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Allow the use of UD QPs through the rdma_cm, in order to provide
address translation services for resolving IB addresses for datagram
messages using SIDR.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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During connection establishment, the passive side of a connection can
receive messages from the active side before the connection event has
been delivered to the user. Allow the passive side to send messages
in response to received data before the event is delivered. To handle
the case where the connection messages are lost, a new rdma_notify()
function is added that users may invoke to force a connection into the
established state.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Connection information was never given to the recipient of a
connection request or reply message. Only the event was delivered.
Report the connection data with the event to allows user to
reject the connection based on the requested parameters, or adjust
their resources to match the request.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The qp_type parameter into the rdma_cm is unneeded, and can be
misleading. The QP type should be determined from the port space.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Commit 51f65ebc ("IB/ipath - program intconfig register using new HT
irq hook"), which fixed interrupts for HyperTransport HCAs, broke PCI
Express HCAs, because for those HCAs, the driver uses the value of
pdev->irq before pci_enable_msi() and ends up getting a totally bogus
IRQ number. Fix this by using the value of pdev->irq after
pci_enable_msi().
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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vq_req is leaked in error cases.
Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Remove variables that are set but then never looked at in the iSER
initiator. These cleanups came from David Binderman's list of "set
but never used" warnings from icc.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Remove variables that are set but then never looked at in the ipath
driver. These cleanups came from David Binderman's list of "set but
never used" warnings from icc.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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ib_flush_fmr_pool() stashes away the request generation number
properly, but then goes ahead and rereads it every time it tests
whether the flush generation number has caught up. This means that
there is a theoretical possibility of livelock, if the request
generation number keeps getting bumped and the flush generation number
never catches up. The fix is simple: use the request generation
number read at the beginning of the function.
Also, atomic_inc() followed by atomic_read() can be replaced with
atomic_int_return(). There's no real requirement for atomicity here
but we might as well shrink the code.
This bug was discovered using David Binderman's list of "set but never
used" warnings from icc.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Commit 2d4ba4a3b9aef95d328d74a17ae84f8d658059e2 introduced a dependency
that was never meant to exist when the ac97_bus.c module was created.
Move ac97_bus.c up the directory hierarchy to make sure it is built when
selected even if sound is configured out so things work as originally
intended.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
[patch 3/3] OCFS2 Configurable timeouts - Protocol changes
[patch 2/3] OCFS2 Configurable timeouts
[patch 1/3] OCFS2 - Expose struct o2nm_cluster
ocfs2: Synchronize feature incompat flags in ocfs2_fs.h
ocfs2: update mount option documentation
ocfs2: local mounts
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* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c: Fix OMAP clock prescaler to match the comment
i2c: Refactor a kfree in i2c-dev
i2c: Fix return value check in i2c-dev
i2c: Enable PEC on more i2c-i801 devices
i2c: Discard the i2c algo del_bus wrappers
i2c: New ARM Versatile/Realview bus driver
i2c: fix broken ds1337 initialization
i2c: i2c-i801 documentation update
i2c: Use the __ATTR macro where possible
i2c: Whitespace cleanups
i2c: Use put_user instead of copy_to_user where possible
i2c: New Atmel AT91 bus driver
i2c: Add support for nested i2c bus locking
i2c: Cleanups to the i2c-nforce2 bus driver
i2c: Add request/release_mem_region to i2c-ibm_iic bus driver
i2c: New Philips PNX bus driver
i2c: Delete the broken i2c-ite bus driver
i2c: Update the list of driver IDs
i2c: Fix documentation typos
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current -git doesnt boot on my laptop due to netpoll not unlocking the
tx lock in the else branch.
booted this up on my laptop with lockdep enabled and there are no
locking complaints and it works fine.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (29 commits)
sh: Fixup SH-2 BUG() trap handling.
sh: Use early_param() for earlyprintk parsing.
sh: Fix .empty_zero_page alignment for PAGE_SIZE > 4096.
sh: Fixup .data.page_aligned.
sh: Hook up SH7722 scif ipr interrupts.
sh: Fixup sh_bios() trap handling.
sh: SH-MobileR SH7722 CPU support.
sh: Fixup dma_cache_sync() callers.
sh: Convert remaining remap_area_pages() users to ioremap_page_range().
sh: Fixup kernel_execve() for syscall cleanups.
sh: Fix get_wchan().
sh: BUG() handling through trapa vector.
rtc: rtc-sh: alarm support.
rtc: rtc-sh: fix rtc for out-by-one for the month.
sh: Kill off unused SE7619 I/O ops.
serial: sh-sci: Shut up various sci_rxd_in() gcc4 warnings.
sh: Split out atomic ops logically.
sh: Fix Solution Engine 7619 build.
sh: Trivial build fixes for SH-2 support.
sh: IPR IRQ updates for SH7619/SH7206.
...
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fix deadlock in the 8139too driver: poll handlers should never forcibly
enable local interrupts, because they might be used by netpoll/printk
from IRQ context.
=================================
[ INFO: inconsistent lock state ]
2.6.19 #11
---------------------------------
inconsistent {softirq-on-W} -> {in-softirq-W} usage.
swapper/1 [HC0[0]:SC1[1]:HE1:SE0] takes:
(&npinfo->poll_lock){-+..}, at: [<c0350a41>] net_rx_action+0x64/0x1de
{softirq-on-W} state was registered at:
[<c0134c86>] mark_lock+0x5b/0x39c
[<c0135012>] mark_held_locks+0x4b/0x68
[<c01351e9>] trace_hardirqs_on+0x115/0x139
[<c02879e6>] rtl8139_poll+0x3d7/0x3f4
[<c035c85d>] netpoll_poll+0x82/0x32f
[<c035c775>] netpoll_send_skb+0xc9/0x12f
[<c035cdcc>] netpoll_send_udp+0x253/0x25b
[<c0288463>] write_msg+0x40/0x65
[<c011cead>] __call_console_drivers+0x45/0x51
[<c011cf16>] _call_console_drivers+0x5d/0x61
[<c011d4fb>] release_console_sem+0x11f/0x1d8
[<c011d7d7>] register_console+0x1ac/0x1b3
[<c02883f8>] init_netconsole+0x55/0x67
[<c010040c>] init+0x9a/0x24e
[<c01049cf>] kernel_thread_helper+0x7/0x10
[<ffffffff>] 0xffffffff
irq event stamp: 819992
hardirqs last enabled at (819992): [<c0350a16>] net_rx_action+0x39/0x1de
hardirqs last disabled at (819991): [<c0350b1e>] net_rx_action+0x141/0x1de
softirqs last enabled at (817552): [<c01214e4>] __do_softirq+0xa3/0xa8
softirqs last disabled at (819987): [<c0106051>] do_softirq+0x5b/0xc9
other info that might help us debug this:
no locks held by swapper/1.
stack backtrace:
[<c0104d88>] dump_trace+0x63/0x1e8
[<c0104f26>] show_trace_log_lvl+0x19/0x2e
[<c010532d>] show_trace+0x12/0x14
[<c0105343>] dump_stack+0x14/0x16
[<c0134980>] print_usage_bug+0x23c/0x246
[<c0134d33>] mark_lock+0x108/0x39c
[<c01356a7>] __lock_acquire+0x361/0x9ed
[<c0136018>] lock_acquire+0x56/0x72
[<c03aff1f>] _spin_lock+0x35/0x42
[<c0350a41>] net_rx_action+0x64/0x1de
[<c0121493>] __do_softirq+0x52/0xa8
[<c0106051>] do_softirq+0x5b/0xc9
[<c0121338>] irq_exit+0x3c/0x48
[<c0106163>] do_IRQ+0xa4/0xbd
[<c01047c6>] common_interrupt+0x2e/0x34
[<c011db92>] vprintk+0x2c0/0x309
[<c011dbf6>] printk+0x1b/0x1d
[<c01003f2>] init+0x80/0x24e
[<c01049cf>] kernel_thread_helper+0x7/0x10
=======================
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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seqlock_init() needs to use spin_lock_init() for dynamic locks, so that
lockdep is notified about the presence of a new lock.
(this is a fallout of the recent networking merge, which started using
the so-far unused seqlock_init() API.)
This fix solves the following lockdep-internal warning on current -git:
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
__lock_acquire+0x10c/0x9f9
lock_acquire+0x56/0x72
_spin_lock+0x35/0x42
neigh_destroy+0x9d/0x12e
neigh_periodic_timer+0x10a/0x15c
run_timer_softirq+0x126/0x18e
__do_softirq+0x6b/0xe6
do_softirq+0x64/0xd2
ksoftirqd+0x82/0x138
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
V4L/DVB (4954): Fix: On ia64, i2c adap->inb/adap->outb are wrongly evaluated
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git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6:
JFS: Fix conflicting superblock flags
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i2c defines two callbacks (inb/outb). On ia64, since it defines also two macros
with those names, it causes the following errors:
drivers/media/video/usbvision/usbvision-i2c.c:64:39: macro "outb" passed 4 arguments, but takes just 2
drivers/media/video/usbvision/usbvision-i2c.c: In function `try_write_address':
drivers/media/video/usbvision/usbvision-i2c.c:64: warning: assignment makes integer from pointer without a cast
drivers/media/video/usbvision/usbvision-i2c.c:89:38: macro "inb" passed 4 arguments, but takes just 1
drivers/media/video/usbvision/usbvision-i2c.c: In function `try_read_address':
drivers/media/video/usbvision/usbvision-i2c.c:89: warning: assignment makes integer from pointer without a cast
drivers/media/video/usbvision/usbvision-i2c.c:85: warning: unused variable `buf'
drivers/media/video/usbvision/usbvision-i2c.c:173:53: macro "inb" passed 4 arguments, but takes just 1
drivers/media/video/usbvision/usbvision-i2c.c: In function `usb_xfer':
drivers/media/video/usbvision/usbvision-i2c.c:173: warning: assignment makes integer from pointer without a cast
drivers/media/video/usbvision/usbvision-i2c.c:179:54: macro "outb" passed 4 arguments, but takes just 2
drivers/media/video/usbvision/usbvision-i2c.c:179: warning: assignment makes integer from pointer without a cast
thanks to Andrew Morton for pointing this.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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When I converted the original patch, I left unnecessary blk_queue_bounce in
SG_IO.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This patch fixes bio leaks in SG_IO. rq->bio can be changed after io
completion, so we need to reset rq->bio before calling blk_rq_unmap_user()
http://marc.theaimsgroup.com/?l=linux-kernel&m=116570666807983&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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While working on bidi support at struct request level
I have found that blk_queue_activity_fn is actually never used.
The only user is in ide-probe.c with this code:
/* enable led activity for disk drives only */
if (drive->media == ide_disk && hwif->led_act)
blk_queue_activity_fn(q, hwif->led_act, drive);
And led_act is never initialized anywhere.
(Looking back at older kernels it was used in the PPC arch, but was removed around 2.6.18)
Unless it is all for future use off course.
(this patch is against linux-2.6-block.git as off 2006/12/4)
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (32 commits)
[NETPOLL]: Fix local_bh_enable() warning.
[IPVS]: Make ip_vs_sync.c <= 80col wide.
[IPVS]: Use msleep_interruptable() instead of ssleep() aka msleep()
[HAMRADIO]: Fix baycom_epp.c compile failure.
[DCCP]: Whitespace cleanups
[DCCP] ccid3: Fixup some type conversions related to rtts
[DCCP] ccid3: BUG-FIX - conversion errors
[DCCP] ccid3: Reorder packet history source file
[DCCP] ccid3: Reorder packet history header file
[DCCP] ccid3: Make debug output consistent
[DCCP] ccid3: Perform history operations only after packet has been sent
[DCCP] ccid3: TX history - remove unused field
[DCCP] ccid3: Shift window counter computation
[DCCP] ccid3: Sanity-check RTT samples
[DCCP] ccid3: Initialise RTT values
[DCCP] ccid: Deprecate ccid_hc_tx_insert_options
[DCCP]: Warn when discarding packet due to internal errors
[DCCP]: Only deliver to the CCID rx side in charge
[DCCP]: Simplify TFRC calculation
[DCCP]: Debug timeval operations
...
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* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
[AVR32] Add missing #include <linux/param.h> to delay.c
[AVR32] Pass dev parameter to dma_cache_sync()
[AVR32] Implement intc_get_pending()
[AVR32] Don't include <asm/delay.h>
[AVR32] Put the chip in "stop" mode when halting the system
[AVR32] Set flow handler for external interrupts
[AVR32] Remove unused file
[AVR32] Remove mii_phy_addr and eth_addr from eth_platform_data
[AVR32] Move ethernet tag parsing to board-specific code
[AVR32] Add macb1 platform_device
[AVR32] Portmux API update
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* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (36 commits)
[POWERPC] Generic BUG for powerpc
[PPC] Fix compile failure do to introduction of PHY_POLL
[POWERPC] Only export __mtdcr/__mfdcr if CONFIG_PPC_DCR is set
[POWERPC] Remove old dcr.S
[POWERPC] Fix SPU coredump code for max_fdset removal
[POWERPC] Fix irq routing on some 32-bit PowerMacs
[POWERPC] ps3: Add vuart support
[POWERPC] Support ibm,dynamic-reconfiguration-memory nodes
[POWERPC] dont allow pSeries_probe to succeed without initialising MMU
[POWERPC] micro optimise pSeries_probe
[POWERPC] Add SPURR SPR to sysfs
[POWERPC] Add DSCR SPR to sysfs
[POWERPC] Fix 440SPe CPU table entry
[POWERPC] Add support for FP emulation for the e300c2 core
[POWERPC] of_device_register: propagate device_create_file return code
[POWERPC] Fix mmap of PCI resource with hack for X
[POWERPC] iSeries: head_64.o needs to depend on lparmap.s
[POWERPC] cbe_thermal: Fix initialization of sysfs attribute_group
[POWERPC] Remove QE header files from lite5200.c
[POWERPC] of_platform_make_bus_id(): make `magic' int
...
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This patch makes paging_init() use highend_pfn/highstart_pfn globals.
It removes the need of 'high' local which was needed only by HIGHMEM config.
More important perhaps, it fixes a bug when HIGHMEM is set but there's
actually no physical highmem (highend_pfn = 0)
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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While the recent cset 86384d544157db23879064cde36061cdcafc6794 did improve
things it didn't resolve all the problems. So bite the bullet and discard
.exit.text and .exit.data at runtime. Which of course sucks because it
bloats binaries with code that will never ever be used but it's the only
thing that will work reliable as demonstrated by the function sd_major() in
drivers/scsi/sd.c.
Gcc may compile sd_major() using a jump table which it will put into
.rodata. If it also inlines sd_major's function body into exit_sd() which
gcc > 3.4.x does. If CONFIG_BLK_DEV_SD has been set to y we would like ld
to discard exit_sd's code at link time. However sd_major happens to
contain a switch statement which gcc will compile using a jump table in
.rodata on the architectures I checked. So, when ld later discards
.exit.text only the jump table in .rodata with its stale references to
the discard .exit.text will be left which any no antique ld will honor
with a link error.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Another way that old SGI types were getting dragged into generic code.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This also fixes the duplicate definition of nic_t in the s2io driver.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Nothing <asm/sn/arch.h> defines is used.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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During boot we get:
netconsole: device eth0 not up yet, forcing it
e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
WARNING (!__warned) at kernel/softirq.c:137 local_bh_enable()
Call Trace:
[<ffffffff80235baf>] local_bh_enable+0x41/0xa3
[<ffffffff8045ab8e>] netpoll_send_skb+0x116/0x144
[<ffffffff8045b1ee>] netpoll_send_udp+0x263/0x271
[<ffffffff803d41ec>] write_msg+0x42/0x5e
[<ffffffff80230c9b>] __call_console_drivers+0x5f/0x70
[<ffffffff80230d19>] _call_console_drivers+0x6d/0x71
[<ffffffff802313f0>] release_console_sem+0x148/0x1ec
[<ffffffff802316ce>] register_console+0x1b1/0x1ba
[<ffffffff803d4178>] init_netconsole+0x54/0x68
[<ffffffff802071ae>] init+0x152/0x308
[<ffffffff804dac8b>] _spin_unlock_irq+0x14/0x30
[<ffffffff8022c15e>] schedule_tail+0x43/0x9f
[<ffffffff8020a758>] child_rip+0xa/0x12
Herbert sayeth:
Normally networking isn't invoked with interrupts turned off, but I
suppose we don't have a choice here. This is unique being a place where you
can get called with BH on, off, or IRQs off.
Given that this is only used for printk, the easiest solution is probably
just to disable local IRQs instead of BH.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds in support for the BUG() trap on SH-2.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This had a bogus .data.idt reference, fix it up..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add the SCIF IRQs to the IPR table for SH7722.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This was inadvertently broken when the entry.S code split up,
restore the missing branch and get subsequent traps working
under debug again. This manifested itself as a lockup when
attempting to reload the VBR base.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This adds CPU support for the SH7722.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This now takes a struct device, update all of the callers.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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A couple of these were missed.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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SH-2 and SH-2A need to use a different syscall base for the trapa
vector than the other parts, so fixup the logic in the kernel_execve()
case.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Some time ago the schedule frame size changed and we failed to reflect
this in get_wchan() at the time. This first popped up as a problem on
SH7751R where schedule_frame ended up being unaligned and generating
an unaligned trap. This fixes it up again..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Previously we haven't been doing anything with verbose BUG() reporting,
and we've been relying on the oops path for handling BUG()'s, which is
rather sub-optimal.
This switches BUG handling to use a fixed trapa vector (#0x3e) where we
construct a small bug frame post trapa instruction to get the context
right. This also makes it trivial to wire up a DIE_BUG for the atomic
die chain, which we couldn't really do before.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This adds alarm support for the RTC_ALM_SET, RTC_ALM_READ,
RTC_WKALM_SET and RTC_WKALM_RD operations to rtc-sh.
The only unusual part is the handling of the alarm interrupt. If you
clear the alarm flag (AF) while the time in the RTC still matches the
time in the alarm registers than AF is immediately re-set, and if the
alarm interrupt (AIE) is still enabled then it re-triggers. I was
originally getting around 20k+ interrupts generated during the second
when the RTC and alarm registers matches.
The solution I've used is to clear AIE when the alarm goes off and
then use the carry interrupt to re-enabled it. The carry interrupt
will check AF and re-enabled AIE if it's clear. If AF is not clear
it'll clear it and then the check will be repeated next carry
interrupt. This a bit in rtc structure that indicates that it's
waiting to have AIE re-enabled so it doesn't turn it on when it
wasn't enabled anyway.
Signed-off-by: Jamie Lenehan <lenehan@twibble.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The RMONCNT register, which holds the month in the RTC, takes a value
between 1 and 12 while the tm_mon field in the time structures takes
a value between 0 and 11. This wasn't being taken into account in
rtc-sh resulting in the month being out by one.
eg, on my board during boot the RTC is set to:
RTC is set to Thu Jul 01 09:00:00 1999
but "hwclock -r" immediately after logging in was showing:
Sun Aug 1 09:01:43 1999 0.000000 seconds
Signed-off-by: Jamie Lenehan <lenehan@twibble.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This can use the generic routines, so kill off the board-specific ones.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We have a few different ways to do the atomic operations, so split
them out in to different headers rather than bloating atomic.h.
Kernelspace gUSA will take this up to a third implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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