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2011-07-25hwmon: (lm78) Become the maintainerJean Delvare3-4/+10
Declare myself the maintainer of the lm78 driver. I still have a running system with one of these chips. Also count myself as a co-author of the driver. With 34 commits over 6 years, it seems fair. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25hwmon: (lm78) Make ISA interface depend on CONFIG_ISAJean Delvare1-19/+79
We should only include support for the ISA interface of the LM78/LM79 if CONFIG_ISA is set. Not only this makes the driver somewhat smaller on most architectures, but this also avoids poking at random I/O ports on these architectures. This is very similiar to what was done for the w83781d driver in October 2008. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Dean Nelson <dnelson@redhat.com>
2011-07-25hwmon: (lm78) Avoid forward declarationsJean Delvare1-107/+98
Move code around to avoid several forward declarations. Also group ISA-related functions together, to make future changes easier. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Dean Nelson <dnelson@redhat.com>
2011-07-25hwmon: (sht15) Correct a comment mistakeVivien Didelot1-1/+1
sht15_store_heater() is called on _write_ access to heater_enable. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25hwmon: (max1111) Avoid extra memory allocationsJean Delvare1-21/+6
We can allocate the tx and rx buffers as part of our data structure. Doing so is faster and spares memory. Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Stanislav Brabec <utx@penguin.cz>
2011-07-25hwmon: (it87) Add chassis intrusion detection supportJean Delvare2-1/+31
Add chassis intrusion detection support for all supported devices, using the standard interface. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25hwmon: (via-cputemp) Add VID reporting supportJean Delvare2-5/+40
At least VIA family 6 model D CPU report the VID settings in a MSR, so expose the value to user-space. Not sure about model A. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Jeff Rickman <jrickman@myamigos.us>
2011-07-25hwmon-vid: Add support for VIA family 6 model D CPUJean Delvare1-1/+41
The VIA family 6 model D CPU (C7-D, Eden 90 nm) can use two different VID tables, we have to check the value of a MSR to decide which one to use. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Jeff Rickman <jrickman@myamigos.us>
2011-07-25hwmon: New driver sch5636Hans de Goede5-0/+590
This patch adds a new driver for SMSC SCH5636 Super I/O chips. The chips include an embedded microcontroller for hardware monitoring solutions, allowing motherboard manufacturers to create their own custom hwmon solution based upon the SCH5636. Currently the sch5636 driver only supports the Fujitsu Theseus SCH5636 based hwmon solution. The sch5636 driver runs a sanity check on loading to ensure it is dealing with a Fujitsu Theseus and not with another custom SCH5636 based hwmon solution. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25hwmon: (sch5627) Factor out some code shared with sch5636 driverHans de Goede5-310/+390
This patch adds a new sch56xx-common.ko which contains code which will also be used in the new sch5636 driver. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25fs: take the ACL checks to common codeChristoph Hellwig52-294/+92
Replace the ->check_acl method with a ->get_acl method that simply reads an ACL from disk after having a cache miss. This means we can replace the ACL checking boilerplate code with a single implementation in namei.c. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25bury posix_acl_..._masq() variantsAl Viro2-11/+3
made static; no callers left outside of posix_acl.c. posix_acl_clone() also has lost all external callers and became static... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25kill boilerplates around posix_acl_create_masq()Al Viro16-204/+116
new helper: posix_acl_create(&acl, gfp, mode_p). Replaces acl with modified clone, on failure releases acl and replaces with NULL. Returns 0 or -ve on error. All callers of posix_acl_create_masq() switched. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25generic_acl: no need to clone acl just to push it to set_cached_acl()Al Viro1-8/+2
In-core acls are copy-on-write, so the reference taken by set_cached_acl() will do just fine. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25kill boilerplate around posix_acl_chmod_masq()Al Viro14-168/+139
new helper: posix_acl_chmod(&acl, gfp, mode). Replaces acl with modified clone or with NULL if that has failed; returns 0 or -ve on error. All callers of posix_acl_chmod_masq() switched to that - they'd been doing exactly the same thing. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25reiserfs: cache negative ACLs for v1 stat formatChristoph Hellwig2-9/+5
Always set up a negative ACL cache entry if the inode can't have ACLs. That behaves much better than doing this check inside ->check_acl. Also remove the left over MAY_NOT_BLOCK check. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25xfs: cache negative ACLs if there is no attribute forkChristoph Hellwig2-12/+5
Always set up a negative ACL cache entry if the inode doesn't have an attribute fork. That behaves much better than doing this check inside ->check_acl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-259p: do no return 0 from ->check_acl without actually checkingChristoph Hellwig1-1/+1
If we do not want to use ACLs we at least need to perform normal Unix permission checks. From the comment I'm not quite sure that's what is intended, but if 0p wants to do permission checks entirely on the server it needs to do so in ->permission, not in ->check_acl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25vfs: move ACL cache lookup into generic codeLinus Torvalds12-69/+65
This moves logic for checking the cached ACL values from low-level filesystems into generic code. The end result is a streamlined ACL check that doesn't need to load the inode->i_op->check_acl pointer at all for the common cached case. The filesystems also don't need to check for a non-blocking RCU walk case in their acl_check() functions, because that is all handled at a VFS layer. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25CIFS: Fix oops while mounting with prefixpathPavel Shilovsky1-1/+1
commit fec11dd9a0109fe52fd631e5c510778d6cbff6cc caused a regression when we have already mounted //server/share/a and want to mount //server/share/a/b. The problem is that lookup_one_len calls __lookup_hash with nd pointer as NULL. Then __lookup_hash calls do_revalidate in the case when dentry exists and we end up with NULL pointer deference in cifs_d_revalidate: if (nd->flags & LOOKUP_RCU) return -ECHILD; Fix this by checking nd for NULL. Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25xfs: Fix wrong return value of xfs_file_aio_writeMarkus Trippelsdorf1-1/+4
The fsync prototype change commit 02c24a82187d accidentally overwrote the ssize_t return value of xfs_file_aio_write with 0 for SYNC type writes. Fix this by checking if an error occured when calling xfs_file_fsync and only change the return value in this case. In addition xfs_file_fsync actually returns a normal negative error, so fix this, too. Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Tested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25fix devtmpfs raceAl Viro1-1/+2
After we's done complete(&req->done), there's nothing to prevent the scope containing *req from being gone and *req overwritten by any kind of junk. So we must read req->next before that... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-25iomap: make IOPORT/PCI mapping functions conditionalRandy Dunlap1-0/+8
When CONFIG_PCI is not enabled, CONFIG_EISA=y, and CONFIG_GENERIC_IOMAP=y, drivers/net/3c59x.c build fails due to a recent small change to <asm-generic/iomap.h> that surrounds pci_iomap() and pci_iounmap() with #ifdef CONFIG_PCI/#endif. Since that patch to iomap.h looks correct, add stubs for pci_iomap() and pci_iounmap() with CONFIG_PCI is not enabled to fix the build errors. drivers/net/3c59x.c:1026: error: implicit declaration of function 'pci_iomap' drivers/net/3c59x.c:1038: error: implicit declaration of function 'pci_iounmap' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Jonas Bonn <jonas@southpole.se> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25i2c: Allow i2c_add_numbered_adapter() to assign a bus idGrant Likely4-14/+10
Currently, if an i2c bus driver supports both static and dynamic bus ids, it needs to choose between calling i2c_add_numbered_adapter() and i2c_add_adapter(). This patch makes i2c_add_numbered_adapter() redirect to i2c_add_adapter() if the requested bus id is -1. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25i2c-ali1535: Fix style issuesLABBE Corentin1-31/+30
This is a fix-style patch for i2c-ali1535 (issues reported by checkpatch.pl.) Signed-off-by: LABBE Corentin <corentin.labbe@geomatys.fr> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2011-07-25genksyms: Use same type in loop comparisonJesper Juhl1-1/+1
The ARRAY_SIZE macro in scripts/genksyms/genksyms.c returns a value of type size_t. That value is being compared to a variable of type int in a loop in read_node(). Change the int variable to size_t type as well, so we don't do signed vs unsigned type comparisons with all the potential promotion/sign extension trouble that can cause (also silences compiler warnings at high levels of warnings). Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-07-24gma500: udlay(20000) is too largeStephen Rothwell1-1/+1
So use mdelay(20) instead. Fixes this build error: ERROR: "__bad_udelay" [drivers/staging/gma500/psb_gfx.ko] undefined! Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-24bnx2x: use pci_pcie_cap()Vladislav Zolotarov1-1/+1
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24bnx2x: fix bnx2x_stop_on_error flow in bnx2x_sp_rtnl_taskVladislav Zolotarov1-11/+25
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24bnx2x: enable internal target-read for 57712 and up onlyShmulik Ravid1-3/+6
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24bnx2x: count statistic ramrods on EQ to prevent MC assertVladislav Zolotarov1-31/+32
This patch includes: - Counting statistics ramrods as EQ ramrods the way they should be. This accounting is meant to prevent MC asserts in case of software bugs. - Fixes in debug facilities which were added while working on one of such bugs. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24bnx2x: fix loopback for non 10G linkYaniv Rosner1-6/+18
Also fixes minor formatting in that function. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24bnx2x: dcb - send all unmapped priorities to same COS as L2Dmitry Kravkov1-6/+33
As a result of DCBX negotiation some priorities maybe untouched and still unmapped to any COS; instead of sending them to COS0 we assign them to the same COS as L2 traffic - to avoid collisions with storage class of service. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24iwlwifi: Fix build with CONFIG_PM disabled.David S. Miller1-0/+6
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-24Documentation: Update augmented rbtree documentationSasha Levin1-9/+14
Current documentation referred to the old method of handling augmented trees. Update documentation to correspond with the changes done in commit b945d6b2554d ("rbtree: Undo augmented trees performance damage and regression"). Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: David Woodhouse <David.Woodhouse@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-24XZ: Fix missing <linux/kernel.h> includeLasse Collin1-1/+1
<linux/kernel.h> is needed for min_t. The old version happened to work on x86 because <asm/unaligned.h> indirectly includes <linux/kernel.h>, but it didn't work on ARM. <linux/kernel.h> includes <asm/byteorder.h> so it's not necessary to include it explicitly anymore. Signed-off-by: Lasse Collin <lasse.collin@tukaani.org> Cc: stable <stable@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-24caam: don't pass bogus S_IFCHR to debugfs_create_...()Al Viro1-13/+13
it will be replaced with S_IFREG anyway Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-24get rid of create_proc_entry() abuses - proc_mkdir() is there for purposeAl Viro7-13/+9
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-24asus-wmi: ->is_visible() can't return negativeAl Viro1-1/+1
It's mode_t; return 0 (no access) on error. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-24fix jffs2 ACLs on big-endian with 16bit mode_tAl Viro4-5/+5
casting int * to mode_t * is not a good thing - on a *lot* of big-endian architectures mode_t happens to be smaller than int and there it breaks quite spectaculary... Fucked-up-by: commit cfc8dc6f6f69ede939e09c2af06a01adee577285 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-249p: close ACL leaksAl Viro3-15/+22
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-24ocfs2_init_acl(): fix a leakAl Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-24VFS : mount lock scalability for internal mountsTim Chen7-4/+26
For a number of file systems that don't have a mount point (e.g. sockfs and pipefs), they are not marked as long term. Therefore in mntput_no_expire, all locks in vfs_mount lock are taken instead of just local cpu's lock to aggregate reference counts when we release reference to file objects. In fact, only local lock need to have been taken to update ref counts as these file systems are in no danger of going away until we are ready to unregister them. The attached patch marks file systems using kern_mount without mount point as long term. The contentions of vfs_mount lock is now eliminated. Before un-registering such file system, kern_unmount should be called to remove the long term flag and make the mount point ready to be freed. Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-24modpost: Fix modpost's license checking V3Alessio Igor Bogani1-1/+28
The commit f02e8a6 sorts symbols placing each of them in its own elf section. The sorting and merging into the canonical sections are done by the linker. Unfortunately modpost to generate Module.symvers file parses vmlinux (already linked) and all modules object files (which aren't linked yet). These aren't sanitized by the linker yet. That breaks modpost that can't detect license properly for modules. This patch makes modpost aware of the new exported symbols structure. Thanks to Arnaud Lacombe <lacombar@gmail.com> and Anders Kaseorg <andersk@ksplice.com> for providing useful suggestions about code. This work was supported by a hardware donation from the CE Linux Forum. Reported-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Alessio Igor Bogani <abogani@kernel.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-24module: add /sys/module/<name>/uevent filesKay Sievers3-0/+22
Userspace wants to manage module parameters with udev rules. This currently only works for loaded modules, but not for built-in ones. To allow access to the built-in modules we need to re-trigger all module load events that happened before any userspace was running. We already do the same thing for all devices, subsystems(buses) and drivers. This adds the currently missing /sys/module/<name>/uevent files to all module entries. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split & trivial fix)
2011-07-24module: change attr callbacks to take struct module_kobjectKay Sievers3-23/+24
This simplifies the next patch, where we have an attribute on a builtin module (ie. module == NULL). Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split into 2)
2011-07-24modules: make arch's use default loader hooksJonas Bonn26-777/+12
This patch removes all the module loader hook implementations in the architecture specific code where the functionality is the same as that now provided by the recently added default hooks. Signed-off-by: Jonas Bonn <jonas@southpole.se> Acked-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-24modules: add default loader hook implementationsJonas Bonn2-1/+55
The module loader code allows architectures to hook into the code by providing a small number of entry points that each arch must implement. This patch provides __weakly linked generic implementations of these entry points for architectures that don't need to do anything special. Signed-off-by: Jonas Bonn <jonas@southpole.se> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-24param: fix return value handling in param_set_*Satoru Moriya1-2/+2
In STANDARD_PARAM_DEF, param_set_* handles the case in which strtolfn returns -EINVAL but it may return -ERANGE. If it returns -ERANGE, param_set_* may set uninitialized value to the paramerter. We should handle both cases. The one of the cases in which strtolfn() returns -ERANGE is following: *Type of module parameter is long *Set the parameter more than LONG_MAX Signed-off-by: Satoru Moriya <satoru.moriya@hds.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-24KVM: IOMMU: Disable device assignment without interrupt remappingAlex Williamson1-0/+18
IOMMU interrupt remapping support provides a further layer of isolation for device assignment by preventing arbitrary interrupt block DMA writes by a malicious guest from reaching the host. By default, we should require that the platform provides interrupt remapping support, with an opt-in mechanism for existing behavior. Both AMD IOMMU and Intel VT-d2 hardware support interrupt remapping, however we currently only have software support on the Intel side. Users wishing to re-enable device assignment when interrupt remapping is not supported on the platform can use the "allow_unsafe_assigned_interrupts=1" module option. [avi: break long lines] Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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