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Don't clobber the firmware's internal state machine by setting
ENABLE_RSN more than once during the 4-way handshake. Check what
the ENABLE_RSN status is and only set if it should be changed.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fold into wlan_scan_networks() and protect with debug defines.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Make SN2 PCI code use ioremap rather than manually mangle the address
[IA64] Force error to surface in nofault code
[IA64] change sh_change_coherence oemcall to use nolock
[IA64] remove duplicate header include line
[IA64] Correct unwind validation code
[IA64] is_power_of_2-ia64/mm/hugetlbpage.c
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: kill ATA_HORKAGE_DMA_RW_ONLY
libata: use PIO for non-16 byte aligned ATAPI commands
libata: call ata_check_atapi_dma() with qc better prepared
libata: fix infinite EH waiting bug
libata: fix ata_dev_disable()
pata_it821x: fix section mismatch warning
libata: remove unused variable from ata_eh_reset()
libata: be less verbose about hpa
libata: kill non-sense warning message
libata: kill the infamous abnormal status message
HPT374 is UDMA100 not UDMA133
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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:
2.6.22: ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined!
cxgb3 - fix register to stop bc/mc traffic
au1000_eth: Fix warnings.
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This looks like leftover text in the kernel parameter in documentation.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds support for some of the XGI Volari family that are based on the
SiS.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If sky2 device poll routine is called from netpoll_send_skb, it would
deadlock. The netpoll_send_skb held the netif_tx_lock, and the poll
routine could acquire it to clean up skb's. Other drivers might use
same locking model.
The driver is correct, netpoll should not introduce more locking
problems than it causes already. So change the code to drop lock
before calling poll handler.
Signed-off-by: Stephen Hemminger <shemminger@linux.foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ATA_HORKAGE_DMA_RW_ONLY for TORiSAN is verified to be subset of using
DMA for ATAPI commands which aren't aligned to 16 bytes. As libata
now doesn't use DMA for unaligned ATAPI commands, the horkage is
redundant. Kill it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The IDE driver used DMA for ATAPI commands if READ/WRITE command is
multiple of sector size or sg command is multiple of 16 bytes. For
libata, READ/WRITE sector alignment is guaranteed by the high level
driver (sr), so we only have to worry about the 16 byte alignment.
This patch makes ata_check_atapi_dma() always request PIO for all data
transfer commands which are not multiple of 16 bytes.
The following reports are related to this problem.
http://bugzilla.kernel.org/show_bug.cgi?id=8605 (confirmed)
http://thread.gmane.org/gmane.linux.kernel/476620 (confirmed)
https://bugzilla.novell.com/show_bug.cgi?id=229260 (probably)
Albert first pointed out the difference between IDE and libata. Kudos
to him.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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In atapi_xlat(), prepare qc better before calling
ata_check_atapi_dma() such that ata_check_atapi_dma() can use info
from qc. While at it, reformat weird looking if/else block in the
function.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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When EH gives up after repeated exceptions, it doesn't't clear the
PENDING bit on exit which leaves PENDING bit set without EH actually
scheduled. This makes ata_port_wait_eh() to wait forever makes rmmod
hang on such port. Fix it by clearing the flag.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix silly condition check bug in ata_dev_disable().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix section mismatch when CONFIG_HOTPLUG=n (but functions are used
for resume):
WARNING: drivers/ata/pata_it821x.o(.text+0x3f): Section mismatch: reference to .init.text: (between 'it821x_reinit_one' and 'it821x_program_udma')
WARNING: drivers/ata/pata_it821x.o(.text+0x691): Section mismatch: reference to .init.text: (between 'it821x_init_one' and 'it821x_passthru_set_dmamode')
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Removed unused variable did_followup_srst from ata_eh_reset().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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There's no reason to print out hpa related messages when HPA is not
active. Kill the unconditional message and add a warning message
which is printed if HPA size is smaller than the current size.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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prereset() is now allowed to set flag for unsupported reset method.
EH layer is responsible for selecting the fallback. Remove non-sense
warning message.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The infamous abnormal status message triggers on not so abnormal cases
including empty port and even when it's being triggered on actual
errors the info it provides is redundant and out of context - higher
level functions will print the info in better safe later anyway.
Also, by being triggered all the time, it leads people to think that
the abnormality is somehow related to all ATA and system problems
they're experiencing and gives owners of healthy systems unfounded
doubts about the integrity of the universe. Make it a DPRINTK and
save the universe.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Propogate change from drivers/ide
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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On Tue, Jun 19, Stephen Hemminger wrote:
> Olaf Hering <olaf@aepfle.de> wrote:
> > What happend to __ucmpdi2 from David Woodhouse?
> > google has a few hits about stuff like this on 32bit powerpc with gcc 4.1.2:
> >
> > ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined!
> >
> > using the drivers/net/s2io* files from 2.6.21 with 2.6.22-rc5 fixes the
> > compile.
> >
> > 25805dcf9d83098cf5492117ad2669cd14cc9b24 adds two u64 >>= 48 followed by
> > a switch statement (line 2889 and 6816).
>
> Probably the "switch(err) {" needs a cast to a smaller type (like u8).
This change removes the compiler-generated calls to __ucmpdi2.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Use the right register to stop broadcast/multicast traffic.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fixed by including <linux/dma-mapping.h>:
CC drivers/net/au1000_eth.o
drivers/net/au1000_eth.c: In function 'au1000_probe':
drivers/net/au1000_eth.c:661: warning: implicit declaration of function 'dma_alloc_noncoherent'
drivers/net/au1000_eth.c:802: warning: implicit declaration of function 'dma_free_noncoherent'
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Force irq migration path during cpu offline, is not using proper locks and
irq_chip mask/unmask routines. This will result in some races(especially
the device generating the interrupt can see some inconsistent state,
resulting in issues like stuck irq,..).
Appended patch fixes the issue by taking proper lock and encapsulating
irq_chip set_affinity() with a mask() before and an unmask() after.
This fixes a MSI irq stuck issue reported by Darrick Wong.
There are several more general bugs in this area(irq migration in the
process context). For example,
1. Possibility of missing edge triggered irq.
2. Reliable method of migrating level triggered irq in the process context.
We plan to look and close these in the near future.
Eric says:
In addition even with the fix from Suresh there is still at least one
nasty hardware race in fixup_irqs(). However we exercise that code
path rarely enough that we are unlikely to hit it in the real world,
and that race seems to have existed since the code was merged. And a
fix for that is not coming soon as it is an open investigation area
if we can fix irq migration to work outside of irq context or if
we have to rework the requirements imposed by the generic cpu hotplug
and layer on fixup_irqs(). So this may come up again.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Reported-and-tested-by: Darrick Wong <djwong@us.ibm.com>
Cc: Andi Kleen <ak@suse.de>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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set the irq_chip name for lapic.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4449/1: more entries in arch/arm/boot/.gitignore
[ARM] 4452/1: Force the literal pool dump before reloc_end
[ARM] Update show_regs/oops register format
[ARM] Add support for pause_on_oops and display preempt/smp options
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Count timer interrupts correctly.
[MIPS] SMTC and non-SMTC kernel and modules are incompatible
[MIPS] EMMA2RH: Disable GEN_RTC, it can't possibly work.
[MIPS] Remove a duplicated local variable in test_and_clear_bit()
[MIPS] use compat_siginfo in rt_sigframe_n32
[MIPS] 20K: Handle WAIT related bugs according to errata information
[MIPS] AP/SP requires shadow registers, auto enable support.
[MIPS] Fix pb1500 reg B access
[MIPS] Alchemy: Fix wrong cast
[MIPS] remove "support for" from system type entry
[MIPS] add io_map_base to pci_controller on Cobalt
[MIPS] __ucmpdi2 arguments are unsigned long long.
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fix subtle FP state corruption bug in signal return on SMP
[POWERPC] Fix VDSO gettimeofday() when called with NULL struct timeval
[POWERPC] Update defconfigs
[POWERPC] Update g5_defconfig
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: ftdio_sio: New IPlus device ID
USB: add new device id to option driver
USB: fix race leading to use after free in io_edgeport
USB: usblcd doesn't limit memory consumption during write
USB: memory leak in iowarrior.c
USB: ti serial driver sleeps with spinlock held
USB: g_file_storage: call allow_signal()
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This one changes the SN2 specific PCI drivers to use ioremap() for
obtaining the real address to access for the PCI registers instead of
manually calculating them with __IA64_UNCACHED_OFFSET.
The patch should have no real change when running on a normal Linux
kernel, but when running as a paravirtualized it is needed.
Signed-off-by: Jes Sorenson <jes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Montecito behaves slightly differently than previous processors,
resulting in the MCA due to a failed PIO read to sometimes surfacing
outside the nofault code. Adding an additional or and stop bits
ensures the MCA surfaces in the nofault code.
Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Change sn_change_coherence's ia64_sal_oemcall to the nolock variety since
PROM does the locking for this function internally.
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Remove duplicate header include line from arch/ia64/kernel/time.c.
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Both rp_loc and pfs_loc can be in the register stack area _or_ they can
be in the memory stack area, the latter occurs when a struct pt_regs is
pushed. Correct the validation check on these fields to check for both
stack areas. Not allowing for memory stack locations means no
backtrace past ia64_leave_kernel, or any other code that uses
PT_REGS_UNWIND_INFO.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Replacing (n & (n-1)) in the context of power of 2 checks
with is_power_of_2
Signed-off-by: vignesh babu <vignesh.babu@wipro.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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So don't allow mixing.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Neither rtc_mips_get_time nor rtc_mips_set_time are being initialized by
the EMMA2RH setup code, so genrtc at best was a RTC dummy avoiding a few
error messages but not providing actual functionality.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Fix a sparse warning caused by 2c921d07f8c641e691b0dfd80a5cfe14c60ec489
include2/asm/bitops.h:313:23: warning: symbol 'res' shadows an earlier one
include2/asm/bitops.h:309:16: originally declared here
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Pavel Kiryukhin <vksavl@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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We used to avoid the WAIT entirely on the 20K but really only need to do
this on early revs of the 20K. Without this a 20K was a bit of a
power hog. Well, in the lower power power hog category ;-)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Noticed by Chris Dearman (chris@mips.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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au_readl() is correct here.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Reported by Eugene Surovegin <ebs@ebshome.net>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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sctp_sock_migrate() grabs the socket lock on a newly allocated socket while
holding the socket lock on an old socket. lockdep worries that this might
be a recursive lock attempt.
task/3026 is trying to acquire lock:
(sk_lock-AF_INET){--..}, at: [<ffffffff88105b8c>] sctp_sock_migrate+0x2e3/0x327 [sctp]
but task is already holding lock:
(sk_lock-AF_INET){--..}, at: [<ffffffff8810891f>] sctp_accept+0xdf/0x1e3 [sctp]
This patch tells lockdep that this locking is safe by using
lock_sock_nested().
Signed-off-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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This fixes hypervisor console interrupts on LDOM guests.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We were doing the wrong call to turn them on, and also
when enabling we need to forcefully set the state to IDLE.
Signed-off-by: David S. Miller <davem@davemloft.net>
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