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Fix interaction with new generic header stuff as added by:
commit 6103ec56c65c33774c7c38652c8204120c3c7519
Author: Arnd Bergmann <arnd@arndb.de>
Date: Wed May 13 22:56:27 2009 +0000
asm-generic: add generic ABI headers
The problem is that asm/signal.h has been made to include asm-generic/signal.h,
but the redundant stuff from asm/signal.h has not been discarded, leading to
multiple redefinitions.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'next-i2c' of git://aeryn.fluff.org.uk/bjdooks/linux:
i2c-ocores: Can add I2C devices to the bus
i2c-s3c2410: move to using platform idtable to match devices
i2c: OMAP3: Better noise suppression for fast/standard modes
i2c: OMAP2/3: Fix scll/sclh calculations
i2c: Blackfin TWI: implement I2C_FUNC_SMBUS_I2C_BLOCK functionality
i2c: Blackfin TWI: fix transfer errors with repeat start
i2c: Blackfin TWI: fix REPEAT START mode doesn't repeat
i2c: Blackfin TWI: make sure we don't end up with a CLKDIV=0
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mce-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (80 commits)
x86, mce: Add boot options for corrected errors
x86, mce: Fix mce printing
x86, mce: fix for mce counters
x86, mce: support action-optional machine checks
x86, mce: define MCE_VECTOR
x86, mce: rename mce_notify_user to mce_notify_irq
x86: fix panic with interrupts off (needed for MCE)
x86, mce: export MCE severities coverage via debugfs
x86, mce: implement new status bits
x86, mce: print header/footer only once for multiple MCEs
x86, mce: default to panic timeout for machine checks
x86, mce: improve mce_get_rip
x86, mce: make non Monarch panic message "Fatal machine check" too
x86, mce: switch x86 machine check handler to Monarch election.
x86, mce: implement panic synchronization
x86, mce: implement bootstrapping for machine check wakeups
x86, mce: check early in exception handler if panic is needed
x86, mce: add table driven machine check grading
x86, mce: remove TSC print heuristic
x86, mce: log corrected errors when panicing
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* 'for-linus' of git://oss.sgi.com/xfs/xfs: (23 commits)
xfs: fix small mismerge in xfs_vn_mknod
xfs: fix warnings with CONFIG_XFS_QUOTA disabled
xfs: fix freeing memory in xfs_getbmap()
xfs: use generic Posix ACL code
xfs: remove SYNC_BDFLUSH
xfs: remove SYNC_IOWAIT
xfs: split xfs_sync_inodes
xfs: use generic inode iterator in xfs_qm_dqrele_all_inodes
xfs: introduce a per-ag inode iterator
xfs: remove unused parameter from xfs_reclaim_inodes
xfs: factor out inode validation for sync
xfs: split inode flushing from xfs_sync_inodes_ag
xfs: split inode data writeback from xfs_sync_inodes_ag
xfs: kill xfs_qmops
xfs: validate quota log items during log recovery
xfs: update max log size
xfs: prevent deadlock in xfs_qm_shake()
xfs: fix overflow in xfs_growfs_data_private
xfs: fix double unlock in xfs_swap_extents()
xfs: fix getbmap vs mmap deadlock
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* 'docs-next' of git://git.lwn.net/linux-2.6:
Document the debugfs API
Documentation: Add "how to write a good patch summary" to SubmittingPatches
SubmittingPatches: fix typo
docs: Encourage better changelogs in the development process document
Document Reported-by in SubmittingPatches
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (35 commits)
hwrng: timeriomem - Fix potential oops (request_mem_region/__devinit)
crypto: api - Use formatting of module name
crypto: testmgr - Allow hash test vectors longer than a page
crypto: testmgr - Check all test vector lengths
crypto: hifn_795x - fix __dev{init,exit} markings
crypto: tcrypt - Do not exit on success in fips mode
crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}
hwrng: via_rng - Support VIA Nano hardware RNG on X86_64 builds
hwrng: via_rng - Support VIA Nano hardware RNG
hwrng: via_rng - The VIA Hardware RNG driver is for the CPU, not Chipset
crypto: testmgr - Skip algs not flagged fips_allowed in fips mode
crypto: testmgr - Mark algs allowed in fips mode
crypto: testmgr - Add ctr(aes) test vectors
crypto: testmgr - Dynamically allocate xbuf and axbuf
crypto: testmgr - Print self-test pass notices in fips mode
crypto: testmgr - Catch base cipher self-test failures in fips mode
crypto: testmgr - Add ansi_cprng test vectors
crypto: testmgr - Add infrastructure for ansi_cprng self-tests
crypto: testmgr - Add self-tests for rfc4309(ccm(aes))
crypto: testmgr - Handle AEAD test vectors expected to fail verification
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The Blackfin submission was done as a patch against a different tree
and contained a duplicate hunk which will cause us to loose track of the
substream pointers when shutting down. Remove one of the duplicated
hunks.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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drivers/net/cnic.c: In function ‘init_bnx2_cnic’:
drivers/net/cnic.c:2520: error: implicit declaration of function ‘__symbol_get’
drivers/net/cnic.c:2520: warning: assignment makes pointer from integer without a cast
make[1]: *** [drivers/net/cnic.o] Error 1
make: *** [drivers/net/cnic.o] Error 2
Caused by not including linux/module.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Fix cnic build for case of CONFIG_INET=n.
Fix cnic build for case of CONFIG_IPV6=m and CONFIG_CNIC=y.
Fixes these build errors:
cnic.c:(.text+0x236a1d): undefined reference to `ip_route_output_key'
cnic.c:(.text+0x15a8e8): undefined reference to `ip6_route_output'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The unaligned address exception handler (and others) does not scan the
fixup tables before oopsing. This is bad because it means passing a
badly aligned pointer from user space might crash the kernel.
Fix this by scanning the fixup tables in _exception(). This should
resolve the issue for unaligned addresses as well as other less common
exceptions that might be happening during a userspace access. The page
fault handler already does fixup processing.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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kmemcheck/shadow.c needs to include <linux/module.h> to prevent
the following warnings:
linux-next-20080724/arch/x86/mm/kmemcheck/shadow.c:64: warning : data definition has no type or storage class
linux-next-20080724/arch/x86/mm/kmemcheck/shadow.c:64: warning : type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
linux-next-20080724/arch/x86/mm/kmemcheck/shadow.c:64: warning : parameter names (without types) in function declaration
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: vegardno@ifi.uio.no
Cc: penberg@cs.helsinki.fi
Cc: akpm <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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General description: kmemcheck is a patch to the linux kernel that
detects use of uninitialized memory. It does this by trapping every
read and write to memory that was allocated dynamically (e.g. using
kmalloc()). If a memory address is read that has not previously been
written to, a message is printed to the kernel log.
Thanks to Andi Kleen for the set_memory_4k() solution.
Andrew Morton suggested documenting the shadow member of struct page.
Signed-off-by: Vegard Nossum <vegardno@ifi.uio.no>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
[export kmemcheck_mark_initialized]
[build fix for setup_max_cpus]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
[rebased for mainline inclusion]
Signed-off-by: Vegard Nossum <vegardno@ifi.uio.no>
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git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
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Thanks to Sitsofe Wheeler, Randy Dunlap, and Jonathan Corbet for providing
input and feedback on this!
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Most boards use 25000000 as the default HZ, so rather than add a whole
bunch more boards, make it the default for everyone. This also fixes
randconfig builds as there was no default before.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Just the basic ftrace support here -- mcount and the ftrace stub.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The Blackfin arch has a bunch of custom section markings for its on-chip
regions, but they aren't declared in the right header.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Looks like the mutex-dec.h header file was incorrectly copied into the
Blackfin asm path. Nothing uses it, so punt it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This converts the irq handling in the Blackfin arch from the old irq.h /
system.h method to the new irqflags.h. A stepping stone on the way to
other tracing functionality.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Since U-Boot can support these compression types, add appropriate targets
to the Blackfin boot files.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Makes the file easier to read when there isn't so much clutter.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The older smsc911x driver made platform data optional, but the newer one
always requires it, so add proper settings to the BF548-EZKIT.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The ADP5520 hooks up to PF7 rather than PG0.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The SPI flash on the BF518F-EZBRD board is actually hooked up to CS2,
not CS1, so make sure the resources are correct.
URL: http://blackfin.uclinux.org/gf/tracker/5220
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The Blackfin SPI driver can be driven by an IRQ now, so declare it in
the board resources.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Before we configure the early UART, check to make sure we are running on
the expected processor - otherwise, we cause problems by configuring pins
that don't exist (and causing an infinite loop of faults).
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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When a low priority interrupt (like ethernet) is triggered between 2 high
priority IPI messages, a deadlock in disable_irq() is hit by the second
IPI handler. This is because the second IPI message is queued within the
first IPI handler, but the handler doesn't process all messages, and new
ones are inserted rather than appended. So now we process all the pending
messages, and append new ones to the pending list.
URL: http://blackfin.uclinux.org/gf/tracker/5226
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The IRQ functions take an "unsigned long" flags variable, not any other
type, so fix the places where we use "int" or "long".
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Rather than maintain a duplicate list of valid exceptions we can take in
the kernel both in the first if() check and the switch() check, delay the
oops check to after the switch(). All valid exceptions will have returned
by this point leaving only the invalid ones.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The trap_c() code pushes the hardware trace status onto the stack, but
doesn't always restore it when returning from some trap code paths. So
unify the exit code paths to all head to the end of the function.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The KGDB code uses this when switching processors to make sure the icache
is in a valid state.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Since the compiled-for cpu revision can be significant, include it in the
cpuinfo output along side the cpu revision we're currently running on.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The latter naming convention is much more common.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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All other arches do this, and some places like the net/scsi code will fail
as modules without them.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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We don't need to handle CPLB protection violations unless we are running
with the MPU on. Fix the entry code to call common trap_c, and remove the
code which is never run. This allows the traps test suite to run on older
boards with the MPU disabled.
URL: http://blackfin.uclinux.org/gf/tracker/5129
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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This patch improves ctnetlink event reliability if one broadcast
listener has set the NETLINK_BROADCAST_ERROR socket option.
The logic is the following: if an event delivery fails, we keep
the undelivered events in the missed event cache. Once the next
packet arrives, we add the new events (if any) to the missed
events in the cache and we try a new delivery, and so on. Thus,
if ctnetlink fails to deliver an event, we try to deliver them
once we see a new packet. Therefore, we may lose state
transitions but the userspace process gets in sync at some point.
At worst case, if no events were delivered to userspace, we make
sure that destroy events are successfully delivered. Basically,
if ctnetlink fails to deliver the destroy event, we remove the
conntrack entry from the hashes and we insert them in the dying
list, which contains inactive entries. Then, the conntrack timer
is added with an extra grace timeout of random32() % 15 seconds
to trigger the event again (this grace timeout is tunable via
/proc). The use of a limited random timeout value allows
distributing the "destroy" resends, thus, avoiding accumulating
lots "destroy" events at the same time. Event delivery may
re-order but we can identify them by means of the tuple plus
the conntrack ID.
The maximum number of conntrack entries (active or inactive) is
still handled by nf_conntrack_max. Thus, we may start dropping
packets at some point if we accumulate a lot of inactive conntrack
entries that did not successfully report the destroy event to
userspace.
During my stress tests consisting of setting a very small buffer
of 2048 bytes for conntrackd and the NETLINK_BROADCAST_ERROR socket
flag, and generating lots of very small connections, I noticed
very few destroy entries on the fly waiting to be resend.
A simple way to test this patch consist of creating a lot of
entries, set a very small Netlink buffer in conntrackd (+ a patch
which is not in the git tree to set the BROADCAST_ERROR flag)
and invoke `conntrack -F'.
For expectations, no changes are introduced in this patch.
Currently, event delivery is only done for new expectations (no
events from expectation expiration, removal and confirmation).
In that case, they need a per-expectation event cache to implement
the same idea that is exposed in this patch.
This patch can be useful to provide reliable flow-accouting. We
still have to add a new conntrack extension to store the creation
and destroy time.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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This patch adds the hlist_nulls_add_head() function which is
based on hlist_nulls_add_head_rcu() but without the use of
rcu_assign_pointer(). It also adds hlist_nulls_del which is
exactly the same like hlist_nulls_del_rcu().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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This patch moves the helper destruction to a function that lives
in nf_conntrack_helper.c. This new function is used in the patch
to add ctnetlink reliable event delivery.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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This patch reworks the per-cpu event caching to use the conntrack
extension infrastructure.
The main drawback is that we consume more memory per conntrack
if event delivery is enabled. This patch is required by the
reliable event delivery that follows to this patch.
BTW, this patch allows you to enable/disable event delivery via
/proc/sys/net/netfilter/nf_conntrack_events in runtime, although
you can still disable event caching as compilation option.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Use mod_timer_pending() instead of atomic sequence of del_timer()/
add_timer(). mod_timer_pending() does not rearm an inactive timer,
so we don't need the conntrack lock anymore to make sure we don't
accidentally rearm a timer of a conntrack which is in the process
of being destroyed.
With this change, we don't need to take the global lock anymore at all,
counter updates can be performed under the per-conntrack lock.
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Fix regression introduced by 17625274 "netfilter: sysctl support of
logger choice":
BUG: sleeping function called from invalid context at /mnt/s390test/linux-2.6-tip/arch/s390/include/asm/uaccess.h:234
in_atomic(): 1, irqs_disabled(): 0, pid: 3245, name: sysctl
CPU: 1 Not tainted 2.6.30-rc8-tipjun10-02053-g39ae214 #1
Process sysctl (pid: 3245, task: 000000007f675da0, ksp: 000000007eb17cf0)
0000000000000000 000000007eb17be8 0000000000000002 0000000000000000
000000007eb17c88 000000007eb17c00 000000007eb17c00 0000000000048156
00000000003e2de8 000000007f676118 000000007eb17f10 0000000000000000
0000000000000000 000000007eb17be8 000000000000000d 000000007eb17c58
00000000003e2050 000000000001635c 000000007eb17be8 000000007eb17c30
Call Trace:
(Ý<00000000000162e6>¨ show_trace+0x13a/0x148)
Ý<00000000000349ea>¨ __might_sleep+0x13a/0x164
Ý<0000000000050300>¨ proc_dostring+0x134/0x22c
Ý<0000000000312b70>¨ nf_log_proc_dostring+0xfc/0x188
Ý<0000000000136f5e>¨ proc_sys_call_handler+0xf6/0x118
Ý<0000000000136fda>¨ proc_sys_read+0x26/0x34
Ý<00000000000d6e9c>¨ vfs_read+0xac/0x158
Ý<00000000000d703e>¨ SyS_read+0x56/0x88
Ý<0000000000027f42>¨ sysc_noemu+0x10/0x16
Use the nf_log_mutex instead of RCU to fix this.
Reported-and-tested-by: Maran Pakkirisamy <maranpsamy@in.ibm.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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commit 3f68535adad (clocksource: sanity check sysfs clocksource
changes) prevents selection of non high resolution capable
clocksources when high resolution mode is active, but did not take
into account that the same rules apply for highres=off nohz=on.
Check the tick device mode instead of hrtimer_hres_active() to verify
whether the system needs to be protected from a switch to jiffies or
other non highres capable clock sources.
Reported-by: Luming Yu <luming.yu@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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There is sometimes a need for the ocores driver to add devices to the
bus when installed.
i2c_register_board_info can not always be used, because the I2C devices
are not known at an early state, they could for instance be connected
on a I2C bus on a PCI device which has the Open Cores IP.
i2c_new_device can not be used in all cases either since the resulting
bus nummer might be unknown.
The solution is the pass a list of I2C devices in the platform data to
the Open Cores driver. This is useful for MFD drivers.
Signed-off-by: Richard Röjfors <richard.rojfors.ext@mocean-labs.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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