shilovsky2012-09-243-0/+12
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Move unlink code to ops structPavel Shilovsky2012-09-245-22/+44
| | | | | | Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds2012-09-241-11/+13
|\ | | | | | | | | | | | | | | | | | | Pull tile gxio ABI fix from Chris Metcalf: "This fixes a last-minute change in the Tilera hypervisor ABI for TRIO (PCI root complex) support. We've locked in this ABI going forward and will make sure no further ABI changes like this occur." * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: tile: gxio iorpc numbering change for TRIO interface
| * tile: gxio iorpc numbering change for TRIO interfaceChris Metcalf2012-09-241-11/+13
| | | | | | | | | | | | | | | | | | An ABI numbering change was made in the hypervisor for Tilera's 4.1 MDE release (just shipped). It's incompatible with the previous 4.0 release ABI numbering, so we track the new numbering going forward. We plan to avoid modifying ABI numbering for these interfaces again. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
* | Merge tag 'vfio-for-linus' of git://github.com/awilliam/linux-vfioLinus Torvalds2012-09-242-21/+57
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | Pull vfio fixes from Alex Williamson: "VFIO doc update and virqfd race fix" * tag 'vfio-for-linus' of git://github.com/awilliam/linux-vfio: vfio: Fix virqfd release race vfio: Trivial Documentation correction
| * | vfio: Fix virqfd release raceAlex Williamson2012-09-211-20/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | vfoi-pci supports a mechanism like KVM's irqfd for unmasking an interrupt through an eventfd. There are two ways to shutdown this interface: 1) close the eventfd, 2) ioctl (such as disabling the interrupt). Both of these do the release through a workqueue, which can result in a segfault if two jobs get queued for the same virqfd. Fix this by protecting the pointer to these virqfds by a spinlock. The vfio pci device will therefore no longer have a reference to it once the release job is queued under lock. On the ioctl side, we still flush the workqueue to ensure that any outstanding releases are completed. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
| * | vfio: Trivial Documentation correctionAlex Williamson2012-09-211-1/+1
| | | | | | | | | | | | Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
* | | Merge tag 'stable/for-linus-3.6-rc7-tag' of ↵Linus Torvalds2012-09-241-0/+4
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull a Xen fix from Konrad Rzeszutek Wilk: "It is a bug-fix when we run the initial PV guest on a AMD K8 machine and have CONFIG_AMD_NUMA enabled and detect the NUMA topology from the Northbridge. We end up in the situation where the initial domain gets too much information and gets confused and crashes - the fix is to restrict the domain to get the information - and we do it by just disabling NUMA on the PV guest (the hypervisor is still able to do its proper NUMA allocations of guests). It is OK to disable the PV guest from accessing NUMA data as right now we do not inject any NUMA node information to the PV guests. When we do get to that point, then this patch will have to be reverted." * Disable PV NUMA support as we do not do anything with it (yet) and it can cause bootup crashes on certain AMD machines. * tag 'stable/for-linus-3.6-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/boot: Disable NUMA for PV guests.
| * | | xen/boot: Disable NUMA for PV guests.Konrad Rzeszutek Wilk2012-09-241-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hypervisor is in charge of allocating the proper "NUMA" memory and dealing with the CPU scheduler to keep them bound to the proper NUMA node. The PV guests (and PVHVM) have no inkling of where they run and do not need to know that right now. In the future we will need to inject NUMA configuration data (if a guest spans two or more NUMA nodes) so that the kernel can make the right choices. But those patches are not yet present. In the meantime, disable the NUMA capability in the PV guest, which also fixes a bootup issue. Andre says: "we see Dom0 crashes due to the kernel detecting the NUMA topology not by ACPI, but directly from the northbridge (CONFIG_AMD_NUMA). This will detect the actual NUMA config of the physical machine, but will crash about the mismatch with Dom0's virtual memory. Variation of the theme: Dom0 sees what it's not supposed to see. This happens with the said config option enabled and on a machine where this scanning is still enabled (K8 and Fam10h, not Bulldozer class) We have this dump then: NUMA: Warning: node ids are out of bound, from=-1 to=-1 distance=10 Scanning NUMA topology in Northbridge 24 Number of physical nodes 4 Node 0 MemBase 0000000000000000 Limit 0000000040000000 Node 1 MemBase 0000000040000000 Limit 0000000138000000 Node 2 MemBase 0000000138000000 Limit 00000001f8000000 Node 3 MemBase 00000001f8000000 Limit 0000000238000000 Initmem setup node 0 0000000000000000-0000000040000000 NODE_DATA [000000003ffd9000 - 000000003fffffff] Initmem setup node 1 0000000040000000-0000000138000000 NODE_DATA [0000000137fd9000 - 0000000137ffffff] Initmem setup node 2 0000000138000000-00000001f8000000 NODE_DATA [00000001f095e000 - 00000001f0984fff] Initmem setup node 3 00000001f8000000-0000000238000000 Cannot find 159744 bytes in node 3 BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff81d220e6>] __alloc_bootmem_node+0x43/0x96 Pid: 0, comm: swapper Not tainted 3.3.6 #1 AMD Dinar/Dinar RIP: e030:[<ffffffff81d220e6>] [<ffffffff81d220e6>] __alloc_bootmem_node+0x43/0x96 .. snip.. [<ffffffff81d23024>] sparse_early_usemaps_alloc_node+0x64/0x178 [<ffffffff81d23348>] sparse_init+0xe4/0x25a [<ffffffff81d16840>] paging_init+0x13/0x22 [<ffffffff81d07fbb>] setup_arch+0x9c6/0xa9b [<ffffffff81683954>] ? printk+0x3c/0x3e [<ffffffff81d01a38>] start_kernel+0xe5/0x468 [<ffffffff81d012cf>] x86_64_start_reservations+0xba/0xc1 [<ffffffff81007153>] ? xen_setup_runstate_info+0x2c/0x36 [<ffffffff81d050ee>] xen_start_kernel+0x565/0x56c " so we just disable NUMA scanning by setting numa_off=1. CC: stable@vger.kernel.org Reported-and-Tested-by: Andre Przywara <andre.przywara@amd.com> Acked-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* | | | Merge branch 'for-linus' of ↵Linus Torvalds2012-09-242-8/+4
|\ \ \ \ | |_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull two ceph fixes from Sage Weil: "The first fixes a leak in the rbd setup error path, and the second fixes a more serious problem with mismatched kmap/kunmap that surfaced after the recent refactoring work." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: libceph: only kunmap kmapped pages rbd: drop dev reference on error in rbd_open()
| * | | libceph: only kunmap kmapped pagesAlex Elder2012-09-211-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In write_partial_msg_pages(), pages need to be kmapped in order to perform a CRC-32c calculation on them. As an artifact of the way this code used to be structured, the kunmap() call was separated from the kmap() call and both were done conditionally. But the conditions under which the kmap() and kunmap() calls were made differed, so there was a chance a kunmap() call would be done on a page that had not been mapped. The symptom of this was tripping a BUG() in kunmap_high() when pkmap_count[nr] became 0. Reported-by: Bryan K. Wright <bryan@virginia.edu> Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Sage Weil <sage@inktank.com>
| * | | rbd: drop dev reference on error in rbd_open()Alex Elder2012-09-211-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a read-only rbd device is opened for writing in rbd_open(), it returns without dropping the just-acquired device reference. Fix this by moving the read-only check before getting the reference. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Yehuda Sadeh <yehuda@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
* | | | Linux 3.6-rc7v3.6-rc7Linus Torvalds2012-09-231-2/+2
| | | |
* | | | Merge branch 'rc-fixes' of ↵Linus Torvalds2012-09-232-3/+3
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild fixes from Michal Marek: "There are two more kbuild fixes for 3.6. One fixes a race between x86's archscripts target and the rule (re)building scripts/basic/fixdep. The second is a fix for the previous attempt at fixing make firmware_install with make 3.82. This new solution should work with any version of GNU make" * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: x86/kbuild: archscripts depends on scripts_basic firmware: fix directory creation rule matching with make 3.80
| * | | | x86/kbuild: archscripts depends on scripts_basicJeff Mahoney2012-09-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While building the SUSE kernel packages, which build the scripts, make clean, and then build everything, we have been running into spurious build failures. We tracked them down to a simple dependency issue: $ make mrproper CLEAN arch/x86/tools CLEAN scripts/basic $ cp patches/config/x86_64/desktop .config $ make archscripts HOSTCC arch/x86/tools/relocs /bin/sh: scripts/basic/fixdep: No such file or directory make[3]: *** [arch/x86/tools/relocs] Error 1 make[2]: *** [archscripts] Error 2 make[1]: *** [sub-make] Error 2 make: *** [all] Error 2 This was introduced by commit 6520fe55 (x86, realmode: 16-bit real-mode code support for relocs), which added the archscripts dependency to archprepare. This patch adds the scripts_basic dependency to the x86 archscripts. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | firmware: fix directory creation rule matching with make 3.80Mark Asselstine2012-09-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since make 3.80 doesn't support secondary expansion it uses a fallback rule to create firmware directories which is matched after primary expansion of the $(installed-fw) rule's prerequisite. Commit 6c7080a61fc7 [firmware: fix directory creation rule matching with make 3.82] changed the expression generated after primary expansion such that the fallback was not matched. Updating the fallback rule to match the new look primary expansion is not an option for various reasons. The trailing slash added here to $(INSTALL_FW_PATH)/. while defining installed-fw-dirs fixes builds with make 3.82 since this will provide a matching rule for $(INSTALL_FW_PATH)/$$(dir %) when % is in the base firmware directory (ie. $(dir %) gives './'). Versions of make prior to 3.82 will strip this trailing slash along with the one generated by $(dir %) when % is in the base firmware directory and as such continue to function as before. Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com> Tested-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | | Merge branch 'hwmon-for-linus' of ↵Linus Torvalds2012-09-233-2/+23
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging Pull hwmon subsystem fixes from Jean Delvare. * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (fam15h_power) Tweak runavg_range on resume hwmon: (coretemp) Use get_online_cpus to avoid races involving CPU hotplug hwmon: (via-cputemp) Use get_online_cpus to avoid races involving CPU hotplug
| * | | | | hwmon: (fam15h_power) Tweak runavg_range on resumeAndreas Herrmann2012-09-231-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The quirk introduced with commit 00250ec90963b7ef6678438888f3244985ecde14 (hwmon: fam15h_power: fix bogus values with current BIOSes) is not only required during driver load but also when system resumes from suspend. The BIOS might set the previously recommended (but unsuitable) initilization value for the running average range register during resume. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Tested-by: Andreas Hartmann <andihartmann@01019freenet.de> Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: stable@vger.kernel.org # 3.0+
| * | | | | hwmon: (coretemp) Use get_online_cpus to avoid races involving CPU hotplugSilas Boyd-Wickizer2012-09-231-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | coretemp_init loops with for_each_online_cpu, adding platform_devices and sysfs interfaces, then calls register_hotcpu_notifier. There is a race if a CPU is offlined or onlined after the loop, but before register_hotcpu_notifier. The race might result in the absence of a platform_device+sysfs interface for an online CPU, or the presence of a platform_device+sysfs interface for an offline CPU. A similar race occurs during coretemp_exit, after the module calls unregister_hotcpu_notifier, but before it unregisters all devices, a CPU might offline and a device for an offline CPU will exist for a short while. This fix surrounds for_each_online_cpu and register_hotcpu_notifier with get_online_cpus+put_online_cpus; and surrounds unregister_hotcpu_notifier and device unregistering with get_online_cpus+put_online_cpus. Build tested. Signed-off-by: Silas Boyd-Wickizer <sbw@mit.edu> Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | hwmon: (via-cputemp) Use get_online_cpus to avoid races involving CPU hotplugSilas Boyd-Wickizer2012-09-231-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | via_cputemp_init loops with for_each_online_cpu, adding platform_devices, then calls register_hotcpu_notifier. If a CPU is offlined between the loop and register_hotcpu_notifier, then later onlined, via_cputemp_device_add will attempt to add platform devices with the same ID. A similar race occurs during via_cputemp_exit, after the module calls unregister_hotcpu_notifier, a CPU might offline and a device will exist for a CPU that is offline. This fix surrounds for_each_online_cpu and register_hotcpu_notifier with get_online_cpus+put_online_cpus; and surrounds unregister_hotcpu_notifier and device unregistering with get_online_cpus+put_online_cpus. Build tested. Signed-off-by: Silas Boyd-Wickizer <sbw@mit.edu> Acked-by: Harald Welte <laforge@gnumonks.org> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* | | | | | Merge tag 'scsi-fixes' of ↵Linus Torvalds2012-09-234-2/+13
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is a set of four essential fixes: two oops related (bnx2i, virtio-scsi), one data corruption related (hpsa) and one failure to boot due to interrupt routing issues (mpt2ss). Signed-off-by: James Bottomley <JBottomley@Parallels.com>" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] hpsa: fix handling of protocol error [SCSI] mpt2sas: Fix for issue - Unable to boot from the drive connected to HBA [SCSI] bnx2i: Fixed NULL ptr deference for 1G bnx2 Linux iSCSI offload [SCSI] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list
| * | | | | | [SCSI] hpsa: fix handling of protocol errorStephen M. Cameron2012-09-181-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a command status of CMD_PROTOCOL_ERR is received, this information should be conveyed to the SCSI mid layer, not dropped on the floor. CMD_PROTOCOL_ERR may be received from the Smart Array for any commands destined for an external RAID controller such as a P2000, or commands destined for tape drives or CD/DVD-ROM drives, if for instance a cable is disconnected. This mostly affects multipath configurations, as disconnecting a cable on a non-multipath configuration is not going to do anything good regardless of whether CMD_PROTOCOL_ERR is handled correctly or not. Not handling CMD_PROTOCOL_ERR correctly in a multipath configaration involving external RAID controllers may cause data corruption, so this is quite a serious bug. This bug should not normally cause a problem for direct attached disk storage. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Cc: stable@vger.kernel.org Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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