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The sendmmsg() introduced by commit 228e548e "net: Add sendmmsg socket system
call" is capable of sending to multiple different destination addresses.
SMACK is using destination's address for checking sendmsg() permission.
However, security_socket_sendmsg() is called for only once even if multiple
different destination addresses are passed to sendmmsg().
Therefore, we need to call security_socket_sendmsg() for each destination
address rather than only the first destination address.
Since calling security_socket_sendmsg() every time when only single destination
address was passed to sendmmsg() is a waste of time, omit calling
security_socket_sendmsg() unless destination address of previous datagram and
that of current datagram differs.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Anton Blanchard <anton@samba.org>
Cc: stable <stable@kernel.org> [3.0+]
Signed-off-by: David S. Miller <davem@davemloft.net>
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To limit the amount of time we can spend in sendmmsg, cap the
number of elements to UIO_MAXIOV (currently 1024).
For error handling an application using sendmmsg needs to retry at
the first unsent message, so capping is simpler and requires less
application logic than returning EINVAL.
Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: stable <stable@kernel.org> [3.0+]
Signed-off-by: David S. Miller <davem@davemloft.net>
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sendmmsg uses a similar error return strategy as recvmmsg but it
turns out to be a confusing way to communicate errors.
The current code stores the error code away and returns it on the next
sendmmsg call. This means a call with completely valid arguments could
get an error from a previous call.
Change things so we only return an error if no datagrams could be sent.
If less than the requested number of messages were sent, the application
must retry starting at the first failed one and if the problem is
persistent the error will be returned.
This matches the behaviour of other syscalls like read/write - it
is not an error if less than the requested number of elements are sent.
Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: stable <stable@kernel.org> [3.0+]
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 4e20fa65a3ea789510eed1a15deb9e8aab2b8202.
Francesco Allertsen still has a broken configuration.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There is currently no upper limit on the mondo queue sizes we'll use,
which guarentees that we'll eventually his page allocation limits, and
thus allocation failures, due to MAX_ORDER.
Cap the sizes sanely, current limits are:
CPU MONDO 2 * max_possible_cpus
DEV MONDO 256 (basically NR_IRQS)
RES MONDO 128
NRES MONDO 4
Signed-off-by: David S. Miller <davem@davemloft.net>
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On sun4v this is basically required since we point the hypervisor and
the TSB walking hardware at these tables using physical addressing
too.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This isn't really critical any more, since other patches (commit
298507d4d2cf: "shm: optimize exit_shm()") have caused us to not actually
need to touch the rw_mutex unless there are actual shm segments
associated with the namespace, but we really should do tne shm_init_ns()
earlier than we do now.
This, together with commit 288d5abec831 ("Boot up with usermodehelper
disabled") will mean that we really do initialize the initial ipc
namespace data structure before we run any tasks.
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
RCUify freeing acls, let check_acl() go ahead in RCU mode if acl is cached
get rid of boilerplate switches in posix_acl.h
fix block device fallout from ->fsync() changes
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'fixefi' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
efi: Fix argument types for SetVariable() for ia64
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
slab, lockdep: Annotate the locks before using them
lockdep: Clear whole lockdep_map on initialization
slab, lockdep: Annotate slab -> rcu -> debug_object -> slab
lockdep: Fix up warning
lockdep: Fix trace_hardirqs_on_caller()
futex: Fix regression with read only mappings
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
dmaengine: use DEFINE_IDR for static initialization
ioat: fix xor_idx_to_desc
Avoid section type conflict in dma/ioat/dma_v3.c
ioat: Adding PCI IDs for IOAT devices on SandyBridge platforms
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Commit a0bfa1373859e9d11dc92561a8667588803e42d8 mispells
cpuidle_idle_call() on ARM and SH code. Fix this to be consistent.
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: x86@kernel.org
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: David Brown <davidb@codeaurora.org>
[ Also done by Mark Brown - th ebug has been around forever, and was
noticed in -next, but the idle tree never picked it up. Bad bad bad ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The spec says this takes uint32 for attributes, not uintn.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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In the general raid-group case the truncate was wrong in that
it did not also fix the object length of the neighboring groups.
There are two bad cases in the old code:
1. Space that should be freed was not.
2. If a file That was big is truncated small, then made bigger
again, the holes would not contain zeros but could expose old data.
(If the growing of the file expands to more than a full
groups cycle + group size (> S + T))
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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Small cleanup that unifies duplicated code used in both the
error and success cases
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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Since the beginning we realloced the sbi structure when a bigger
then one device table was specified. (I know that was really stupid).
Then much later when "register bdi" was added (By Jens) it was
registering the pointer to sbi->bdi before the realloc.
We never saw this problem because up till now the realloc did not
do anything since the device table was small enough to fit in the
original allocation. But once we starting testing with large device
tables (Bigger then 28) we noticed the crash of writeback operating
on a deallocated pointer.
* Avoid the all mess by allocating the device-table as a second array
and get rid of the variable-sized structure and the rest of this
mess.
* Take the chance to clean near by structures and comments.
* Add a needed dprint on startup to indicate the loaded layout.
* Also move the bdi registration to the very end because it will
only fail in a low memory, which will probably fail before hand.
There are many more likely causes to not load before that. This
way the error handling is made simpler. (Just doing this would be
enough to fix the BUG)
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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Now that pnfs-osd has hit mainline we can remove exofs's
private header. (And the FIXME comment)
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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exofs file system wants to use pnfs_osd_xdr.h file instead of
redefining pnfs-objects types in it's private "pnfs.h" headr.
Before we do the switch we must make sure pnfs_osd_xdr.h is
compilable also under NFS versions smaller than 4.1. Since now
it is needed regardless of version, by the exofs code.
nfs4_string is not the only nfs4 type out in the global scope.
Ack-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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WARN message should not complain
"Failed to release memory %lx-%lx err=%d\n"
^^^^^^^
about range when it fails to release just one page,
instead it should say what pfn is not freed.
In addition line:
printk(KERN_INFO "xen_release_chunk: looking at area pfn %lx-%lx: "
...
printk(KERN_CONT "%lu pages freed\n", len);
will be broken if WARN in between this line is fired. So fix it
by using a single printk for this.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Use correct format specifier for unsigned long.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Apparently we wanted CONFIG_FTRACE rather the CONFIG_FUNCTION_TRACER.
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6:
Revert "dt: add of_alias_scan and of_alias_get_id"
dt: remove of_alias_get_id() reference
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
[PARISC] wire up sendmmsg syscall
[PARISC] fix return type of __atomic64_add_return
[PARISC] Fix futex support
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] signal: use set_restore_sigmask() helper
[S390] smp: remove pointless comments in startup_secondary()
[S390] qdio: Use kstrtoul_from_user
[S390] sclp_async: Use kstrtoul_from_user
[S390] exec: remove redundant set_fs(USER_DS)
[S390] cpu hotplug: on cpu start wait until being marked active
[S390] signal: convert to use set_current_blocked()
[S390] asm offsets: fix coding style
[S390] Add support for IBM zEnterprise 114
[S390] dasd: check if raw track access is supported
[S390] Use diagnose 308 for system reset
[S390] Export store_status() function
[S390] dasd: use vmalloc for statistics input buffer
[S390] Add PSW restart shutdown trigger
[S390] missing return in page_table_alloc_pgste
[S390] qdio: 2nd stage retry on SIGA-W busy conditions
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While `pci_eisa_driver' still refer `pci_eisa_init', the .probe() function
should not be called after init memory release, as pointed out by commit
74b9a297. The structure is still referenced in the drivers subsystem, and can
be accesseed through sysfs, so the modpost warning is a false positive. Mark
it as such.
In the same time, the warning referenced in 005bdad7b80 did only mention
`pci_eisa_driver', not `pci_eisa_pci_tbl', so remove its marking.
Broken-by: Arnaud Lacombe <lacombar@gmail.com> (in 005bdad7b80)
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus
for a DVI connector that is not implemented/existent on the board.
Fix by applying extented DDC probing for this connector.
Requires [PATCH] drm/radeon: Extended DDC Probing for Connectors
with Improperly Wired DDC Lines
Tested for kernel 2.6.38 on Asus ECS A740GM-M board
BugLink: http://bugs.launchpad.net/bugs/810926
Cc: <stable@kernel.org>
Signed-off-by: Thomas Reim <reimth@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Stephen Michaels <Stephen.Micheals@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Log PCI subsystem vendor and subsystem device ID in addition to
PCI vendor and device ID during kernel mode initialisation. This helps
to better identify radeon devices of third-party vendors, e. g. for
bug analysis.
Tested for kernel 2.6.35, 2.6.38 and 3.0 on Asus M2A-VM HDMI board
Cc: <stable@kernel.org>
Signed-off-by: Thomas Reim <reimth@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Stephen Michaels <Stephen.Micheals@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Lines (here: Asus M2A-VM HDMI)
Some integrated ATI Radeon chipset implementations with add-on HDMI card
(e. g. Asus M2A-VM HDMI) indicate the availability of a DDC even
when the add-on card is not plugged in or HDMI is disabled in BIOS setup.
In this case, drm_get_edid() and drm_edid_block_valid() periodically
dump data and kernel errors into system log files and onto terminals.
For these connectors DDC probing is extended by a check for a correct
EDID header. Only in case a valid EDID header is also found, the
(HDMI or DVI) connector will be used by the Radeon driver. This prevents
the kernel driver from useless flooding of logs and terminal sessions with
EDID dumps and error messages.
This patch adds a flag 'requires_extended_probe' to the radeon_connector
structure. In function radeon_connector_needs_extended_probe() this flag
can be set on a chipset family/vendor/connector type specific basis.
In addition, function radeon_ddc_probe() has been adapted to perform
extended DDC probing if required by the connector's flag.
Requires function drm_edid_header_is_valid() in DRM module provided by
[PATCH] drm: Separate EDID Header Check from EDID Block Check.
Tested for kernel 2.6.35, 2.6.38 and 3.0 on Asus M2A-VM HDMI board
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=668196
BugLink: http://bugs.launchpad.net/bugs/7228066
Cc: <stable@kernel.org>
Signed-off-by: Thomas Reim <reimth@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Stephen Michaels <Stephen.Micheals@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Provides function drm_edid_header_is_valid() for EDID header check
and replaces EDID header check part of function drm_edid_block_valid()
by a call of drm_edid_header_is_valid().
This is a prerequisite to extend DDC probing, e. g. in function
radeon_ddc_probe() for Radeon devices, by a central EDID header check.
Tested for kernel 2.6.35, 2.6.38 and 3.0
Cc: <stable@kernel.org>
Signed-off-by: Thomas Reim <reimth@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Stephen Michaels <Stephen.Micheals@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The struct drm_driver has some function pointers for irq. They are
gpu specific and some functions aren't essential things. This can
prevents creation of unnecessary dummy function for irq.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The registered irq should be unregistered by free_irq() if
irq_postinstall() returns the error after request_irq() is called
successfully.
[airlied: add vga switcheroo disable]
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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kzalloc() can return NULL, so I added check for it
Signed-off-by: Bojan Prtvar <prtvar.b@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reg header files are generated so they are not cleaned automagically.
They need to be added to the clean-files list.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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[airlied: move char declaration]
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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ssh://master.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6 into drm-fixes
* 'drm-intel-next' of ssh://master.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6: (42 commits)
drm/i915: allow cache sharing policy control
drm/i915/hdmi: HDMI source product description infoframe support
drm/i915/hdmi: split infoframe setting from infoframe type code
drm: track CEA version number if present
drm/i915: Try enabling RC6 by default (again)
Revert "drm/i915/dp: Zero the DPCD data before connection probe"
drm/i915/dp: wait for previous AUX channel activity to clear
drm/i915: don't use uninitialized EDID bpc values when picking pipe bpp
drm/i915/pch: Save/restore PCH_PORT_HOTPLUG across suspend
drm/i915: apply phase pointer override on SNB+ too
drm/i915: Add quirk to disable SSC on Sony Vaio Y2
drm/i915: provide more error output when mode sets fail
drm/i915: add GPU max frequency control file
i915: add Dell OptiPlex FX170 to intel_no_lvds
drm/i915: Ignore GPU wedged errors while pinning scanout buffers
drm/i915/hdmi: send AVI info frames on ILK+ as well
drm/i915: fix CB tuning check for ILK+
drm/i915: Flush other plane register writes
drm/i915: flush plane control changes on ILK+ as well
drm/i915: apply timing generator bug workaround on CPT and PPT
...
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The board has an lm63 compatible thermal chip, but no
thermal chip entry in the vbios tables.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=39513
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This off by one range check was copy and pasted a couple places.
It's not really harmful, but we should fix it anyway.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Compute cs support was actually added in 2.11.0 rather than
2.10.0, but the patch was written prior. Update comment
to match.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fix pointer to setup_link for 82599.
This resolves some link issues when advertising modes unsupported
by the link partner.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The way __ixgbe_notify_dca() was currently set up it would not be
possible to add a requester. Both cases of the IXGBE_FLAG_DCA_ENABLED
bit being on and off would lead to the function exiting for a
DCA_PROVIDER_ADD.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes a problem where WOL would fail on second port of i350
device.
Reported-by: Martin Wilck <martin.wilck@ts.fujitsu.com>
Reported-by: Stefan Assmann<sassmann@redhat.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The recent commit a6b7a407 when back-ported to the out-of-tree e1000e
driver caused a compilation error on older kernels which required a
re-ordering of the #include files. This cosmetic patch syncs the two
drivers for easier maintainability.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The array shadow_ram is never NULL.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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after review of all intel drivers, found several instances where
drivers had the incorrect pattern of:
memory mapped write();
delay();
which should always be:
memory mapped write();
write flush(); /* aka memory mapped read */
delay();
explanation:
The reason for including the flush is that writes can be held
(posted) in PCI/PCIe bridges, but the read always has to complete
synchronously and therefore has to flush all pending writes to a
device. If a write is held and followed by a delay, the delay
means nothing because the write may not have reached hardware
(maybe even not until the next read)
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This reverts commit 750f463a749e28464151ad26938d11b07b1c43cb.
of_alias_* still needs work to be generalized for 'promtree' dt
platforms, and to no implicitly create entries for available ids.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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of_alias_get_id() is broken and being reverted. Remove the reference
to it and replace with a single incrementing id number.
There is no risk of regression here on the imx driver since the imx
change to use of_alias_get_id() is commit 22698aa2, "serial/imx: add
device tree probe support" which is new for v3.1, and it won't get
used unless CONFIG_OF is enabled and the board is booted using a
device tree. A single incrementing integer is sufficient for now.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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When TX underrun occurs, a cleanup is performed that marks all buffers
as used. As a side effect it also clears the wrap bit in the last
buffer. This patch will restore the wrap bit.
Signed-off-by: Tord Andersson <tord.andersson@endian.se>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a misusage of the struct usb_cdc_notification to pass arguments to the
usb_control_msg function. The usb_control_msg function expects host endian
arguments but usb_cdc_notification stores these values as little endian.
Now usb_control_msg is directly invoked with host endian values.
Signed-off-by: Giuseppe Scrivano <giuseppe@southpole.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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