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Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Commit a0d092f introduced the following warning:
ipc/msg.c: In function ?msgctl_down?:
ipc/msg.c:415: warning: ?msqid64? may be used uninitialized in this function
The gcc warning in this case is actually bogus, as msqid64 is touched only
iff cmd == IPC_SET, and in such case, copy_msqid_from_user() initializes
it properly.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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invalidate_inode_pages2() returns -EBUSY *NOT* -EIO if any pages could not be
invalidated.
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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fix some typos and punctuation in comments
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The correct word is handshake.
Signed-off-by: Ozan Çağlayan <ozan@pardus.org.tr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Cleanup the documentation about the supported chipsets.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add the Intel Ibex Peak (PCH) Device IDs to iTCO_wdt.c.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add support for CPU frequency scaling to the S3C24XX Watchdog
driver.
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Currently, linux-next breaks due to a typo introduced in commit
33c4d91928bea4444b067e620496befbeb87029c
This patch fixes it.
Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Cc: Valentin Longchamp <valentin.longchamp@epfl.ch>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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cfq_arm_slice_timer() has logic to disable idle window for SSD device. The same
thing should be done at cfq_select_queue() too, otherwise we will still see
idle window. This makes the nonrot check logic consistent in cfq.
Tests in a intel SSD with low_latency knob close, below patch can triple disk
thoughput for muti-thread sequential read.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The symbols aren't declared and don't need to be exported, they go
along with the device structure.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
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This renames from a character / to : of controls. A / occurs below error
messages.
ASoC: Failed to create IN2RP/VXRP debugfs file
ASoC: Failed to create IN2LP/VXRN debugfs file
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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It's currently not an allowed configuration, so express that in Kconfig.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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They should not be declared inside some other file that's not related
to CFQ.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This patch updates the romImage code to include the
empty_zero_page contents from vmlinux. Without this
patch the empty zero page is lef uninitialized.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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DMI tables use considerable amount of memory. Mark them as __initconst
so they will be discarded once module is loaded.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Now that associative cache writes are no longer needed by the SH-4/SH-4A
cache flush code, associative write support can be explicitly disabled
for all SH-4A parts. This makes any associative write throw an exception,
as this behaviour can not be assumed to exist on future parts.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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When flushing/invalidating the icache/dcache via the memory-mapped IC/OC
address arrays, the associative bit should only be used in conjunction with
virtual addresses. However, we currently flush cache lines based on physical
address, so stop using the associative bit.
It is a better strategy to use non-associative writes (and physical tags) for
flushing the caches anyway, because flushing by virtual address (as with the
A-bit set) requires a valid TLB entry for that virtual address. If one does not
exist in the TLB no exception is generated and the flush is silently ignored.
This is also future-proofing for SH-4A parts which are gradually phasing out
associative writes to the cache array due to the aforementioned case of certain
flushes silently turning in to nops.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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These still require more testing, so revert them for now. We keep the
off-by-1 in the fixmap colouring and drop the rest.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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ubiupdatevol -t does the following:
- ubi_start_update()
- set_update_marker()
- for all LEBs ubi_eba_unmap_leb()
- clear_update_marker()
- ubi_wl_flush()
ubi_wl_flush() physically erases all PEB, once it returns all PEBs are
empty. clear_update_marker() has the update marker written after return.
If there is a power cut between the last two functions then the UBI
volume has no longer the "update" marker set and may have some valid
LEBs while some of them may be gone.
If that volume in question happens to be a UBIFS volume, then mount
will fail with
|UBIFS error (pid 1361): ubifs_read_node: bad node type (255 but expected 6)
|UBIFS error (pid 1361): ubifs_read_node: bad node at LEB 0:0
|Not a node, first 24 bytes:
|00000000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
if there is at least one valid LEB and the wear-leveling worker managed
to clear LEB 0.
The patch waits for the wl worker to finish prior clearing the "update"
marker on flash. The two new LEB which are scheduled for erasing after
clear_update_marker() should not matter because they are only visible to
UBI.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: stable@kernel.org
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch updates the Runtime PM code for SuperH Mobile
to allow drivers to have NULL as pm or callback value.
With this in place there is no need for no-op functions.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The setting of VPU need not be changed from default.
And current setting value is not defined on SH7724
Reported-by: Goda Yusuke <goda.yusuke@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Drive ability for LCDC become high for safety,
became there is strange individual specificity board in mass production
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Fix one-off VEU3F size error for sh7724.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Currently serial ports on SH CPUs get disabled too early, because the
sci_tx_empty() routine claims to not be able to detect whether the
transmission has been completed and just always returns TIOCSER_TEMT. This
results in corrupt output of last characters if the port is not open for
reading at the same time. It is however possible to detect whether
transmission has been completed. Use the TEND bit of the status register
for this.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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export the clk_* stubs defined in arch/m68knommu/platform/coldfire/clk.c so
they can be used by modules.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@goober.(none)>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The "BSS" define name now used in asm-generic/vmlinux.lds.h
(introduced in commit ef53dae8658cf0e93d380983824a661067948d87)
clashes with the internal "BSS" define in the m68knommu vmlinux.lds.S
linker script. So rename it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Add a task_pt_regs() macro as per the CONFIG_UTRACE requirements.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Towards adding CONFIG_UTRACE support for non-mmu m68k add
arch_has_single_step, and its support functions user_enable_single_step()
and user_disable_single_step().
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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This patch adds m68knommu support for getting the kernel command line
arguments from uboot, including the passing of an initrd image from uboot.
We use this on a 5270/5271 based board, and have used it on the 5271evb
development board. It is based on a patch found in the linux-2.6-denx
git tree, although that tree seems to have had lots of other changes
since which are not in the main Linus kernel. I believe this will work
on all coldfires, although other m68knommu might be missing the _init_sp
stuff in head.S as far as I can tell. I only have the coldfire to
test on.
Signed-off-by: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Pin 0 of the EPORT is not connected on the 523x, 5271, 5275 and 528x and the
TIMER on the 523x has 8 pins, not 4.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The function mcf_remove is used only wrapped by __devexit_p so define it
using __devexit.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Len Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alan Cox <alan@linux.intel.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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In Xen-paravirt mode, VM_IO flag signifies that the page frame number (PFN)
is actually a machine frame number (MFN). This is correct for memory backed by
PCI devices, but wrong for memory allocated from System RAM where the PFN
!= MFN.
During page faults, pages with VM_IO, get assigned to special domain I/O
domain and as said, the PFN is interpreted as MFN. When Xen hypervisor
modifies the PTE it interprets the PFN as the MFN, complains and
fails the PTE modification.
The end result is an infinitive page fault in the domain.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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The framebuffers (screenbase) these drivers present are actually
vmalloc-ed pages. There is no need for them to have the VM_IO flag set.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
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Most users (except sh_mobile_lcdcfb.c) get their framebuffer from
vmalloc. Setting VM_IO is not necessary as the memory obtained
from vmalloc is System RAM type and is not susceptible to PCI memory
constraints.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com>
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After TCP RCU conversion, tw->tw_refcnt should not be set to 1 in
inet_twsk_alloc(). It allows a RCU reader to get this timewait socket,
while we not yet stabilized it.
Only choice we have is to set tw_refcnt to 0 in inet_twsk_alloc(),
then atomic_add() it later, once everything is done.
Location of this atomic_add() is tricky, because we dont want another
writer to find this timewait in ehash, while tw_refcnt is still zero !
Thanks to Kapil Dakhane tests and reports.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Its currently possible that several threads issuing a connect() find
the same timewait socket and try to reuse it, leading to list
corruptions.
Condition for bug is that these threads bound their socket on same
address/port of to-be-find timewait socket, and connected to same
target. (SO_REUSEADDR needed)
To fix this problem, we could unhash timewait socket while holding
ehash lock, to make sure lookups/changes will be serialized. Only
first thread finds the timewait socket, other ones find the
established socket and return an EADDRNOTAVAIL error.
This second version takes into account Evgeniy's review and makes sure
inet_twsk_put() is called outside of locked sections.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for ethtool selftest.
From: Suresh R <sureshr@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both netlink and /proc/net/tcp interfaces can report transient
negative values for rx queue.
ss ->
State Recv-Q Send-Q Local Address:Port Peer Address:Port
ESTAB -6 6 127.0.0.1:45956 127.0.0.1:3333
netstat ->
tcp 4294967290 6 127.0.0.1:37784 127.0.0.1:3333 ESTABLISHED
This is because we dont lock socket while computing
tp->rcv_nxt - tp->copied_seq,
and another CPU can update copied_seq before rcv_next in RX path.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes the NULL pointer dereference Oops in the ks8851 snl network
driver during transmission. All socket buffers from the queue are
processed inside the loop, but new workqueues have been scheduled to
run.
Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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