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The data encryption was moved from ecryptfs_write_end into
ecryptfs_writepage, this patch moves the corresponding function
comments to be consistent with the modification.
Signed-off-by: Li Wang <liwang@nudt.edu.cn>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Says Tyler:
"Tim's logging message update will be really helpful to users when
they're trying to locate a problematic file in the lower filesystem
with filename encryption enabled.
You'll recognize the fix from Li, as you commented on that.
You should also be familiar with my setattr/truncate improvements,
since you were the one that pointed them out to us (thanks again!).
Andrew noted the /dev/ecryptfs write count sanitization needed to be
improved, so I've got a fix in there for that along with some other
less important cleanups of the /dev/ecryptfs read/write code."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: Fix oops when printing debug info in extent crypto functions
eCryptfs: Remove unused ecryptfs_read()
eCryptfs: Check inode changes in setattr
eCryptfs: Make truncate path killable
eCryptfs: Infinite loop due to overflow in ecryptfs_write()
eCryptfs: Replace miscdev read/write magic numbers
eCryptfs: Report errors in writes to /dev/ecryptfs
eCryptfs: Sanitize write counts of /dev/ecryptfs
ecryptfs: Remove unnecessary variable initialization
ecryptfs: Improve metadata read failure logging
MAINTAINERS: Update eCryptfs maintainer address
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Otherwise we won't resync later.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Otherwise we won't resync later.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Otherwise we won't resync later.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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dss_core has to be initialized before any other DSS hwmod. Currently
this is broken as dss_core is listed in chip/revision specific hwmod
lists while other DSS hwmods are listed in common list which is
registered first.
This patch moves DSS hwmods (except for dss_core) to the separate list
which is registered last to ensure that dss_core is already registered.
This solves the problem with BUG() in L3 interrupt handler on boards
with DSS enabled in bootloader.
The long-term fix to this is to ensure modules are set up in dependency
order in the hwmod core code.
CC: Tomi Valkeinen <tomi.valkeinen@ti.com>
CC: Archit Taneja <archit@ti.com>
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
[paul@pwsan.com: add notes that this is just a temporary workaround until
hwmod dependencies are added]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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When a TD length mismatch is found during isoc TRB enqueue, it directly
returns -EINVAL. However, isoc transfer is partially enqueued at this time,
and the ring should be cleared.
This should be backported to kernels as old as 2.6.36, which contain the
commit 522989a27c7badb608155b1f1dea3487ed431f74 "xhci: Fix failed
enqueue in the middle of isoch TD."
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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If pages passed to the eCryptfs extent-based crypto functions are not
mapped and the module parameter ecryptfs_verbosity=1 was specified at
loading time, a NULL pointer dereference will occur.
Note that this wouldn't happen on a production system, as you wouldn't
pass ecryptfs_verbosity=1 on a production system. It leaks private
information to the system logs and is for debugging only.
The debugging info printed in these messages is no longer very useful
and rather than doing a kmap() in these debugging paths, it will be
better to simply remove the debugging paths completely.
https://launchpad.net/bugs/913651
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Daniel DeFreez
Cc: <stable@vger.kernel.org>
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ecryptfs_read() has been ifdef'ed out for years now and it was
apparently unused before then. It is time to get rid of it for good.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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Most filesystems call inode_change_ok() very early in ->setattr(), but
eCryptfs didn't call it at all. It allowed the lower filesystem to make
the call in its ->setattr() function. Then, eCryptfs would copy the
appropriate inode attributes from the lower inode to the eCryptfs inode.
This patch changes that and actually calls inode_change_ok() on the
eCryptfs inode, fairly early in ecryptfs_setattr(). Ideally, the call
would happen earlier in ecryptfs_setattr(), but there are some possible
inode initialization steps that must happen first.
Since the call was already being made on the lower inode, the change in
functionality should be minimal, except for the case of a file extending
truncate call. In that case, inode_newsize_ok() was never being
called on the eCryptfs inode. Rather than inode_newsize_ok() catching
maximum file size errors early on, eCryptfs would encrypt zeroed pages
and write them to the lower filesystem until the lower filesystem's
write path caught the error in generic_write_checks(). This patch
introduces a new function, called ecryptfs_inode_newsize_ok(), which
checks if the new lower file size is within the appropriate limits when
the truncate operation will be growing the lower file.
In summary this change prevents eCryptfs truncate operations (and the
resulting page encryptions), which would exceed the lower filesystem
limits or FSIZE rlimits, from ever starting.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reviewed-by: Li Wang <liwang@nudt.edu.cn>
Cc: <stable@vger.kernel.org>
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ecryptfs_write() handles the truncation of eCryptfs inodes. It grabs a
page, zeroes out the appropriate portions, and then encrypts the page
before writing it to the lower filesystem. It was unkillable and due to
the lack of sparse file support could result in tying up a large portion
of system resources, while encrypting pages of zeros, with no way for
the truncate operation to be stopped from userspace.
This patch adds the ability for ecryptfs_write() to detect a pending
fatal signal and return as gracefully as possible. The intent is to
leave the lower file in a useable state, while still allowing a user to
break out of the encryption loop. If a pending fatal signal is detected,
the eCryptfs inode size is updated to reflect the modified inode size
and then -EINTR is returned.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Cc: <stable@vger.kernel.org>
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ecryptfs_write() can enter an infinite loop when truncating a file to a
size larger than 4G. This only happens on architectures where size_t is
represented by 32 bits.
This was caused by a size_t overflow due to it incorrectly being used to
store the result of a calculation which uses potentially large values of
type loff_t.
[tyhicks@canonical.com: rewrite subject and commit message]
Signed-off-by: Li Wang <liwang@nudt.edu.cn>
Signed-off-by: Yunchuan Wen <wenyunchuan@kylinos.com.cn>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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ecryptfs_miscdev_read() and ecryptfs_miscdev_write() contained many
magic numbers for specifying packet header field sizes and offsets. This
patch defines those values and replaces the magic values.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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Errors in writes to /dev/ecryptfs were being incorrectly reported by
returning 0 or the value of the original write count.
This patch clears up the return code assignment in error paths.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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A malicious count value specified when writing to /dev/ecryptfs may
result in a a very large kernel memory allocation.
This patch peeks at the specified packet payload size, adds that to the
size of the packet headers and compares the result with the write count
value. The resulting maximum memory allocation size is approximately 532
bytes.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Sasha Levin <levinsasha928@gmail.com>
Cc: <stable@vger.kernel.org>
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Removes unneeded variable initialization in ecryptfs_read_metadata(). Also adds
a small comment to help explain metadata reading logic.
[tyhicks@canonical.com: Pulled out of for-stable patch and wrote commit msg]
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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Print inode on metadata read failure. The only real
way of dealing with metadata read failures is to delete
the underlying file system file. Having the inode
allows one to 'find . -inum INODE`.
[tyhicks@canonical.com: Removed some minor not-for-stable parts]
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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Update my email address in MAINTAINERS.
Signed-off-by: Dustin Kirkland <dustin.kirkland@gazzang.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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Commit 22f51371f8c35869ed850f46aa76b6cc2b502110 ("ARM: OMAP3: pm: use
prcm chain handler") breaks the build on a 2420-only config, due to
a missing include for plat/irqs.h:
CC arch/arm/mach-omap2/prm2xxx_3xxx.o
arch/arm/mach-omap2/prm2xxx_3xxx.c:41:11: error: 'INT_34XX_PRCM_MPU_IRQ' undeclared here (not in a function)
Fix by explicitly including it.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
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Commit 7b250aff1ce346b6c7bc0329a2350334d1c66525 ("ARM: OMAP: Avoid
cpu_is_omapxxxx usage until map_io is done") breaks the build on a
2420-only config on v3.3-rc1:
arch/arm/mach-omap2/built-in.o: In function `omap2430_init_early':
arch/arm/mach-omap2/io.c:406: undefined reference to `omap2_set_globals_243x'
arch/arm/mach-omap2/io.c:410: undefined reference to `omap243x_clockdomains_init'
arch/arm/mach-omap2/io.c:411: undefined reference to `omap2430_hwmod_init'
Fix by only compiling omap2420_init_early() when CONFIG_SOC_OMAP2420
is selected, and only compiling omap2430_init_early() when
CONFIG_SOC_OMAP2430 is selected.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
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To be able to get the memory resources by name from
the DMIC driver (for MPU and for DMA).
Without this patch, functionality that was working in 3.2 breaks in
3.3-rc1. This patch should have gone in as part of the 3.3 merge
window, but was inadvertently missed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[paul@pwsan.com: added commit message note]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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dispc's sysc_flags is missing SYSC_HAS_ENAWAKEUP flag. This seems to
cause SYNC_LOST errors from the DSS when the power management is
enabled.
This patch adds the missing SYSC_HAS_ENAWAKEUP flag. Note that there are
other flags missing also (clock activity, DSI's sysc flags), but as they
are not critical, they will be fixed in the next merge window.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Currently OMAP2 and 3 share the same omap_hwmod_class and
omap_hwmod_class_sysconfig for dispc. However, OMAP3 has sysconfig
bits that OMAP2 doesn't have, so we need to split those structs into
OMAP2 and OMAP3 specific versions.
This patch only splits the structs, without changing the contents.
This is a prerequisite for a subsequent fix.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[paul@pwsan.com: added commit note]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Both changes in dc97b3409a790d2a21aac6e5cdb99558b5944119 cause serious
regressions in the nouveau driver.
move_notify() was originally able to presume that bo->mem is the old node,
and new_mem is the new node. The above commit moves the call to
move_notify() to after move() has been done, which means that now, sometimes,
new_mem isn't the new node at all, bo->mem is, and new_mem points at a
stale, possibly-just-been-killed-by-move node.
This is clearly not a good situation. This patch reverts this change, and
replaces it with a cleanup in the move() failure path instead.
The second issue is that the call to move_notify() from cleanup_memtype_use()
causes the TTM ghost objects to get passed into the driver. This is clearly
bad as the driver knows nothing about these "fake" TTM BOs, and ends up
accessing uninitialised memory.
I worked around this in nouveau's move_notify() hook by ensuring the BO
destructor was nouveau's. I don't particularly like this solution, and
would rather TTM never pass the driver these objects. However, I don't
clearly understand the reason why we're calling move_notify() here anyway
and am happy to work around the problem in nouveau instead of breaking the
behaviour expected by other drivers.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Jerome Glisse <j.glisse@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We need to write the configuration for each microphone to a different
register.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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My forcewake spinlock patches have a functional conflict with Ben
Widawsky's gen6 drpc support for debugfs. Result was a benign warning
about trying to read an non-atomic variabla with atomic_read.
Note that the entire check is racy anyway and purely informational.
Also update it to reflect the forcewake voodoo changes, the kernel can
now also hold onto a forcewake reference for longer times.
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
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Commit b52a360b forgot to call xfs_iunlock() when it detected corrupted
symplink and bailed out. Fix it by jumping to 'out' instead of doing return.
CC: stable@kernel.org
CC: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Alex Elder <elder@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
* 'for-greg' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: musb: omap2430: minor cleanups.
usb: dwc3: unmap the proper number of sg entries
usb: musb: fix shutdown while usb gadget is in use
usb: gadget: f_mass_storage: Use "bool" instead of "int" in fsg_module_parameters
usb: gadget: check for streams only for SS udcs
usb: gadget: fsl_udc: fix the usage of udc->max_ep
drivers: usb: otg: Fix dependencies for some OTG drivers
usb: renesas: silence uninitialized variable report in usbhsg_recip_run_handle()
usb: gadget: SS Isoc endpoints use comp_desc->bMaxBurst too
usb: gadget: storage: endian fix
usb: dwc3: ep0: fix compile warning
usb: musb: davinci: fix build breakage
usb: gadget: langwell: don't call gadget's disconnect()
usb: gadget: langwell: drop langwell_otg support
usb: otg: kill langwell_otg driver
usb: dwc3: ep0: tidy up Pending Request handling
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When we have identified an accessory make sure we've flagged that we've
done so in order to make sure we always report buttons and don't continue
to polarity flip.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This macro is used to generate unprivileged accesses (LDRT/STRT) to user
space.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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If GPU lockup is detected in ib_pool get we are holding the ib_pool
mutex that will be needed by the GPU reset code. As ib_pool code is
safe to be reentrant from GPU reset code we should not block if we
are trying to get the ib pool lock on the behalf of the same userspace
caller, thus use the radeon_mutex_lock helper.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Silence out the lock dependency warning by moving bo allocation out
of ib mutex protected section. Might lead to useless temporary
allocation but it's not harmful as such things only happen at
initialization.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If the master tries to authenticate a client using drm_authmagic and
that client has already closed its drm file descriptor,
either wilfully or because it was terminated, the
call to drm_authmagic will dereference a stale pointer into kmalloc'ed memory
and corrupt it.
Typically this results in a hard system hang.
This patch fixes that problem by removing any authentication tokens
(struct drm_magic_entry) open for a file descriptor when that file
descriptor is closed.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The dynamic ftrace ops startup test currently fails on Thumb-2 kernels:
Testing tracer function: PASSED
Testing dynamic ftrace: PASSED
Testing dynamic ftrace ops #1: (0 0 0 0 0) FAILED!
This is because while the addresses in the mcount records do not have
the zero bit set, the IP reported by the mcount call does have it set
(because it is copied from the LR). This mismatch causes the ops
filtering in ftrace_ops_list_func() to not call the relevant tracers.
Fix this by clearing the zero bit before adjusting the LR for the mcount
instruction size. Also, combine the mov+sub into a single sub
instruction.
Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Since commit 0536bdf33faf (ARM: move iotable mappings within
the vmalloc region), the RealView PB11MP cannot boot anymore.
This is caused by the way the mappings are described on this
platform (define replaced by hex values for clarity):
{ /* GIC CPU interface mapping */
.virtual = IO_ADDRESS(0x1F000100),
.pfn = __phys_to_pfn(0x1F000100),
.length = SZ_4K,
.type = MT_DEVICE,
}, { /* GIC distributor mapping */
.virtual = IO_ADDRESS(0x1F001000),
.pfn = __phys_to_pfn(0x1F001000),
.length = SZ_4K,
.type = MT_DEVICE,
}
The first mapping ends up reserving two pages, and clashes with
the second one, which triggers a BUG_ON in vm_area_add_early().
In order to solve this problem, treat the MPCore private memory
region (containing the SCU, the GIC and the TWD) as a single region,
as described in the TRM:
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0360f/CACGDJJC.html
The EB11MP is converted the same way, even if it manages to avoid
the problem.
Tested on both PB11MP and EB11MP.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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HP laptop models with buggy BIOS are apparently frequent, including
machines with different codecs. Set the polarity of the mute led based
on the SSID and include an entry for the HP Mini 110-3100.
Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
Tested-by: Predrag Ivanovic <predivan@open.telekom.rs>
Cc: <stable@kernel.org> [v3.2+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The refactoring of Realtek codec driver in 3.2 kernel caused a
regression for ASUS A6Rp laptop; it doesn't give any output.
The reason was that this machine has a secret master mute (or EAPD)
control via NID 0x0f VREF. Setting VREF50 on this node makes the
sound working again.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42588
Cc: <stable@kernel.org> [v3.2+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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1/ remove incorrect comment (it is a non-blocking notifier)
2/ Use correct symbolic return value for notifier
3/ Make sure otg_notifier_work is cancelled before module exit.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Quoth Len:
"This fixes a merge-window regression due to a conflict
between error injection and preparation to remove atomicio.c
Here we fix that regression and complete the removal
of atomicio.c.
This also re-orders some idle initialization code to
complete the merge window series that allows cpuidle
to cope with bringing processors on-line after boot."
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
Use acpi_os_map_memory() instead of ioremap() in einj driver
ACPI, APEI, EINJ, cleanup 0 vs NULL confusion
ACPI, APEI, EINJ Allow empty Trigger Error Action Table
thermal: Rename generate_netlink_event
ACPI / PM: Add Sony Vaio VPCCW29FX to nonvs blacklist.
ACPI: Remove ./drivers/acpi/atomicio.[ch]
ACPI, APEI: Add RAM mapping support to ACPI
ACPI, APEI: Add 64-bit read/write support for APEI on i386
ACPI processor hotplug: Delay acpi_processor_start() call for hotplugged cores
ACPI processor hotplug: Split up acpi_processor_add
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Fix build on some non-freescale platforms
powerpc/powernv: Fix PCI resource handling
powerpc/crash: Fix build error without SMP
powerpc/cpuidle: Make it a bool, not a tristate
powerpc/85xx: Add dr_mode property in USB nodes
powerpc/85xx: Enable USB2 controller node for P1020RDB
powerpc/85xx: Fix cmd12 bug and add the chip compatible for eSDHC
arch/powerpc/sysdev/fsl_pci.c: add missing iounmap
powerpc: fix compile error with 85xx/p1022_ds.c
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Commit 9deaa53ac7fa373623123aa4f18828dd62292b1a broke build
on platforms that use legacy_serial.c without also having
CONFIG_SERIAL_8250_FSL enabled due to an unconditional code
to a routine in that module.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Recent changes to the handling of PCI resources for host bridges
are breaking the PowerNV code for assigning resources on IODA.
The root of the problem is that the pci_bus attached to a host
bridge no longer has its "legacy" resource pointers populated
but only uses the newer list instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The synchronize_rcu() call resulting from making every serial driver
wake-up capable (commit b3b708fa) slows boot down on my Tegra2x system
(with CONFIG_PREEMPT disabled).
But this is avoidable since it is the device_set_wakeup_enable() and then
subsequence disable which causes the delay. We might as well just make
the device wakeup capable but not actually enable it for wakeup until
needed.
Effectively the current code does this:
device_set_wakeup_capable(dev, 1);
device_set_wakeup_enable(dev, 1);
device_set_wakeup_enable(dev, 0);
We can just drop the last two lines.
Before this change my boot log says:
[ 0.227062] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.702928] serial8250.0: ttyS0 at MMIO 0x70006040 (irq = 69) is a Tegra
after:
[ 0.227264] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.227983] serial8250.0: ttyS0 at MMIO 0x70006040 (irq = 69) is a Tegra
for saving of 450ms.
Suggested-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix new kernel-doc warning. This file no longer contains
kernel-doc comments.
Warning(include/linux/serial_core.h): no structured comments found
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Protect against pl011_console_write() and the interrupt for
the console UART running concurrently on different CPUs.
Otherwise the console_write could spin for a long time
waiting for the UART to become not busy, while the other
CPU continuously services UART interrupts and keeps the
UART busy.
The checks for sysrq and oops_in_progress are taken
from 8250.c.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Reviewed-by: Bibek Basu <bibek.basu@stericsson.com>
Reviewed-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In present driver, shutdown clears RTS and DTR in CR register. But the
documentation "Documentation/serial/driver" suggests not to disable
RTS and DTR in shutdown(). Also RTS and DTR is preserved between shutdown
and startup calls, i.e. these are restored in startup if they were enabled
while doing shutdown. So that if RTS and DTR are set using pl011_set_mctrl
then it should continue even after shutdown->startup sequence.
For throttling/unthrottling user should call pl011_set_mctrl.
Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Davem says:
1) Fix JIT code generation on x86-64 for divide by zero, from Eric Dumazet.
2) tg3 header length computation correction from Eric Dumazet.
3) More build and reference counting fixes for socket memory cgroup
code from Glauber Costa.
4) module.h snuck back into a core header after all the hard work we
did to remove that, from Paul Gortmaker and Jesper Dangaard Brouer.
5) Fix PHY naming regression and add some new PCI IDs in stmmac, from
Alessandro Rubini.
6) Netlink message generation fix in new team driver, should only advertise
the entries that changed during events, from Jiri Pirko.
7) SRIOV VF registration and unregistration fixes, and also add a
missing PCI ID, from Roopa Prabhu.
8) Fix infinite loop in tx queue flush code of brcmsmac, from Stanislaw Gruszka.
9) ftgmac100/ftmac100 build fix, missing interrupt.h include.
10) Memory leak fix in net/hyperv do_set_mutlicast() handling, from Wei Yongjun.
11) Off by one fix in netem packet scheduler, from Vijay Subramanian.
12) TCP loss detection fix from Yuchung Cheng.
13) TCP reset packet MD5 calculation uses wrong address, fix from Shawn Lu.
14) skge carrier assertion and DMA mapping fixes from Stephen Hemminger.
15) Congestion recovery undo performed at the wrong spot in BIC and CUBIC
congestion control modules, fix from Neal Cardwell.
16) Ethtool ETHTOOL_GSSET_INFO is unnecessarily restrictive, from Michał Mirosław.
17) Fix triggerable race in ipv6 sysctl handling, from Francesco Ruggeri.
18) Statistics bug fixes in mlx4 from Eugenia Emantayev.
19) rds locking bug fix during info dumps, from your's truly.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
rds: Make rds_sock_lock BH rather than IRQ safe.
netprio_cgroup.h: dont include module.h from other includes
net: flow_dissector.c missing include linux/export.h
team: send only changed options/ports via netlink
net/hyperv: fix possible memory leak in do_set_multicast()
drivers/net: dsa/mv88e6xxx.c files need linux/module.h
stmmac: added PCI identifiers
llc: Fix race condition in llc_ui_recvmsg
stmmac: fix phy naming inconsistency
dsa: Add reporting of silicon revision for Marvell 88E6123/88E6161/88E6165 switches.
tg3: fix ipv6 header length computation
skge: add byte queue limit support
mv643xx_eth: Add Rx Discard and Rx Overrun statistics
bnx2x: fix compilation error with SOE in fw_dump
bnx2x: handle CHIP_REVISION during init_one
bnx2x: allow user to change ring size in ISCSI SD mode
bnx2x: fix Big-Endianess in ethtool -t
bnx2x: fixed ethtool statistics for MF modes
bnx2x: credit-leakage fixup on vlan_mac_del_all
macvlan: fix a possible use after free
...
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More ports we now know how to talk to.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This reverts commit 0dd2b62ada6f911fbd13e98e98f57f4edc42c604.
It causes a bunch of Kconfig errors:
drivers/usb/host/Kconfig:559:error: recursive dependency detected!
drivers/usb/host/Kconfig:559: symbol USB_HWA_HCD depends on UWB
drivers/uwb/Kconfig:5: symbol UWB is selected by USB_WUSB
drivers/usb/wusbcore/Kconfig:4: symbol USB_WUSB is selected by USB_HWA_HCD
showing that this really wasn't the correct fix at all.
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ERROR: "usb_remove_hcd" [drivers/usb/otg/mv_otg.ko] undefined!
ERROR: "usb_add_hcd" [drivers/usb/otg/mv_otg.ko] undefined!
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
--
Inpired by drivers/usb/otg/msm_otg.c. Is this correct?
drivers/usb/otg/mv_otg.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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