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2012-07-07Linux 3.5-rc6v3.5-rc6Linus Torvalds
2012-07-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security docs update from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: security: Minor improvements to no_new_privs documentation
2012-07-07vfs: make O_PATH file descriptors usable for 'fchdir()'Linus Torvalds
We already use them for openat() and friends, but fchdir() also wants to be able to use O_PATH file descriptors. This should make it comparable to the O_SEARCH of Solaris. In particular, O_PATH allows you to access (not-quite-open) a directory you don't have read persmission to, only execute permission. Noticed during development of multithread support for ksh93. Reported-by: ольга крыжановская <olga.kryzhanovska@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: stable@kernel.org # O_PATH introduced in 3.0+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-07Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "Last merge window, we had some updates from Al cleaning up the signal restart handling. These have caused some problems on ARM, and while Al has some fixes, we have some concerns with Al's patches but we've been unsuccesful with discussing this. We have got to the point where we need to do something, and we've decided that the best solution is to revert the appropriate commits until Al is able to reply to us. Also included here are four patches to fix warnings that I've noticed in my build system, and one fix for kprobes test code." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: fix warning caused by wrongly typed arm_dma_limit ARM: fix warnings about atomic64_read ARM: 7440/1: kprobes: only test 'sub pc, pc, #1b-2b+8-2' on ARMv6 ARM: 7441/1: perf: return -EOPNOTSUPP if requested mode exclusion is unavailable ARM: 7443/1: Revert "new way of handling ERESTART_RESTARTBLOCK" ARM: 7442/1: Revert "remove unused restart trampoline" ARM: fix set_domain() macro ARM: fix mach-versatile/pci.c warning
2012-07-08security: Minor improvements to no_new_privs documentationAndy Lutomirski
The documentation didn't actually mention how to enable no_new_privs. This also adds a note about possible interactions between no_new_privs and LSMs (i.e. why teaching systemd to set no_new_privs is not necessarily a good idea), and it references the new docs from include/linux/prctl.h. Suggested-by: Rob Landley <rob@landley.net> Signed-off-by: Andy Lutomirski <luto@amacapital.net> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: James Morris <james.l.morris@oracle.com>
2012-07-06Merge tag 'ecryptfs-3.5-rc6-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull eCryptfs fixes from Tyler Hicks: "Fixes an incorrect access mode check when preparing to open a file in the lower filesystem. This isn't an urgent fix, but it is simple and the check was obviously incorrect. Also fixes a couple important bugs in the eCryptfs miscdev interface. These changes are low risk due to the small number of users that use the miscdev interface. I was able to keep the changes minimal and I have some cleaner, more complete changes queued up for the next merge window that will build on these patches." * tag 'ecryptfs-3.5-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: Gracefully refuse miscdev file ops on inherited/passed files eCryptfs: Fix lockdep warning in miscdev operations eCryptfs: Properly check for O_RDONLY flag before doing privileged open
2012-07-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds
Pull target fixes from Nicholas Bellinger: "Two minor target fixes. There is really nothing exciting and/or controversial this time around. There's one fix from MDR for a RCU debug warning message within tcm_fc code (CC'ed to stable), and a small AC fix for qla_target.c based upon a recent Coverity static report. Also, there is one other outstanding virtio-scsi LUN scanning bugfix that has been uncovered with the in-flight tcm_vhost driver over the last days, and that needs to make it into 3.5 final too. This patch has been posted to linux-scsi again here: http://marc.info/?l=linux-scsi&m=134160609212542&w=2 and I've asked James to include it in his next PULL request." * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: qla2xxx: print the right array elements in qlt_async_event tcm_fc: Resolve suspicious RCU usage warnings
2012-07-06eCryptfs: Gracefully refuse miscdev file ops on inherited/passed filesTyler Hicks
File operations on /dev/ecryptfs would BUG() when the operations were performed by processes other than the process that originally opened the file. This could happen with open files inherited after fork() or file descriptors passed through IPC mechanisms. Rather than calling BUG(), an error code can be safely returned in most situations. In ecryptfs_miscdev_release(), eCryptfs still needs to handle the release even if the last file reference is being held by a process that didn't originally open the file. ecryptfs_find_daemon_by_euid() will not be successful, so a pointer to the daemon is stored in the file's private_data. The private_data pointer is initialized when the miscdev file is opened and only used when the file is released. https://launchpad.net/bugs/994247 Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Reported-by: Sasha Levin <levinsasha928@gmail.com> Tested-by: Sasha Levin <levinsasha928@gmail.com>
2012-07-06qla2xxx: print the right array elements in qlt_async_eventAlan Cox
Based upon Alan's patch from Coverity scan id 793583, these debug messages in qlt_async_event() should be starting from byte 0, which is always the Asynchronous Event Status Code from the parent switch statement. Also, rename reason_code -> login_code following the language used in 2500 FW spec for Port Database Changed (0x8014) -> Port Database Changed Event Mailbox Register for mailbox[2]. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-07-06tcm_fc: Resolve suspicious RCU usage warningsMark Rustad
Use rcu_dereference_protected to tell rcu that the ft_lport_lock is held during ft_lport_create. This resolved "suspicious RCU usage" warnings when debugging options are turned on. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-07-06Merge tag 'for-linus-20120706' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull two MTD fixes from David Woodhouse: - Fix a logic error in OLPC CAFÉ NAND ready() function. - Fix regression due to bitflip handling changes. * tag 'for-linus-20120706' of git://git.infradead.org/linux-mtd: mtd: cafe_nand: fix an & vs | mistake mtd: nand: initialize bitflip_threshold prior to BBT scanning
2012-07-06mm: Hold a file reference in madvise_removeAndy Lutomirski
Otherwise the code races with munmap (causing a use-after-free of the vma) or with close (causing a use-after-free of the struct file). The bug was introduced by commit 90ed52ebe481 ("[PATCH] holepunch: fix mmap_sem i_mutex deadlock") Cc: Hugh Dickins <hugh@veritas.com> Cc: Miklos Szeredi <mszeredi@suse.cz> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Nick Piggin <npiggin@suse.de> Cc: stable@vger.kernel.org Signed-off-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-06Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 Pull ocfs2 fixes from Joel Becker. * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: aio: make kiocb->private NUll in init_sync_kiocb() ocfs2: Fix bogus error message from ocfs2_global_read_info ocfs2: for SEEK_DATA/SEEK_HOLE, return internal error unchanged if ocfs2_get_clusters_nocache() or ocfs2_inode_lock() call failed. ocfs2: use spinlock irqsave for downconvert lock.patch ocfs2: Misplaced parens in unlikley ocfs2: clear unaligned io flag when dio fails
2012-07-06Merge git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French. * git://git.samba.org/sfrench/cifs-2.6: cifs: when server doesn't set CAP_LARGE_READ_X, cap default rsize at MaxBufferSize cifs: fix parsing of password mount option
2012-07-06Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input layer fixes from Dmitry Torokhov: "Two fixes for regressions in Wacom driver and fixes for drivers using threaded IRQ framework without specifying IRQF_ONESHOT." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: request threaded-only IRQs with IRQF_ONESHOT Input: wacom - don't retrieve touch_max when it is predefined Input: wacom - fix retrieving touch_max bug Input: fix input.h kernel-doc warning
2012-07-06mtd: cafe_nand: fix an & vs | mistakeDan Carpenter
The intent here was clearly to set result to true if the 0x40000000 flag was set. But instead there was a | vs & typo and we always set result to true. Artem: check the spec at wiki.laptop.org/images/5/5c/88ALP01_Datasheet_July_2007.pdf and this fix looks correct. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable@vger.kernel.org Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-07-05Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "Small fixes on multiple ARM platforms - A build regression from a previous fix on dove and mv78xx0 - Two fixes for recently (3.5-rc1) changed mmp/pxa code - multiple omap2+ bug fixes - two trivial fixes for i.MX - one v3.5 regression for mxs" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: apx4devkit: fix FEC enabling PHY clock ARM: OMAP2+: hwmod data: Fix wrong McBSP clock alias on OMAP4 ARM: OMAP4: hwmod data: temporarily comment out data for the usb_host_fs and aess IP blocks ARM: Orion: Fix WDT compile for Dove and MV78xx0 ARM: mmp: remove mach/gpio-pxa.h ARM: imx: assert SCC gate stays enabled ARM: OMAP4: TWL6030: ensure sys_nirq1 is mux'd and wakeup enabled ARM: OMAP2: Overo: init I2C before MMC to fix MMC suspend/resume failure ARM: imx27_visstrim_m10: Do not include <asm/system.h> ARM: pxa: hx4700: Fix basic suspend/resume
2012-07-05Merge git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fix from Marcelo Tosatti: "Memory leak and oops on the x86 mmu code, and sanitization of the KVM_IRQFD ioctl." * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: MMU: fix shrinking page from the empty mmu KVM: fix fault page leak KVM: Sanitize KVM_IRQFD flags KVM: Add missing KVM_IRQFD API documentation KVM: Pass kvm_irqfd to functions
2012-07-05Merge branch 'fixes-for-3.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds Pull leds fix from Bryan Wu: "Fix for heartbeat led trigger driver" * 'fixes-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: leds: heartbeat: fix bug on panic
2012-07-05Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs updates from Chris Mason: "I held off on my rc5 pull because I hit an oops during log recovery after a crash. I wanted to make sure it wasn't a regression because we have some logging fixes in here. It turns out that a commit during the merge window just made it much more likely to trigger directory logging instead of full commits, which exposed an old bug. The new backref walking code got some additional fixes. This should be the final set of them. Josef fixed up a corner where our O_DIRECT writes and buffered reads could expose old file contents (not stale, just not the most recent). He and Liu Bo fixed crashes during tree log recover as well. Ilya fixed errors while we resume disk balancing operations on readonly mounts." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: run delayed directory updates during log replay Btrfs: hold a ref on the inode during writepages Btrfs: fix tree log remove space corner case Btrfs: fix wrong check during log recovery Btrfs: use _IOR for BTRFS_IOC_SUBVOL_GETFLAGS Btrfs: resume balance on rw (re)mounts properly Btrfs: restore restriper state on all mounts Btrfs: fix dio write vs buffered read race Btrfs: don't count I/O statistic read errors for missing devices Btrfs: resolve tree mod log locking issue in btrfs_next_leaf Btrfs: fix tree mod log rewind of ADD operations Btrfs: leave critical region in btrfs_find_all_roots as soon as possible Btrfs: always put insert_ptr modifications into the tree mod log Btrfs: fix tree mod log for root replacements at leaf level Btrfs: support root level changes in __resolve_indirect_ref Btrfs: avoid waiting for delayed refs when we must not
2012-07-05Merge branch 'fixes-for-grant' of git://sources.calxeda.com/kernel/linuxLinus Torvalds
Pull DT fixes from Rob Herring: "Mainly some documentation updates and 2 fixes: - An export symbol fix for of_platform_populate from Stephen W. - A fix for the order compatible entries are matched to ensure the first compatible string is matched when there are multiple matches." Normally these would go through Grant Likely (thus the "fixes-for-grant" branch name), but Grant is in the middle of moving to Scotland, and is practically offline until sometime in August. So pull directly from Rob. * 'fixes-for-grant' of git://sources.calxeda.com/kernel/linux: of: match by compatible property first dt: mc13xxx.txt: Fix gpio number assignment dt: fsl-fec.txt: Fix gpio number assignment dt: fsl-mma8450.txt: Add missing 'reg' description dt: fsl-imx-esdhc.txt: Fix gpio number assignment dt: fsl-imx-cspi.txt: Fix comment about GPIOs used for chip selects of: Add Avionic Design vendor prefix of: export of_platform_populate()
2012-07-05ARM: fix warning caused by wrongly typed arm_dma_limitRussell King
arch/arm/mm/init.c: In function 'arm_memblock_init': arch/arm/mm/init.c:380: warning: comparison of distinct pointer types lacks a cast by fixing the typecast in its definition when DMA_ZONE is disabled. This was missed in 4986e5c7c (ARM: mm: fix type of the arm_dma_limit global variable). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05ARM: fix warnings about atomic64_readRussell King
Fix: net/netfilter/xt_connbytes.c: In function 'connbytes_mt': net/netfilter/xt_connbytes.c:43: warning: passing argument 1 of 'atomic64_read' discards qualifiers from pointer target type ... by adding the missing const. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05ARM: 7440/1: kprobes: only test 'sub pc, pc, #1b-2b+8-2' on ARMv6Rabin Vincent
'sub pc, pc, #1b-2b+8-2' results in address<1:0> == '10'. sub pc, pc, #const (== ADR pc, #const) performs an interworking branch (BXWritePC()) on ARMv7+ and a simple branch (BranchWritePC()) on earlier versions. In ARM state, BXWritePC() is UNPREDICTABLE when address<1:0> == '10'. In ARM state on ARMv6+, BranchWritePC() ignores address<1:0>. Before ARMv6, BranchWritePC() is UNPREDICTABLE if address<1:0> != '00' So the instruction is UNPREDICTABLE both before and after v6. Acked-by: Jon Medhurst <tixy@yxit.co.uk> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05Merge tag 'omap-fixes-for-v3.5-rc5' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes PM related fixes for omaps mostly to get suspend/resume working again. * tag 'omap-fixes-for-v3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: hwmod data: Fix wrong McBSP clock alias on OMAP4 ARM: OMAP4: hwmod data: temporarily comment out data for the usb_host_fs and aess IP blocks ARM: OMAP4: TWL6030: ensure sys_nirq1 is mux'd and wakeup enabled ARM: OMAP2: Overo: init I2C before MMC to fix MMC suspend/resume failure Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-05Merge branch 'mxs/fixes-for-3.5' of ↵Arnd Bergmann
git://git.linaro.org/people/shawnguo/linux-2.6 into fixes * 'mxs/fixes-for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: apx4devkit: fix FEC enabling PHY clock Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-05ARM: 7441/1: perf: return -EOPNOTSUPP if requested mode exclusion is unavailableWill Deacon
We currently return -EPERM if the user requests mode exclusion that is not supported by the CPU. This looks pretty confusing from userspace and is inconsistent with other architectures (ppc, x86). This patch returns -EOPNOTSUPP instead. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05ARM: 7443/1: Revert "new way of handling ERESTART_RESTARTBLOCK"Will Deacon
This reverts commit 6b5c8045ecc7e726cdaa2a9d9c8e5008050e1252. Conflicts: arch/arm/kernel/ptrace.c The new syscall restarting code can lead to problems if we take an interrupt in userspace just before restarting the svc instruction. If a signal is delivered when returning from the interrupt, the TIF_SYSCALL_RESTARTSYS will remain set and cause any syscalls executed from the signal handler to be treated as a restart of the previously interrupted system call. This includes the final sigreturn call, meaning that we may fail to exit from the signal context. Furthermore, if a system call made from the signal handler requires a restart via the restart_block, it is possible to clear the thread flag and fail to restart the originally interrupted system call. The right solution to this problem is to perform the restarting in the kernel, avoiding the possibility of handling a further signal before the restart is complete. Since we're almost at -rc6, let's revert the new method for now and aim for in-kernel restarting at a later date. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05ARM: 7442/1: Revert "remove unused restart trampoline"Will Deacon
This reverts commit fa18484d0947b976a769d15c83c50617493c81c1. We need the restart trampoline back so that we can revert a related problematic patch 6b5c8045ecc7e726cdaa2a9d9c8e5008050e1252 ("arm: new way of handling ERESTART_RESTARTBLOCK"). Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05ARM: fix set_domain() macroRussell King
Avoid polluting drivers with a set_domain() macro, which interferes with structure member names: drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c:294:33: error: macro "set_domain" passed 2 arguments, but takes just 1 Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-05aio: make kiocb->private NUll in init_sync_kiocb()Junxiao Bi
Ocfs2 uses kiocb.*private as a flag of unsigned long size. In commit a11f7e6 ocfs2: serialize unaligned aio, the unaligned io flag is involved in it to serialize the unaligned aio. As *private is not initialized in init_sync_kiocb() of do_sync_write(), this unaligned io flag may be unexpectly set in an aligned dio. And this will cause OCFS2_I(inode)->ip_unaligned_aio decreased to -1 in ocfs2_dio_end_io(), thus the following unaligned dio will hang forever at ocfs2_aiodio_wait() in ocfs2_file_aio_write(). Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com> Cc: stable@vger.kernel.org Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Joel Becker <jlbec@evilplan.org>
2012-07-05Merge tag 'omap-fixes-b-for-3.5rc' of ↵Tony Lindgren
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes A few more OMAP fixes for 3.5-rc. These fix some bugs with power management and McBSP.
2012-07-05ARM: apx4devkit: fix FEC enabling PHY clockLauri Hintsala
Ethernet stopped to work after mxs clk framework change. Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2012-07-04Input: request threaded-only IRQs with IRQF_ONESHOTLars-Peter Clausen
Since commit 1c6c69525b ("genirq: Reject bogus threaded irq requests") threaded IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise the request will fail. This patch adds the IRQF_ONESHOT to input drivers where it is missing. Not modified by this patch are those drivers where the requested IRQ will always be a nested IRQ (e.g. because it's part of an MFD), since for this special case IRQF_ONESHOT is not required to be specified when requesting the IRQ. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-07-04ARM: fix mach-versatile/pci.c warningRussell King
arch/arm/mach-versatile/pci.c: In function 'versatile_map_irq': arch/arm/mach-versatile/pci.c:342: warning: unused variable 'devslot' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-04ARM: OMAP2+: hwmod data: Fix wrong McBSP clock alias on OMAP4Benoit Cousson
The commit 503d0ea24d1d3dd3db95e5e0edd693da7a2a23eb ARM: OMAP4: hwmod data: Add aliases for McBSP fclk clocks added a wrong "prcm_clk" alias for PRCM clock whereas the McBSP driver and previous OMAPs are using "prcm_fck". It thus lead to the following warning. [ 47.409729] omap-mcbsp: clks: could not clk_get() prcm_fck Fix that by changing the opt_clk role to prcm_fck. Reported-by: Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com> Cc: Peter Ujfalusi <peter.ujfalusi@ti.com> Tested-by: Sebastien Guiriec <s-guiriec@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-07-04ARM: OMAP4: hwmod data: temporarily comment out data for the usb_host_fs and ↵Paul Walmsley
aess IP blocks The OMAP4 usb_host_fs (OHCI) and AESS IP blocks require some special programming for them to enter idle. Without this programming, they will prevent the rest of the chip from entering full chip idle. To implement the idle programming cleanly, this will take some coordination between maintainers. This is likely to take some time, so it is probably best to leave this for 3.6 or 3.7. So, in the meantime, prevent these IP blocks from being registered. Later, once the appropriate support is available, this patch can be reverted. This second version comments out the IP block data since Benoît didn't like removing it. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoît Cousson <b-cousson@ti.com>
2012-07-04Merge branch 'fixes' of git://github.com/hzhuang1/linux into fixesArnd Bergmann
From Haojian Zhuang <haojian.zhuang@gmail.com>: * 'fixes' of git://github.com/hzhuang1/linux: ARM: mmp: remove mach/gpio-pxa.h Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-04Merge tag 'v3.5-imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 ↵Arnd Bergmann
into fixes From Sascha Hauer <s.hauer@pengutronix.de>: ARM i.MX fixes for v3.5-rc5 * tag 'v3.5-imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6: ARM: imx: assert SCC gate stays enabled ARM: imx27_visstrim_m10: Do not include <asm/system.h> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-04ARM: Orion: Fix WDT compile for Dove and MV78xx0Andrew Lunn
Commit 0fa1f0609a0c1fe8b2be3c0089a2cb48f7fda521 (ARM: Orion: Fix Virtual/Physical mixup with watchdog) broke the Dove & MV78xx0 build. Although these two SoC don't use the watchdog, the shared platform code still needs to build. Add the necessary defines. Cc: stable@vger.kernel.org Reported-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-07-04ARM: mmp: remove mach/gpio-pxa.hPaul Bolle
Commit 157d2644cb0c1e71a18baaffca56d2b1d0ebf10f ("ARM: pxa: change gpio to platform device") removed all includes of mach/gpio-pxa.h. It kept this unused header in the tree. Using it can't work, as it itself includes the non-existent header plat/gpio-pxa.h. This header can safely be removed. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-07-04leds: heartbeat: fix bug on panicAlexander Holler
With commit 49dca5aebfdeadd4bf27b6cb4c60392147dc35a4 I introduced a bug (visible if CONFIG_PROVE_RCU is enabled) which occures when a panic has happened: [ 1526.520230] =============================== [ 1526.520230] [ INFO: suspicious RCU usage. ] [ 1526.520230] 3.5.0-rc1+ #12 Not tainted [ 1526.520230] ------------------------------- [ 1526.520230] /c/kernel-tests/mm/include/linux/rcupdate.h:436 Illegal context switch in RCU read-side critical section! [ 1526.520230] [ 1526.520230] other info that might help us debug this: [ 1526.520230] [ 1526.520230] [ 1526.520230] rcu_scheduler_active = 1, debug_locks = 0 [ 1526.520230] 3 locks held by net.agent/3279: [ 1526.520230] #0: (&mm->mmap_sem){++++++}, at: [<ffffffff82f85962>] do_page_fault+0x193/0x390 [ 1526.520230] #1: (panic_lock){+.+...}, at: [<ffffffff82ed2830>] panic+0x37/0x1d3 [ 1526.520230] #2: (rcu_read_lock){.+.+..}, at: [<ffffffff810b9b28>] rcu_lock_acquire+0x0/0x29 [ 1526.520230] [ 1526.520230] stack backtrace: [ 1526.520230] Pid: 3279, comm: net.agent Not tainted 3.5.0-rc1+ #12 [ 1526.520230] Call Trace: [ 1526.520230] [<ffffffff810e1570>] lockdep_rcu_suspicious+0x109/0x112 [ 1526.520230] [<ffffffff810bfe3a>] rcu_preempt_sleep_check+0x45/0x47 [ 1526.520230] [<ffffffff810bfe5a>] __might_sleep+0x1e/0x19a [ 1526.520230] [<ffffffff82f8010e>] down_write+0x26/0x81 [ 1526.520230] [<ffffffff8276a966>] led_trigger_unregister+0x1f/0x9c [ 1526.520230] [<ffffffff8276def5>] heartbeat_reboot_notifier+0x15/0x19 [ 1526.520230] [<ffffffff82f85bf5>] notifier_call_chain+0x96/0xcd [ 1526.520230] [<ffffffff82f85cba>] __atomic_notifier_call_chain+0x8e/0xff [ 1526.520230] [<ffffffff81094b7c>] ? kmsg_dump+0x37/0x1eb [ 1526.520230] [<ffffffff82f85d3f>] atomic_notifier_call_chain+0x14/0x16 [ 1526.520230] [<ffffffff82ed28e1>] panic+0xe8/0x1d3 [ 1526.520230] [<ffffffff811473e2>] out_of_memory+0x15d/0x1d3 So in case of a panic, now just turn of the LED. Other approaches like scheduling a work to unregister the trigger aren't working because there isn't much which still runs after a panic occured (except timers). Signed-off-by: Alexander Holler <holler@ahsoftware.de> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-07-04ARM: imx: assert SCC gate stays enabledUwe Kleine-König
The SCC clock is needed in internal boot mode and so must keep enabled. This same issue was fixed for the pre-common-clk code in commit 3d6e614 (mx35: Fix boot ROM hang in internal boot mode) Cc: John Ogness <jogness@linutronix.de> Cc: Hans J. Koch <hjk@hansjkoch.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-07-03ocfs2: Fix bogus error message from ocfs2_global_read_infoJan Kara
'status' variable in ocfs2_global_read_info() is always != 0 when leaving the function because it happens to contain number of read bytes. Thus we always log error message although everything is OK. Since all error cases properly call mlog_errno() before jumping to out_err, there's no reason to call mlog_errno() on exit at all. This is a fallout of c1e8d35e (conversion of mlog_exit() calls). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Joel Becker <jlbec@evilplan.org>
2012-07-03ocfs2: for SEEK_DATA/SEEK_HOLE, return internal error unchanged if ↵Jeff Liu
ocfs2_get_clusters_nocache() or ocfs2_inode_lock() call failed. Hello, Since ENXIO only means "offset beyond EOF" for SEEK_DATA/SEEK_HOLE, Hence we should return the internal error unchanged if ocfs2_inode_lock() or ocfs2_get_clusters_nocache() call failed rather than ENXIO. Otherwise, it will confuse the user applications when they trying to understand the root cause. Thanks Dave for pointing this out. Thanks, -Jeff Cc: Dave Chinner <david@fromorbit.com> Signed-off-by: Jie Liu <jeff.liu@oracle.com> Signed-off-by: Joel Becker <jlbec@evilplan.org>
2012-07-03ocfs2: use spinlock irqsave for downconvert lock.patchSrinivas Eeda
When ocfs2dc thread holds dc_task_lock spinlock and receives soft IRQ it deadlock itself trying to get same spinlock in ocfs2_wake_downconvert_thread. Below is the stack snippet. The patch disables interrupts when acquiring dc_task_lock spinlock. ocfs2_wake_downconvert_thread ocfs2_rw_unlock ocfs2_dio_end_io dio_complete ..... bio_endio req_bio_endio .... scsi_io_completion blk_done_softirq __do_softirq do_softirq irq_exit do_IRQ ocfs2_downconvert_thread [kthread] Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com> Signed-off-by: Joel Becker <jlbec@evilplan.org>
2012-07-03ocfs2: Misplaced parens in unlikleyroel
Fix misplaced parentheses Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Joel Becker <jlbec@evilplan.org>
2012-07-03ocfs2: clear unaligned io flag when dio failsJunxiao Bi
The unaligned io flag is set in the kiocb when an unaligned dio is issued, it should be cleared even when the dio fails, or it may affect the following io which are using the same kiocb. Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com> Cc: stable@vger.kernel.org Signed-off-by: Joel Becker <jlbec@evilplan.org>
2012-07-03Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linuxLinus Torvalds
Pull fix to common clk framework from Michael Turquette: "The previous set of common clk fixes for -rc5 left an uninitialized int which could lead to bad array indexing when switching clock parents. The issue is fixed with a trivial change to the code flow in __clk_set_parent." * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux: clk: fix parent validation in __clk_set_parent()
2012-07-03Merge tag 'md-3.5-fixes' of git://neil.brown.name/mdLinus Torvalds
Pull raid10 build failure fix from NeilBrown: "I really shouldn't do important things late in the day. It seems that I get careless." * tag 'md-3.5-fixes' of git://neil.brown.name/md: md/raid10: fix careless build error