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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: include sched.h in ColdFire/SPI driver
m68knommu: formatting of pointers in printk()
m68knommu: arch/m68k/include/asm/ide.h fix for nommu
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* 'for-linus' of git://neil.brown.name/md:
md raid-1/10 Fix bio_rw bit manipulations again
md: provide appropriate return value for spare_active functions.
md: Notify sysfs when RAID1/5/10 disk is In_sync.
Update recovery_offset even when external metadata is used.
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* 'merge-devicetree' of git://git.secretlab.ca/git/linux-2.6:
spi.h: missing kernel-doc notation, please fix
of: fix missing headers for of_address_to_resource() in MTD and SysACE drivers
of: Fix missing includes
ata: update for of_device to platform_device replacement
microblaze: Fix of: eliminate of_device->node and dev_archdata->{of,prom}_node
microblaze: Fix of/address: Merge all of the bus translation code
booting-without-of: Remove nonexistent chapters from TOC, fix numbering
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commit 7b6d91daee5cac6402186ff224c3af39d79f4a0e changed the behaviour
of a few variables in raid1 and raid10 from flags to bit-sets, but
left them as type 'bool' so they did not work.
Change them (back) to unsigned long.
(historical note: see 1ef04fefe2241087d9db7e9615c3f11b516e36cf)
Signed-off-by: NeilBrown <neilb@suse.de>
Reported-by: Jiri Slaby <jslaby@suse.cz> and many others
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Added comments in kernel-doc notation for previously added struct fields.
Signed-off-by: Ernst Schwab <eschwab@online.de>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Using the coldfire qspi driver, I get the following error:
drivers/spi/coldfire_qspi.c: In function 'mcfqspi_irq_handler':
drivers/spi/coldfire_qspi.c:166: error: 'TASK_NORMAL' undeclared (first use in this function)
drivers/spi/coldfire_qspi.c:166: error: (Each undeclared identifier is reported only once
It is solved by adding the following include to coldfire_sqpi.c:
#include <linux/sched.h>
Fix suggested by Jate Sujjavanich <jsujjavanich@syntech-fuelmaster.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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arch/m68knommu/kernel/process.c: formatting of pointers in printk()
Use %p instead of %08x in printk().
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The arch/m68k/include/asm/ide.h produces errors when the IDE driver is compiled for my 523x uClinux system under kernel. The header makes some redefines of operators not defined in the arch/m68k/include/asm/io_no.h header. There are no separate mmio and iospace defines.
Signed-off-by: Jate Sujjavanich <jsujjavanich@syntech-fuelmaster.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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md_check_recovery expects ->spare_active to return 'true' if any
spares were activated, but none of them do, so the consequent change
in 'degraded' is not notified through sysfs.
So count the number of spares activated, subtract it from 'degraded'
just once, and return it.
Reported-by: Adrian Drzewiecki <adriand@vmware.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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When RAID1 is done syncing disks, it'll update the state
of synced rdevs to In_sync. But it neglected to notify
sysfs that the attribute changed. So any programs that
are waiting for an rdev's state to change will not be
woken.
(raid5/raid10 added by neilb)
Signed-off-by: Adrian Drzewiecki <adriand@vmware.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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The update of ->recovery_offset in sync_sbs is appropriate even then external
metadata is in use. However sync_sbs is only called when native
metadata is used.
So move that update in to the top of md_update_sb (which is the only
caller of sync_sbs) before the test on ->external.
This moves the update out of ->write_lock protection, but those fields
only need ->reconfig_mutex protection which they still have.
Also move the test on ->persistent up to where ->external is set as
for metadata update purposes they are the same.
Clear MD_CHANGE_DEVS and MD_CHANGE_CLEAN as they can only be confusing
if ->external is set or ->persistent isn't.
Finally move the update of ->utime down as it is only relevent (like
the ->events update) for native metadata.
Signed-off-by: NeilBrown <neilb@suse.de>
Reported-by: "Kwolek, Adam" <adam.kwolek@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
AppArmor: fix task_setrlimit prototype
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
vt,console,kdb: preserve console_blanked while in kdb
vt: fix regression warnings from KMS merge
arm,kgdb: fix GDB_MAX_REGS no longer used
kgdb: add missing __percpu markup in arch/x86/kernel/kgdb.c
kdb: fix compile error without CONFIG_KALLSYMS
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git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86:
platform/x86: move rfkill for Dell Mini 1012 to compal-laptop
thinkpad-acpi: Add KEY_CAMERA (Fn-F6) for Lenovo keyboards
thinkpad-acpi: add support for model-specific keymaps
thinkpad-acpi: lock down size of hotkey keymap
thinkpad-acpi: untangle ACPI/vendor backlight selection
thinkpad-acpi: find ACPI video device by synthetic HID
intel_ips: potential null dereference
drivers/platform/x86: Adjust confusing if indentation
x86: intel_ips: do not use PCI resources before pci_enable_device()
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
nilfs2: fix false warning saying one of two super blocks is broken
nilfs2: fix list corruption after ifile creation failure
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net: Fix a memmove bug in dev_gro_receive()
net sched: fix some kernel memory leaks
netfilter: {ip,ip6,arp}_tables: avoid lockdep false positive
Revert "netlink: netlink_recvmsg() fix"
ipv6: remove sysctl jiffies conversion on gc_elasticity and min_adv_mss
xfrm: Use GFP_ATOMIC in xfrm_compile_policy
ath5k: disable ASPM L0s for all cards
ath9k_htc: load proper firmware for device ID 7015
wl1251: fix trigger scan timeout usage
ath9k_htc: Fix disconnect issue in HT40 mode.
ath9k_htc: fix panic on packet injection using airbase-ng tool.
ipw2100: register pm_qos request before registering pci driver
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list_add() corruption messages reported from shmem_fill_super()'s recently
introduced percpu_counter_init(): shmem_put_super() needs to remember to
percpu_counter_destroy(). And also check error from percpu_counter_init().
Reported-bisected-and-tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Fix atomic64_t routine return values.
sparc64: Fix rwsem constant bug leading to hangs.
sparc: Hook up new fanotify and prlimit64 syscalls.
sparc: Really fix "console=" for serial consoles.
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* master.kernel.org:/home/rmk/linux-2.6-arm:
VIDEO: amba clcd: don't disable an already disabled clock
ARM: Tighten check for allowable CPSR values
ARM: 6329/1: wire up sys_accept4() on ARM
ARM: 6328/1: Build with -fno-dwarf2-cfi-asm
ARM: 6326/1: kgdb: fix GDB_MAX_REGS no longer used
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Using a program like the following:
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
int main() {
id_t id;
siginfo_t infop;
pid_t res;
id = fork();
if (id == 0) { sleep(1); exit(0); }
kill(id, SIGSTOP);
alarm(1);
waitid(P_PID, id, &infop, WCONTINUED);
return 0;
}
to call waitid() on a stopped process results in access to the child task's
credentials without the RCU read lock being held - which may be replaced in the
meantime - eliciting the following warning:
===================================================
[ INFO: suspicious rcu_dereference_check() usage. ]
---------------------------------------------------
kernel/exit.c:1460 invoked rcu_dereference_check() without protection!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 1
2 locks held by waitid02/22252:
#0: (tasklist_lock){.?.?..}, at: [<ffffffff81061ce5>] do_wait+0xc5/0x310
#1: (&(&sighand->siglock)->rlock){-.-...}, at: [<ffffffff810611da>]
wait_consider_task+0x19a/0xbe0
stack backtrace:
Pid: 22252, comm: waitid02 Not tainted 2.6.35-323cd+ #3
Call Trace:
[<ffffffff81095da4>] lockdep_rcu_dereference+0xa4/0xc0
[<ffffffff81061b31>] wait_consider_task+0xaf1/0xbe0
[<ffffffff81061d15>] do_wait+0xf5/0x310
[<ffffffff810620b6>] sys_waitid+0x86/0x1f0
[<ffffffff8105fce0>] ? child_wait_callback+0x0/0x70
[<ffffffff81003282>] system_call_fastpath+0x16/0x1b
This is fixed by holding the RCU read lock in wait_task_continued() to ensure
that the task's current credentials aren't destroyed between us reading the
cred pointer and us reading the UID from those credentials.
Furthermore, protect wait_task_stopped() in the same way.
We don't need to keep holding the RCU read lock once we've read the UID from
the credentials as holding the RCU read lock doesn't stop the target task from
changing its creds under us - so the credentials may be outdated immediately
after we've read the pointer, lock or no lock.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make do_execve() take a const filename pointer so that kernel_execve() compiles
correctly on ARM:
arch/arm/kernel/sys_arm.c:88: warning: passing argument 1 of 'do_execve' discards qualifiers from pointer target type
This also requires the argv and envp arguments to be consted twice, once for
the pointer array and once for the strings the array points to. This is
because do_execve() passes a pointer to the filename (now const) to
copy_strings_kernel(). A simpler alternative would be to cast the filename
pointer in do_execve() when it's passed to copy_strings_kernel().
do_execve() may not change any of the strings it is passed as part of the argv
or envp lists as they are some of them in .rodata, so marking these strings as
const should be fine.
Further kernel_execve() and sys_execve() need to be changed to match.
This has been test built on x86_64, frv, arm and mips.
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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>Xin Xiaohui wrote:
> I looked into the code dev_gro_receive(), found the code here:
> if the frags[0] is pulled to 0, then the page will be released,
> and memmove() frags left.
> Is that right? I'm not sure if memmove do right or not, but
> frags[0].size is never set after memove at least. what I think
> a simple way is not to do anything if we found frags[0].size == 0.
> The patch is as followed.
...
This version of the patch fixes the bug directly in memmove.
Reported-by: "Xin, Xiaohui" <xiaohui.xin@intel.com>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Should return 'long' instead of 'int'.
Thanks to Dimitris Michailidis and Tony Luck.
Signed-off-by: David S. Miller <davem@davemloft.net>
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As noticed by Linus, it is critical that some of the
rwsem constants be signed. Yet, hex constants are
unsigned unless explicitly casted or negated.
The most critical one is RWSEM_WAITING_BIAS.
This bug was exacerbated by commit
424acaaeb3a3932d64a9b4bd59df6cf72c22d8f3 ("rwsem: wake queued readers
when writer blocks on active read lock")
Signed-off-by: David S. Miller <davem@davemloft.net>
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We leak at least 32bits of kernel memory to user land in tc dump,
because we dont init all fields (capab ?) of the dumped structure.
Use C99 initializers so that holes and non explicit fields are zeroed.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 24b36f019 (netfilter: {ip,ip6,arp}_tables: dont block
bottom half more than necessary), lockdep can raise a warning
because we attempt to lock a spinlock with BH enabled, while
the same lock is usually locked by another cpu in a softirq context.
Disable again BH to avoid these lockdep warnings.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Diagnosed-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the clock enable/disable tracking in the AMBA CLCD driver so
that the driver doesn't try to disable an already disabled clock,
thereby causing the clock (if shared) to become unbalanced.
This resolves a problem with CLCD on LPC32xx ARM platforms.
Reported-by: Kevin Wells <wellsk40@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The drivers for Xilinx' SystemACE and physically mapped MTDs were missing
prototypes for of_address_to_resource(). This patch adds the necessary
headers.
Signed-off-by: Graeme Smecher <graeme.smecher@mail.mcgill.ca>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch fixes missing includes from a number of .c files because
the code (wrongfully) depended on prom.h including them. The include
of linux/of_address.h was removed in microblaze prom.h in commit
"of/address: Clean up function declarations" (sha1 id 22ae782f8), but
not fixed in some callers. This patch fixes them up.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Michal Simek <monstr@monstr.eu>
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After rlimits tree was merged we get the following errors:
security/apparmor/lsm.c:663:2: warning: initialization from incompatible pointer type
It is because AppArmor was merged in the meantime, but uses the old
prototype. So fix it by adding struct task_struct as a first parameter
of apparmor_task_setrlimit.
NOTE that this is ONLY a compilation warning fix (and crashes caused
by that). It needs proper handling in AppArmor depending on who is the
'task'.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <jmorris@namei.org>
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The only tricky bit is the compat version of fanotify_mark, which
which on 32-bit the 64-bit mark argument is passed in as "high32",
"low32".
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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Commit b45cfba4e9005d64d419718e7ff7f7cab44c1994 (vt,console,kdb:
implement atomic console enter/leave functions) introduced the ability
to atomically change the console mode with kernel mode setting but did
not preserve the state of the console_blanked variable.
The console_blanked variable must be restored when executing the
con_debug_leave() or further kernel mode set changes (such as using
chvt X) will fail to correctly set the state of console.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Andrew Morton <akpm@linux-foundation.org>
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Fix the following new sparse warnings in vt.c introduced by the commit
b45cfba4e9005d64d419718e7ff7f7cab44c1994 (vt,console,kdb: implement
atomic console enter/leave functions):
drivers/char/vt.c:197:5: warning: symbol 'saved_fg_console' was not declared. Should it be static?
drivers/char/vt.c:198:5: warning: symbol 'saved_last_console' was not declared. Should it be static?
drivers/char/vt.c:199:5: warning: symbol 'saved_want_console' was not declared. Should it be static?
drivers/char/vt.c:200:5: warning: symbol 'saved_vc_mode' was not declared. Should it be static?
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Andrew Morton <akpm@linux-foundation.org>
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According to commit 22eeef4bb2a7fd225089c0044060ed1fbf091958
kgdb,arm: Individual register get/set for arm
It's now replaced by DBG_MAX_REG_NUM.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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breakinfo->pev is a pointer to percpu pointer but was missing __percpu markup.
Add it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
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If CONFIG_KGDB_KDB is set and CONFIG_KALLSYMS is not set the kernel
will fail to build with the error:
kernel/built-in.o: In function `kallsyms_symbol_next':
kernel/debug/kdb/kdb_support.c:237: undefined reference to `kdb_walk_kallsyms'
kernel/built-in.o: In function `kallsyms_symbol_complete':
kernel/debug/kdb/kdb_support.c:193: undefined reference to `kdb_walk_kallsyms'
The kdb_walk_kallsyms needs a #ifdef proper header to match the C
implementation. This patch also fixes the compiler warnings in
kdb_support.c when compiling without CONFIG_KALLSYMS set. The
compiler warnings are a result of the kallsyms_lookup() macro not
initializing the two of the pass by reference variables.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Reported-by: Michal Simek <monstr@monstr.eu>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Commit 58f9b0b02414062eaff46716bc04b47d7e79add5 should
contain this fix too.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Commit dbbdee94734bf6f1db7af42008a53655e77cab8f removed
of_irq_pci_swizzle but didn't use pci_swizzle_interrupt_pin
instead.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Marvell and GPIO bindings live in their own files, so the TOC should not
mention them.
Also fix chapters numbering.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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If a video head and keyboard are hooked up, specifying "console=ttyS0"
or similar to use a serial console will not work properly.
The key issue is that we must register all serial console capable
devices with register_console(), otherwise the command line specified
device won't be found. The sun serial drivers would only register
themselves as console devices if the OpenFirmware specified console
device node matched. To fix this part we now unconditionally get
the serial console register by setting serial_drv->cons always.
Secondarily we must not add_preferred_console() using the firmware
provided console setting if the user gaven an override on the kernel
command line using "console=" The "primary framebuffer" matching
logic was always triggering o n openfirmware device node match, make
it not when a command line override was given.
Reported-by: Frans Pop <elendil@planet.nl>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Like others in the Mini series, the Dell Mini 1012 does not support
the smbios hook required by dell-laptop.
Signed-off-by: Victor van den Elzen <victor.vde@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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On the T410s and most likely other current models, Fn-F6 is labeled as
Camera/Headphone key. Report key presses as KEY_CAMERA.
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Acked-by: Jerone Young <jerone.young@canonical.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Use the quirks engine to select model-specific keymaps, which makes
it much easier to extend should we need it.
Keycodes are based on the tables at
http://www.thinkwiki.org/wiki/Default_meanings_of_special_keys.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Use a safer coding style for the hotkey keymap. This does not fix any
problems, as the current code is correct. But it might help avoid
mistakes in the future.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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acpi_video_backlight_support() already tells us if ACPI is handling
backlight control through the generic ACPI handle. It is better to just
trust it.
While at it, adjust down a printk priority, and test earlier for
brightness_enable=0.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The Linux ACPI core locates the ACPI video devices for us and marks them
with ACPI_VIDEO_HID. Use that information to locate the video device
instead of a half-baked hunt for _BCL.
This uncouples the detection of the number of backlight brightness
levels on ThinkPads from the ACPI paths in vid_handle.
With this change, the driver should be able to always detect whether the
ThinkPad uses a 8-level or 16-level brightness scale even on newer
models for which the vid_handle paths have not been updated yet.
It will skip deactivated devices in the ACPI device tree, which is a
change in behaviour.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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