11 Jul, 2012
2 commits
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Implement the attribute itself and add the code for the
AMD IOMMU driver.Signed-off-by: Joerg Roedel
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This patch introduces an extension to the iommu-api to get
and set attributes for an iommu_domain. Two functions are
introduced for this:* iommu_domain_get_attr()
* iommu_domain_set_attr()These functions will be used to make the iommu-api suitable
for GART-like IOMMUs and to implement hardware-specifc
api-extensions.Signed-off-by: Joerg Roedel
08 Jul, 2012
4 commits
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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 -
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
Cc: Al Viro
Cc: stable@kernel.org # O_PATH introduced in 3.0+
Signed-off-by: Linus 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
07 Jul, 2012
11 commits
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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
Signed-off-by: Andy Lutomirski
Acked-by: Kees Cook
Signed-off-by: James Morris -
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 -
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 -
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
Reported-by: Sasha Levin
Tested-by: Sasha Levin -
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
Cc: Chad Dupuis
Cc: Giridhar Malavali
Signed-off-by: Nicholas Bellinger -
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
Tested-by: Ross Brattain
Cc:
Signed-off-by: Nicholas Bellinger -
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 -
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
Cc: Miklos Szeredi
Cc: Badari Pulavarty
Cc: Nick Piggin
Cc: stable@vger.kernel.org
Signed-off-by: Andy Lutomirski
Signed-off-by: Linus Torvalds -
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 -
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 -
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
06 Jul, 2012
6 commits
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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
Cc: stable@vger.kernel.org
Signed-off-by: Artem Bityutskiy
Signed-off-by: David Woodhouse -
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
ARM: pxa: hx4700: Fix basic suspend/resume -
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 -
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 -
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 -
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()
05 Jul, 2012
14 commits
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arch/arm/mm/init.c: In function 'arm_memblock_init':
arch/arm/mm/init.c:380: warning: comparison of distinct pointer types lacks a castby 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
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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
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'sub pc, pc, #1b-2b+8-2' results in address == '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 == '10'.
In ARM state on ARMv6+, BranchWritePC() ignores address. Before
ARMv6, BranchWritePC() is UNPREDICTABLE if address != '00'So the instruction is UNPREDICTABLE both before and after v6.
Acked-by: Jon Medhurst
Signed-off-by: Rabin Vincent
Signed-off-by: Russell King -
…/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 failureSigned-off-by: Arnd Bergmann <arnd@arndb.de>
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* 'mxs/fixes-for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: apx4devkit: fix FEC enabling PHY clockSigned-off-by: Arnd Bergmann
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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
Signed-off-by: Russell King -
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
Signed-off-by: Will Deacon
Signed-off-by: Russell King -
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
Signed-off-by: Will Deacon
Signed-off-by: Russell 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
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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
Cc: stable@vger.kernel.org
Acked-by: Jeff Moyer
Signed-off-by: Joel Becker -
…git/pjw/omap-pending into fixes
A few more OMAP fixes for 3.5-rc. These fix some bugs with power
management and McBSP. -
Ethernet stopped to work after mxs clk framework change.
Signed-off-by: Lauri Hintsala
Signed-off-by: Shawn Guo -
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
Signed-off-by: Dmitry Torokhov -
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
04 Jul, 2012
3 commits
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The commit 503d0ea24d1d3dd3db95e5e0edd693da7a2a23eb
ARM: OMAP4: hwmod data: Add aliases for McBSP fclk clocksadded 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
Signed-off-by: Benoit Cousson
Cc: Peter Ujfalusi
Tested-by: Sebastien Guiriec
Signed-off-by: Paul Walmsley -
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
Cc: Benoît Cousson -
From Haojian Zhuang :
* 'fixes' of git://github.com/hzhuang1/linux:
ARM: mmp: remove mach/gpio-pxa.hSigned-off-by: Arnd Bergmann
