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md raidX make_request functions strip off the BIO_RW_SYNC flag, thus
introducing additional latency.
Fixing this in raid1 and raid10 seems to be straightforward enough.
For our particular usage case in DRBD, passing this flag improved some
initialization time from ~5 minutes to ~5 seconds.
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Lars Ellenberg <lars@linbit.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This fixes the SH rtc driver to
(a) correctly report 'enabled' status with other alarm status;
(b) not duplicate that status in its procfs dump
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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While testing 2.6.20-rc3 on a machine with some CK804 chipsets, we noticed
that quirk_nvidia_ck804_msi_ht_cap() was not detecting HT MSI capabilities
anymore. It is actually caused by the MSI mapping on the root chipset
being the 2nd HT capability in the chain. pci_find_ht_capability() does
not seem to find anything but the first HT cap correctly, because it
forgets to increment the position before looking for the next cap. The
following patch seems to fix it.
At least, this proves that having a ttl is good idea since the machine
would have been stucked in an infinite loop if we didn't have a ttl :)
We have to pass pos + PCI_CAP_LIST_NEXT to __pci_find_next_cap_ttl to
get the next HT cap instead of the same one again.
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew J. Gallatin <gallatin@myri.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6:
[PATCH] x86-64: Fix warnings in ia32_aout.c
[PATCH] i386: Convert some functions to __init to avoid MODPOST warnings
[PATCH] i386: Fix memory hotplug related MODPOST generated warning
[PATCH] x86-64: tighten up printks
[PATCH] x86-64: - Ignore long SMI interrupts in clock calibration
[PATCH] x86-64: pci quirks MODPOST warning fix
[PATCH] x86-64: Modpost whitelist reference to more symbols (pattern 3)
[PATCH] x86-64: modpost add more symbols to whitelist pattern2
[PATCH] i386: make apic probe function non-init
[PATCH] i386: cpu hotplug/smpboot misc MODPOST warning fixes
[PATCH] x86-64: Use different constraint for gcc < 4.1 in bitops.h
[PATCH] x86-64: Make noirqdebug_setup function non init to fix modpost warning
[PATCH] i386: Update defconfig
[PATCH] x86-64: Update defconfig
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o MODPOST generates warnings for i386 if kernel is compiled with
CONFIG_RELOCATABLE=y
WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between 'asus_hides_smbus_lpc_ich6' (at offset 0xc0217d58) and 'quirk_cardbus_legacy'
WARNING: vmlinux - Section mismatch: reference to .init.data: from .text between 'asus_hides_smbus_lpc' (at offset 0xc0217fd9) and 'pci_match_id'
o Two quirk functions which are non __init, are accessing data which is
of type __init.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
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o MODPOST generates warning for i386 if compiled with CONFIG_RELOCATABLE=y
and serial console support is enabled.
o Serial console setup function, serial8250_console_setup(), is a non __init
function and it calls functions which are of type __init().
(uart_parse_options() and uart_set_options()). Assuming, setup will
be called during init time, changing serial8250_console_setup() to __init.
o Adding one more pattern to modpost whitelist. Console drivers might
have *_console structures containing references to setup functions which
can be of __init type. Don't generate warnings for those.
WARNING: vmlinux - Section mismatch: reference to .init.text: from .data between 'serial8250_console' (at offset 0xc05a33d8) and 'serial8250_reg'
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: sbp2: fix probing of some DVD-ROM/RWs
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
MMC: at91 mmc linkage updates
ARM: OMAP: fix MMC workqueue changes
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Since commit 98e238cd42be6c0852da519303cf0182690f8d9f in Linux 2.6.19,
"ieee1394: sbp2: don't prefer MODE SENSE 10", some FireWire DVD-ROMs and
DVD-RWs were mistaken as CD-ROM because sr_mod now sent MODE SENSE 6.
The MMC command set includes only MODE SENSE 10.
http://bugzilla.kernel.org/show_bug.cgi?id=7800
This fix lets sbp2 switch scsi_device.use_10_for_rw on for MMC LUs.
This should rather be done in the command set driver sr_mod, not in the
sbp2 transport driver, and an according patch will follow for a next
Linux release.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
IB/mthca: Don't execute QUERY_QP firmware command for QP in RESET state
IB/ehca: Use proper GFP_ flags for get_zeroed_page()
IB/mthca: Fix PRM compliance problem in atomic-send completions
RDMA/ucma: Don't report events with invalid user context
RDMA/ucma: Fix struct ucma_event leak when backlog is full
RDMA/iwcm: iWARP connection timeouts shouldn't be reported as rejects
IB/iser: Return error code when PDUs may not be sent
IB/mthca: Fix off-by-one in FMR handling on memfree
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If a QP being queried is in the RESET state, don't execute the
QUERY_QP firmware command (because it will fail).
Signed-off-by: Dotan Barak <dotanb@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Here is a patch for ehca to use proper flag, ie. GFP_ATOMIC
resp. GFP_KERNEL, when calling get_zeroed_page() to prevent "Bug:
scheduling while atomic...". This error does not cause a kernel panic
but makes ipoib un-usable afterwards. It is reproducible on
2.6.20-rc4 if one does ifconfig down during a flood ping test. I have
not observed this error in earlier releases incl. 2.6.20-rc1.
This error occurs when a qp event/irq is received and ehca event
handler allocates a control block/page to obtain HCA error data block.
Use of GFP_ATOMIC when in interrupt context prevents this issue.
Signed-off-by Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[TCP]: Fix iov_len calculation in tcp_v4_send_ack().
[NETFILTER]: nf_conntrack_netbios_ns: fix uninitialized member in expectation
[TG3]: Add PHY workaround for 5755M.
[BNX2]: Update version and reldate.
[BNX2]: Fix bug in bnx2_nvram_write().
[BNX2]: Fix 5709 Serdes detection.
[BNX2]: Don't apply CRC PHY workaround to 5709.
NetLabel: correct CIPSO tag handling when adding new DOI definitions
NetLabel: correct locking in selinux_netlbl_socket_setsid()
[Bluetooth] Correct SCO buffer for Broadcom based Dell laptops
[Bluetooth] Correct SCO buffer for Broadcom based HP laptops
[Bluetooth] Correct SCO buffer size for another ThinkPad laptop
[Bluetooth] Handle device registration failures
[Bluetooth] Fix uninitialized return value for RFCOMM sendmsg()
[Bluetooth] More checks if DLC is still attached to the TTY
[Bluetooth] Add packet size checks for CAPI messages
[X25]: Trivial, SOCK_DEBUG's in x25_facilities missing newlines
[INET]: Fix incorrect "inet_sock->is_icsk" assignment.
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
pcnet_cs : add new id
chelsio: error path fix
s390: iucv Kconfig help description changes
s390: qeth driver fixes: atomic context fixups
s390: qeth driver fixes: packet socket
s390: qeth driver fixes: VLAN hdr, perf stats
forcedeth: sideband management fix
Revert "[PATCH] e1000: disable TSO on the 82544 with slab debugging"
qeth: fix uaccess handling and get rid of unused variable
qla3xxx: Add delay to NVRAM register access.
qla3xxx: Remove NETIF_F_LLTX from driver features.
ixgb: Write RA register high word first, increment version
ixgb: Maybe stop TX if not enough free descriptors
ixgb: Fix early TSO completion
[PATCH] ipw2100: Fix dropping fragmented small packet problem
[PATCH] ieee80211: WLAN_GET_SEQ_SEQ fix (select correct region)
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master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fix bugs in the hypervisor call stats code
[POWERPC] Fix corruption in hcall9
[POWERPC] iSeries: fix setup initcall
[POWERPC] iSeries: fix viopath initialisation
[POWERPC] iSeries: fix lpevents initialisation
[POWERPC] iSeries: fix proc/iSeries initialisation
[POWERPC] iSeries: fix mf proc initialisation
[POWERPC] disable PReP and EFIKA during make oldconfig
[POWERPC] Fix mpc52xx serial driver to work for arch/ppc again
[POWERPC] Don't include powerpc/sysdev/rom.o for arch/ppc builds
[POWERPC] Fix mpc52xx fdt to use correct device_type for sound devices
[POWERPC] 52xx: Don't use device_initcall to probe of_platform_bus
[POWERPC] Add legacy iSeries to ppc64_defconfig
[POWERPC] Update ppc64_defconfig
[POWERPC] Fix manual assembly WARN_ON() in enter_rtas().
[POWERPC] Avoid calling get_irq_server() with a real, not virtual irq.
[POWERPC] Fix unbalanced uses of of_node_put
[POWERPC] Fix bogus BUG_ON() in in hugetlb_get_unmapped_area()
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] locking problem with __cpcmd.
[S390] don't call handle_mm_fault() if in an atomic context.
[S390] Fix vmalloc area size calculation.
[S390] Fix cpu hotplug (missing 'online' attribute).
[S390] cio: use barrier() in stsch_reset.
[S390] memory detection misses 128k.
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The sis96x SMBus PCI device depends on two different quirks to run
in a specific order. Apart from being fragile, this was found to
actually break on (at least) recent FC4, FC5, and FC6 kernels. This
patch fixes the quirks so that they work without relying on the
compiler and/or linker to put them in any specific order.
http://lists.lm-sensors.org/pipermail/lm-sensors/2006-April/015962.html
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189719
I tested this patch.
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Adrian Bunk <bunk@stusta.de>
Cc: Greg K-H <greg@kroah.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Changeset 740b5706b9c4b3767f597b3ea76654c6f2a800b2 moved the protecting
spinlock from __cpcmd to cpcmd. Therefore vmcp can no longer use __cpcmd,
instead we have to use cpcmd.
Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use barrier() in stsch_reset() instead of duplicating the stsch()
inline assembly and adding "memory" to the clobberlist.
Pointed out by Chuck Ebbert.
Real fix would be to add a fixup section to the stsch() and extend the
basic program check handler so it searches the exception tables in case
of a program check.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Some PHY trim values need to be fine-tuned on 5755M to be
IEEE-compliant.
Update version to 3.72.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update version to 1.5.3.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bug was a bogus pointer being passed to kfree(). The pointer was
incremented in the write loop and then passed to kfree().
The fix is to use align_buf to save the original address.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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5709 has a new register to detect copper/fiber PHYs.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The workaround is only needed on 5706/5708 and cannot be applied on
5709.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SCO buffer size values on Dell laptops with a Bluetooth chip from
Broadcom are wrong. The USB Bluetooth driver has to set a quirk to
correct the SCO buffer size values.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The SCO buffer size values on HP laptops with a Bluetooth chip from
Broadcom are wrong. The USB Bluetooth driver has to set a quirk to
correct the SCO buffer size values.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The ThinkPad R60E uses a Broadcom based Bluetooth chip and even this
version needs the quirk to correct the SCO buffer size values.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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pcnet_cs: add new id.
corega K.K. (CG-LAPCCTXD)
Logitec LPM-LN10TE
Signed-off-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix handling of allocation failure.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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[PATCH 4/5] s390: iucv Kconfig help description changes
From: Ursula Braun <braunu@de.ibm.com>
remove text from help description which does not
apply anymore for 2.6 kernel series.
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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- qeth device functions were not callable
in atomic context due to usage of wait_event_xxx operations in qeth.
"schedule while atomic" message appeared and kernel dumped when
removing slave from bond device.
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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- packet socket support is not complete.
Recvfrom a packet socket does not fill the sockaddr_ll structure.
device function hard_header_parse is not implemented.
For layer 2 mode and layer 3 mode with fake_ll turned on, we have
the information to fill sockaddr_ll.
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: Ursula Braun <braunu@de.ibm.com>
- VLAN header reordering did not work on packets
received through qeth interface in layer 2 mode.
This caused dhcpcd not to work with VLAN devices.
- set qeth performance statistics initally inactive
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch contains a fix that implements proper communication with the
sideband management unit. Also, it makes sure that the speed is
correctly set for gigabit phys in the case where sideband mgmt unit
initialized the phy. Refer to bug #7684 for more details.
Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The mpc52xx_uart_of_enumerate() function was added when adding 52xx
support to arch/powerpc, but it must not be called for arch/ppc.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] Provide basic printk_clock() implementation
[ARM] Resolve fuse and direct-IO failures due to missing cache flushes
[ARM] pass vma for flush_anon_page()
[ARM] Fix potential MMCI bug
[ARM] Fix kernel-mode undefined instruction aborts
[ARM] 4082/1: iop3xx: fix iop33x gpio register offset
[ARM] 4070/1: arch/arm/kernel: fix warnings from missing includes
[ARM] 4079/1: iop: Update MAINTAINERS
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The MMCI driver might end up aborting the initial command and leaving
the data part of the command sequence still in place. Avoid this
problem by ensuring that any data sequence is properly cleared out
when a command completes.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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According to the Tavor and Arbel programmer's reference manuals, the
number of bytes transferred is not provided in the byte_cnt field of
the CQ entry for atomic operation completions. For atomic operations,
the number of bytes transferred is always 8 (when the status is
"success"), and this constant value should always be used by the
driver in the ib_wc entry returned, rather than using the CQE.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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There's a problem with how rdma cm events are reported to userspace
that can lead to application crashes.
When a new connection request arrives, a context for the connection is
allocated in the kernel. The connection event is then reported to
userspace. The userspace library retrieves the event and allocates
its own context for the connection. The userspace context is
associated with the kernel's context when accepting. This allows the
kernel to give userspace context with other events.
A problem occurs if a second event for the same connection occurs
before the user has had a chance to call accept. The userspace
context has not yet been set, which causes the librdmacm to crash.
(This has been seen when the app takes too long to call accept,
resulting in the remote side timing out and rejecting the connection)
Fix this by ignoring events for new connections until userspace has
set their context. This can only happen if an error occurs on a new
connection before the user accepts it. This is okay, since the accept
will just fail later.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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We discard new connection requests while the listen backlog is full,
but leak a struct ucma_event in the process. Free the structure in
this case.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The iWARP CM should report timeouts as event RDMA_CM_EVENT_UNREACHABLE,
not event RDMA_CM_EVENT_REJECTED.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This reverts commit 72f3ab7462f4e153d1e8ac78e379716ad71d6923, which was
superceded by commit 683a2aa339f607c8a422835161ceab68b2a5a18a
("e1000: Do not truncate TSO TCP header with 82544 workaround"), which
fixed the real problem.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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[patch] qeth: fix uaccess handling and get rid of unused variable
drivers/s390/net/qeth_main.c: In function `qeth_process_inbound_buffer':
drivers/s390/net/qeth_main.c:2563: warning: unused variable `vlan_addr'
include/asm/uaccess.h: In function `qeth_do_ioctl':
drivers/s390/net/qeth_main.c:4847: warning:
ignoring return value of `copy_to_user'
drivers/s390/net/qeth_main.c:4849: warning:
ignoring return value of `copy_to_user'
drivers/s390/net/qeth_main.c:4996: warning:
ignoring return value of `copy_to_user'
Cc: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
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When accessing the 93LC86 serial prom the clock high and low times must be at least 250ns each. We have seen on some systems where the access times were much lower casing bit errors.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Driver TX locking was removed some time ago, but the flag was overlooked.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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git://lost.foo-projects.org/~ahkok/git/netdev-2.6 into upstream-fixes
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iSER limits the number of outstanding PDUs to send. When this threshold
is reached, it should return an error code (-ENOBUFS) instead of setting
the suspend_tx bit (which should be used only by libiscsi).
Signed-off-by: Erez Zilber <erezz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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We need to disable the AV bit before flushing the low register.
Signed-off-by: <aaron.k.salter@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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A similar patch to commit 65c7973fa5b46b024f38be208aa477e8daf9a603
but now for ixgb.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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