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Jayson R. King [Mon, 5 Oct 2009 10:21:26 +0000 (05:21 -0500)]
sched: Remove obsolete comment in sched_init()
Remove the comment about calling alloc_bootmem() as it is not
called here since commit
36b7b6d465489c4754c4fd66fcec6086eba87896.
Signed-off-by: Jayson R. King <dev@jaysonking.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jiri Kosina <trivial@kernel.org>
LKML-Reference: <
4AC9C8A6.
6010209@jaysonking.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Heiko Carstens [Mon, 21 Sep 2009 09:06:27 +0000 (11:06 +0200)]
sched: Always show Cpus_allowed field in /proc/<pid>/status
The Cpus_allowed fields in /proc/<pid>/status is currently only
shown in case of CONFIG_CPUSETS. However their contents are also
useful for the !CONFIG_CPUSETS case.
So change the current behaviour and always show these fields.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <
20090921090627.GD4649@osiris.boeblingen.de.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Peter Williams [Mon, 21 Sep 2009 01:31:53 +0000 (01:31 +0000)]
sched: Simplify sys_sched_rr_get_interval() system call
By removing the need for it to know details of scheduling classes.
This allows PlugSched to define orthogonal scheduling classes.
Signed-off-by: Peter Williams <pwil3058@bigpond.net.au>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <
06d1b89ee15a0eef82d7.
1253496713@mudlark.pw.nest>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Yong Zhang [Mon, 14 Sep 2009 12:20:16 +0000 (20:20 +0800)]
sched: Fix potential NULL derference of doms_cur
If CONFIG_CPUMASK_OFFSTACK is enabled but doms_cur alloc failed in
arch_init_sched_domains(), doms_cur will move back to
fallback_doms. But this time, fallback_doms has not been
initialized yet.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: a.p.zijlstra@chello.nl
LKML-Reference: <
1252930816-7672-1-git-send-email-yong.zhang0@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andrew Morton [Sat, 19 Sep 2009 18:55:44 +0000 (11:55 -0700)]
sched: Fix raciness in runqueue_is_locked()
runqueue_is_locked() is unavoidably racy due to a poor interface design.
It does
cpu = get_cpu()
ret = some_perpcu_thing(cpu);
put_cpu(cpu);
return ret;
Its return value is unreliable.
Fix.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <
200909191855.n8JItiko022148@imap1.linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Mike Galbraith [Sat, 19 Sep 2009 14:52:35 +0000 (16:52 +0200)]
sched: Re-add lost cpu_allowed check to sched_fair.c::select_task_rq_fair()
While doing some testing, I pinned mplayer, only to find it
following X around like a puppy. Looking at commit
c88d591, I found
a cpu_allowed check that went AWOL. I plugged it back in where it
looks like it needs to go, and now when I say "sit, stay!", mplayer
obeys again.
'
c88d591 sched: Merge select_task_rq_fair() and
sched_balance_self()' accidentally dropped the check, causing
wake_affine() to pull pinned tasks - put it back.
[ v2: use a cheaper version from Peter ]
Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Mike Galbraith [Fri, 18 Sep 2009 07:19:25 +0000 (09:19 +0200)]
sched: Remove unneeded indentation in sched_fair.c::place_entity()
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <
1253258365.22787.33.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Linus Torvalds [Fri, 18 Sep 2009 04:07:08 +0000 (21:07 -0700)]
Merge branch 'x86-mce-for-linus' of git://git./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: (21 commits)
x86, mce: Fix compilation with !CONFIG_DEBUG_FS in mce-severity.c
x86, mce: CE in last bank prevents panic by unknown MCE
x86, mce: Fake panic support for MCE testing
x86, mce: Move debugfs mce dir creating to mce.c
x86, mce: Support specifying raise mode for software MCE injection
x86, mce: Support specifying context for software mce injection
x86, mce: fix reporting of Thermal Monitoring mechanism enabled
x86, mce: remove never executed code
x86, mce: add missing __cpuinit tags
x86, mce: fix "mce" boot option handling for CONFIG_X86_NEW_MCE
x86, mce: don't log boot MCEs on Pentium M (model == 13) CPUs
x86: mce: Lower maximum number of banks to architecture limit
x86: mce: macros to compute banks MSRs
x86: mce: Move per bank data in a single datastructure
x86: mce: Move code in mce.c
x86: mce: Rename CONFIG_X86_NEW_MCE to CONFIG_X86_MCE
x86: mce: Remove old i386 machine check code
x86: mce: Update X86_MCE description in x86/Kconfig
x86: mce: Make CONFIG_X86_ANCIENT_MCE dependent on CONFIG_X86_MCE
x86, mce: use atomic_inc_return() instead of add by 1
...
Manually fixed up trivial conflicts:
Documentation/feature-removal-schedule.txt
arch/x86/kernel/cpu/mcheck/mce.c
Linus Torvalds [Fri, 18 Sep 2009 04:00:02 +0000 (21:00 -0700)]
Merge branch 'sched-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (37 commits)
sched: Fix SD_POWERSAVING_BALANCE|SD_PREFER_LOCAL vs SD_WAKE_AFFINE
sched: Stop buddies from hogging the system
sched: Add new wakeup preemption mode: WAKEUP_RUNNING
sched: Fix TASK_WAKING & loadaverage breakage
sched: Disable wakeup balancing
sched: Rename flags to wake_flags
sched: Clean up the load_idx selection in select_task_rq_fair
sched: Optimize cgroup vs wakeup a bit
sched: x86: Name old_perf in a unique way
sched: Implement a gentler fair-sleepers feature
sched: Add SD_PREFER_LOCAL
sched: Add a few SYNC hint knobs to play with
sched: Fix sync wakeups again
sched: Add WF_FORK
sched: Rename sync arguments
sched: Rename select_task_rq() argument
sched: Feature to disable APERF/MPERF cpu_power
x86: sched: Provide arch implementations using aperf/mperf
x86: Add generic aperf/mperf code
x86: Move APERF/MPERF into a X86_FEATURE
...
Fix up trivial conflict in arch/x86/include/asm/processor.h due to
nearby addition of amd_get_nb_id() declaration from the EDAC merge.
Linus Torvalds [Fri, 18 Sep 2009 03:58:11 +0000 (20:58 -0700)]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, pat: don't use rb-tree based lookup in reserve_memtype()
x86: Increase MIN_GAP to include randomized stack
Linus Torvalds [Fri, 18 Sep 2009 03:56:37 +0000 (20:56 -0700)]
Merge branch 'tracing-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (44 commits)
vsnprintf: remove duplicate comment of vsnprintf
softirq: add BLOCK_IOPOLL to softirq_to_name
oprofile: fix oprofile regression: select RING_BUFFER_ALLOW_SWAP
tracing: switch function prints from %pf to %ps
vsprintf: add %ps that is the same as %pS but is like %pf
tracing: Fix minor bugs for __unregister_ftrace_function_probe
tracing: remove notrace from __kprobes annotation
tracing: optimize global_trace_clock cachelines
MAINTAINERS: Update tracing tree details
ftrace: document function and function graph implementation
tracing: make testing syscall events a separate configuration
tracing: remove some unused macros
ftrace: add compile-time check on F_printk()
tracing: fix F_printk() typos
tracing: have TRACE_EVENT macro use __flags to not shadow parameter
tracing: add static to generated TRACE_EVENT functions
ring-buffer: typecast cmpxchg to fix PowerPC warning
tracing: add filter event logic to special, mmiotrace and boot tracers
tracing: remove trace_event_types.h
tracing: use the new trace_entries.h to create format files
...
Linus Torvalds [Fri, 18 Sep 2009 03:54:49 +0000 (20:54 -0700)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: Add pata_atp867x driver for Artop/Acard ATP867X controllers
pata_amd: do not filter out valid modes in nv_mode_filter
sata_promise: update reset code
sata_promise: disable hotplug on 1st gen chips
libata: fix spurious WARN_ON_ONCE() on port freeze
ahci: restore pci_intx() handling
Linus Torvalds [Fri, 18 Sep 2009 03:54:12 +0000 (20:54 -0700)]
Merge git://git./linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc: Update defconfigs.
sparc: Kill PROM console driver.
Linus Torvalds [Fri, 18 Sep 2009 03:53:52 +0000 (20:53 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (66 commits)
be2net: fix some cmds to use mccq instead of mbox
atl1e: fix 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA
pkt_sched: Fix qstats.qlen updating in dump_stats
ipv6: Log the affected address when DAD failure occurs
wl12xx: Fix print_mac() conversion.
af_iucv: fix race when queueing skbs on the backlog queue
af_iucv: do not call iucv_sock_kill() twice
af_iucv: handle non-accepted sockets after resuming from suspend
af_iucv: fix race in __iucv_sock_wait()
iucv: use correct output register in iucv_query_maxconn()
iucv: fix iucv_buffer_cpumask check when calling IUCV functions
iucv: suspend/resume error msg for left over pathes
wl12xx: switch to %pM to print the mac address
b44: the poll handler b44_poll must not enable IRQ unconditionally
ipv6: Ignore route option with ROUTER_PREF_INVALID
bonding: make ab_arp select active slaves as other modes
cfg80211: fix SME connect
rc80211_minstrel: fix contention window calculation
ssb/sdio: fix printk format warnings
p54usb: add Zcomax XG-705A usbid
...
Linus Torvalds [Fri, 18 Sep 2009 03:52:32 +0000 (20:52 -0700)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits)
MIPS: BCM63xx: Add integrated ethernet mac support.
MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.
MIPS: BCM63xx: Add Broadcom 63xx CPU definitions.
MIPS: Octeon: Move some platform device registration to its own file.
MIPS: Don't corrupt page tables on vmalloc fault.
MIPS: Shrink the size of tlb handler
MIPS: Alchemy: override loops_per_jiffy detection
MIPS: hw_random: Add hardware RNG for Octeon SOCs.
MIPS: Octeon: Add hardware RNG platform device.
MIPS: Remove useless zero initializations.
MIPS: Alchemy: get rid of allow_au1k_wait
MIPS: Octeon: Set kernel_uses_llsc to false on non-SMP builds.
MIPS: Allow kernel use of LL/SC to be separate from the presence of LL/SC.
MIPS: Get rid of CONFIG_CPU_HAS_LLSC
MIPS: Malta: Remove pointless use use of CONFIG_CPU_HAS_LLSC
MIPS: Rewrite clearing of ll_bit on context switch in C
MIPS: Rewrite sysmips(MIPS_ATOMIC_SET, ...) in C with inline assembler
MIPS: Consolidate all CONFIG_CPU_HAS_LLSC use in a single C file.
MIPS: Clean up linker script using new linker script macros.
MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE.
...
H. Peter Anvin [Thu, 17 Sep 2009 21:40:19 +0000 (14:40 -0700)]
Merge branch 'x86/pat' into x86/urgent
Merge reason:
Suresh Siddha (1):
x86, pat: don't use rb-tree based lookup in reserve_memtype()
... requires previous x86/pat commits already pushed to Linus.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Suresh Siddha [Wed, 16 Sep 2009 21:28:03 +0000 (14:28 -0700)]
x86, pat: don't use rb-tree based lookup in reserve_memtype()
Recent enhancement of rb-tree based lookup exposed a bug with the lookup
mechanism in the reserve_memtype() which ensures that there are no conflicting
memtype requests for the memory range.
memtype_rb_search() returns an entry which has a start address <= new start
address. And from here we traverse the linear linked list to check if there
any conflicts with the existing mappings. As the rbtree is based on the
start address of the memory range, it is quite possible that we have several
overlapped mappings whose start address is much less than new requested start
but the end is >= new requested end. This results in conflicting memtype
mappings.
Same bug exists with the old code which uses cached_entry from where
we traverse the linear linked list. But the new rb-tree code exposes this
bug fairly easily.
For now, don't use the memtype_rb_search() and always start the search from
the head of linear linked list in reserve_memtype(). Linear linked list
for most of the systems grow's to few 10's of entries(as we track memory type
of RAM pages using struct page). So we should be ok for now.
We still retain the rbtree and use it to speed up free_memtype() which
doesn't have the same bug(as we know what exactly we are searching for
in free_memtype).
Also use list_for_each_entry_from() in free_memtype() so that we start
the search from rb-tree lookup result.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
LKML-Reference: <
1253136483.4119.12.camel@sbs-t61.sc.intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
John(Jung-Ik) Lee [Tue, 15 Sep 2009 04:32:33 +0000 (21:32 -0700)]
libata: Add pata_atp867x driver for Artop/Acard ATP867X controllers
This is a new pata driver for ARTOP 867X 64bit 4-channel UDMA133 ATA ctrls.
Based on the Atp867 data sheet rev 1.2, Acard, and in part on early ide codes
from Eric Uhrhane <ericu@google.com>.
Signed-off-by: John(Jung-Ik) Lee <jilee@google.com>
Reviewed-by: Grant Grundler <grundler@google.com>
Reviewed-by: Gwendal Gringo <gwendal@google.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Robert Hancock [Sun, 13 Sep 2009 05:54:47 +0000 (23:54 -0600)]
pata_amd: do not filter out valid modes in nv_mode_filter
On a Compaq Presario V3000 laptop (NVIDIA MCP51 chipset), pata_amd selects
PIO0 mode for the PATA DVD-RAM drive instead of MWDMA2 which it supports:
ata4.00: ATAPI: HL-DT-ST DVDRAM GSA-4084N, KQ09, max MWDMA2
ata4: nv_mode_filter: 0x39f&0x7001->0x1, BIOS=0x0 (0x0) ACPI=0x7001 (60:600:0x11)
ata4.00: configured for PIO0
For some reason, the BIOS-set UDMA configuration returns 0 and the ACPI _GTM
reports that UDMA2 and PIO0 are enabled. This causes nv_mode_filter to end up
allowing only PIO0 and UDMA0-2. Since the drive doesn't support UDMA we end up
using PIO0.
Since the controllers should always support PIO4, MWDMA2 and UDMA2 regardless
of what cable type is used, let's make sure we don't filter out these modes
regardless of what wacky settings the BIOS is using.
Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Mikael Pettersson [Tue, 15 Sep 2009 13:08:47 +0000 (15:08 +0200)]
sata_promise: update reset code
sata_promise's reset code has deviated quite a bit from
the Promise reference driver's, and it has been observed
to fail to recover from errors in some cases.
This patch thus updates the reset code to more closely
match the reference driver:
- soft reset (pdc_reset_port):
* wait for ATA engine to not be in packet command mode
(2nd gen only)
* write reset bit in PDC_CTLSTAT before the first read
in the loop
* for 2nd gen SATA follow up with FPDMA reset and clearing
error status registers
- hard reset (pdc_sata_hardreset):
* wait for ATA engine to not be in packet command mode
(2nd gen only)
* reset ATA engine via the PCI control register
* Tejun's change to use non-waiting hardreset + follow-up SRST
I'm not changing the hotplug mask bits since they are taken care
of by sata_promise's ->freeze() and ->thaw() operations. And I'm
not writing the PMP port # because that's always zero (for now).
Tested here on various controllers. In particular, one disk
which used to timeout and fail to recover from certain hdparm
and smartmonctl commands now works nicely.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Mikael Pettersson [Tue, 15 Sep 2009 13:07:32 +0000 (15:07 +0200)]
sata_promise: disable hotplug on 1st gen chips
1st generation Promise SATA chips are prone to generating spurious
hotplug events which can disrupt normal operation. This has been
observed on 20376 and 20378 chips. This patch thus disables hotplug
support on 1st gen chips while leaving it enabled for 2nd gen chips.
The pdc_sata_hotplug_offset() function becomes redundant so it is
removed.
Tested on 1st gen 20376 and 20378 mainboard chips and on a 2nd gen
SATA300 PCI card.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Tested-by: Kurt Roeckx <kurt@roeckx.be>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Tejun Heo [Thu, 17 Sep 2009 09:45:27 +0000 (18:45 +0900)]
libata: fix spurious WARN_ON_ONCE() on port freeze
Commit
54c38444fad6a99b4b19512f8f0055d69115e69e makes libata abort qcs
after the port is frozen. This is necessary to guarantee that TF
registers are accessed after the DMA engine is shutdown after an
error. However, this triggers WARN_ON_ONCE() check in
ata_qc_complete() spuriously. Move WARN_ON_ONCE() downwards such that
failing commands while frozen doesn't trigger it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Tejun Heo [Wed, 16 Sep 2009 15:34:39 +0000 (00:34 +0900)]
ahci: restore pci_intx() handling
Commit
a5bfc4714b3f01365aef89a92673f2ceb1ccf246 dropped explicit
pci_intx() manipulation from ahci because it seemed unnecessary and
ahci doesn't seem to be the right place to be tweaking it if it were.
This was largely okay but there are exceptions. There was one on an
embedded platform which was fixed via firmware and now bko#14124
reports it on a HP DL320.
http://bugzilla.kernel.org/show_bug.cgi?id=14124
I still think this isn't something libata drivers should be caring
about (the only ones which are calling pci_intx() explicitly are
libata ones and one other driver) but for now reverting the change
seems to be the right thing to do.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Linus Torvalds [Thu, 17 Sep 2009 20:21:52 +0000 (13:21 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Fix MSI GX620 mixer
ASoC: remove unused #include <linux/version.h>
ASoC: S3C lrsync function made to work with IRQs disabled.
ALSA: hda - Fix Dell S14 pin setup
ALSA: hda - Fix IDT92HD83* codec setup
ASoC: Fix display of stream name in DAPM debugfs
ALSA: hda - Add support for HP dv6
ALSA: hda - Fix HP/line-out initialization with IDT/STAC codecs
ALSA: hda - Set default GPIO for IDT92HD71bxx
ALSA: hda - Set default GPIO for STAC/IDT codecs
ASoC: Clean up error handling in MPC5200 DMA setup
ALSA: hda - Add missing model=auto entry for ALC269
Steven Rostedt [Thu, 17 Sep 2009 13:27:29 +0000 (09:27 -0400)]
vsnprintf: remove duplicate comment of vsnprintf
Remove the duplicate comment of bstr_printf that is the same as the
vsnprintf.
Add the 's' option to the comment for the pointer function. This is
more of an internal function so the little duplication of the comment
here is OK.
Reported-by: Zhaolei <zhaolei@cn.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Li Zefan [Thu, 17 Sep 2009 09:38:32 +0000 (17:38 +0800)]
softirq: add BLOCK_IOPOLL to softirq_to_name
With BLOCK_IOPOLL_SOFTIRQ added, softirq_to_name[] and
show_softirq_name() needs to be updated.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <
4AB20398.
8070209@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Christian Borntraeger [Wed, 16 Sep 2009 19:56:49 +0000 (21:56 +0200)]
oprofile: fix oprofile regression: select RING_BUFFER_ALLOW_SWAP
commit
85bac32c4a52c592b857f2c360cc5ec93a097d70
ring-buffer: only enable ring_buffer_swap_cpu when needed
broke oprofile (at least on s390, but likely on all platforms).
this patch lets oprofile select RING_BUFER_ALLOW_SWAP to make
ring_buffer_swap_cpu usable for oprofile.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
LKML-Reference: <
200909162156.49239.borntraeger@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Robert Richter <robert.richter@amd.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Steven Rostedt [Thu, 17 Sep 2009 04:05:58 +0000 (00:05 -0400)]
tracing: switch function prints from %pf to %ps
For direct function pointers (like what mcount provides) PowerPC64
requires the use of %ps, otherwise nothing is printed.
This patch converts all prints of functions retrieved through mcount
to use the %ps format from the %pf.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Steven Rostedt [Thu, 17 Sep 2009 00:03:06 +0000 (20:03 -0400)]
vsprintf: add %ps that is the same as %pS but is like %pf
On PowerPC64 function pointers do not point directly at the functions,
but instead point to pointers to the functions. The output of %pF expects
to point to a pointer to the function, whereas %pS will show the function
itself.
mcount returns the direct pointer to the function and not the pointer to
the pointer. Thus %pS must be used to show this. The function tracer
requires printing of the functions without offsets and uses the %pf
instead.
%pF produces run_local_timers+0x4/0x1f
%pf produces just run_local_timers
For PowerPC64, we need to use the direct pointer, and we only have
%pS which will produce .run_local_timers+0x4/0x1f
This patch creates a %ps that matches the %pf as %pS matches %pF.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Zhao Lei <zhaolei@cn.fujitsu.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Takashi Iwai [Thu, 17 Sep 2009 19:08:56 +0000 (21:08 +0200)]
Merge branch 'fix/hda' into for-linus
* fix/hda:
ALSA: hda - Fix MSI GX620 mixer
ALSA: hda - Fix Dell S14 pin setup
ALSA: hda - Fix IDT92HD83* codec setup
ALSA: hda - Add support for HP dv6
ALSA: hda - Fix HP/line-out initialization with IDT/STAC codecs
ALSA: hda - Set default GPIO for IDT92HD71bxx
ALSA: hda - Set default GPIO for STAC/IDT codecs
ALSA: hda - Add missing model=auto entry for ALC269
Takashi Iwai [Thu, 17 Sep 2009 19:08:53 +0000 (21:08 +0200)]
Merge branch 'fix/asoc' into for-linus
* fix/asoc:
ASoC: remove unused #include <linux/version.h>
ASoC: S3C lrsync function made to work with IRQs disabled.
ASoC: Fix display of stream name in DAPM debugfs
ASoC: Clean up error handling in MPC5200 DMA setup
Ingo Molnar [Thu, 17 Sep 2009 18:52:23 +0000 (20:52 +0200)]
Merge branch 'linus' into tracing/core
Merge reason: Pick up kernel/softirq.c update for dependent fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Maxime Bizon [Tue, 18 Aug 2009 12:23:40 +0000 (13:23 +0100)]
MIPS: BCM63xx: Add integrated ethernet mac support.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Maxime Bizon [Tue, 18 Aug 2009 12:23:37 +0000 (13:23 +0100)]
MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Maxime Bizon [Tue, 18 Aug 2009 12:23:37 +0000 (13:23 +0100)]
MIPS: BCM63xx: Add Broadcom 63xx CPU definitions.
Todo: Nothing ever detects CPU_BCM6338 but the code tests for it anyway.
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Wed, 16 Sep 2009 21:54:18 +0000 (14:54 -0700)]
MIPS: Octeon: Move some platform device registration to its own file.
There is a bunch of platform device registration in
arch/mips/cavium-octeon/setup.c. We move it to its own file in
preparation for adding more platform devices.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Wed, 2 Sep 2009 22:47:34 +0000 (15:47 -0700)]
MIPS: Don't corrupt page tables on vmalloc fault.
The code after the vmalloc_fault: label in do_page_fault() modifies
user page tables, this is not correct for 64-bit kernels.
For 64-bit kernels we should go straight to the no_context handler
skipping vmalloc_fault.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Fei [Thu, 3 Sep 2009 14:29:53 +0000 (22:29 +0800)]
MIPS: Shrink the size of tlb handler
By combining swapper_pg_dir and module_pg_dir, several if conditions
can be eliminated from the tlb exception handler. The reason they
can be combined is that, the effective virtual address of vmalloc
returned is at the bottom, and of module_alloc returned is at the
top. It also fixes the bug in vmalloc(), which happens when its
return address is not covered by the first pgd.
Signed-off-by: Wu Fei <at.wufei@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Manuel Lauss [Thu, 27 Aug 2009 17:21:18 +0000 (19:21 +0200)]
MIPS: Alchemy: override loops_per_jiffy detection
loops_per_jiffy depends on coreclk speed; preset it instead of
letting the kernel waste precious microseconds trying to approximate it.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 20 Aug 2009 21:10:23 +0000 (14:10 -0700)]
MIPS: hw_random: Add hardware RNG for Octeon SOCs.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 20 Aug 2009 21:10:22 +0000 (14:10 -0700)]
MIPS: Octeon: Add hardware RNG platform device.
Add a platform device for the Octeon Random Number Generator (RNG).
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 17 Sep 2009 00:25:07 +0000 (02:25 +0200)]
MIPS: Remove useless zero initializations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Manuel Lauss [Sat, 22 Aug 2009 16:09:27 +0000 (18:09 +0200)]
MIPS: Alchemy: get rid of allow_au1k_wait
Eliminate the 'allow_au1k_wait' variable. MIPS kernel installs the
Alchemy-specific wait code before timer initialization; if the C0
timer must be used for timekeeping the wait function is set to NULL
which means no wait implementation is available.
As a sideeffect, the 'wait instruction available' output in
/proc/cpuinfo now correctly indicates whether 'wait' is usable.
Run-tested on DB1200.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Mon, 13 Jul 2009 18:15:20 +0000 (11:15 -0700)]
MIPS: Octeon: Set kernel_uses_llsc to false on non-SMP builds.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Mon, 13 Jul 2009 18:15:19 +0000 (11:15 -0700)]
MIPS: Allow kernel use of LL/SC to be separate from the presence of LL/SC.
On some CPUs, it is more efficient to disable and enable interrupts in the
kernel rather than use ll/sc for atomic operations. But if we were to set
cpu_has_llsc to false, we would break the userspace futex interface (in
asm/futex.h).
We separate the two concepts, with a new predicate kernel_uses_llsc, that
lets us disable the kernel's use of ll/sc while still allowing the futex
code to use it.
Also there were a couple of cases in bitops.h where we were using ll/sc
unconditionally even if cpu_has_llsc were false.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 17 Sep 2009 00:25:06 +0000 (02:25 +0200)]
MIPS: Get rid of CONFIG_CPU_HAS_LLSC
CONFIG_CPU_HAS_LLSC duplicated the function of cpu_has_llsc for no good
reason and and the results if the one was enabled and the other disabled
was very unobvious. Remove it now that there are no more remaining users.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 17 Sep 2009 00:25:06 +0000 (02:25 +0200)]
MIPS: Malta: Remove pointless use use of CONFIG_CPU_HAS_LLSC
All CPUs for Malta support LL/SC.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 17 Sep 2009 00:25:05 +0000 (02:25 +0200)]
MIPS: Rewrite clearing of ll_bit on context switch in C
This also means there is now only one implementation not 3 left.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 17 Sep 2009 00:25:05 +0000 (02:25 +0200)]
MIPS: Rewrite sysmips(MIPS_ATOMIC_SET, ...) in C with inline assembler
This way it doesn't have to use CONFIG_CPU_HAS_LLSC anymore.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 17 Sep 2009 00:25:05 +0000 (02:25 +0200)]
MIPS: Consolidate all CONFIG_CPU_HAS_LLSC use in a single C file.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Nelson Elhage [Fri, 31 Jul 2009 20:58:19 +0000 (16:58 -0400)]
MIPS: Clean up linker script using new linker script macros.
This patch results in fewer output sections and in some data being
reordered, but should have no functional impact.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Nelson Elhage [Fri, 31 Jul 2009 20:58:18 +0000 (16:58 -0400)]
MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE.
Now that PAGE_SIZE is available to assembly directly, there is no need
to separately expose it as _PAGE_SIZE through asm-offsets.
In addition, remove _PAGE_SHIFT from asm-offsets, since it was never
needed, and is not used anywhere.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Christoph Hellwig [Tue, 4 Aug 2009 14:54:04 +0000 (16:54 +0200)]
MIPS: Convert to asm-generic/hardirq.h
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Florian Fainelli [Wed, 15 Jul 2009 10:09:34 +0000 (12:09 +0200)]
MIPS: AR7: Make board code register ar7_wdt as a platform device
This patch makes the board code register the ar7_wdt driver as a platform
device. We move the dynamic resource calculation here since the driver
should not be aware of the AR7 SoC version it is running on.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:28:04 +0000 (23:28 +0800)]
MIPS: Loongson: Update the default config file for fuloong2e
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:27:41 +0000 (23:27 +0800)]
MIPS: Loongson: Add GCC 4.4 support for Loongson2E
Because only gcc >=4.4 have loongson-specific support, we need to choose
the suitable -march argument for gcc <= 4.3 and gcc >= 4.4, and here, we
use -march=loongson2e for loongson2e.
Thanks goes to Arnaud Patard <apatard@mandriva.com> for suggestion of
using cc-options(Documentation/kbuild/makefiles.txt). and thanks Zhang
Le for introducing the new CPU_LOONGSON2E kernel option.
NOTE: -mtune option is not need if -march and -mtune use the same value.
Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:27:12 +0000 (23:27 +0800)]
MIPS: Loongson: Add a machtype kernel command line argument
The difference between some loongson-based machines is very small, so, if
there is no necessary to add new kernel config options to cope with this
difference, it will be better to share the same kernel image file between
them, benefit from this, the linux distribution developers only have a need
to compile the kernel one time.
This machtype kernel command line argument will be used later to share the
same kernel image file between two different machines(menglong & yeeloong)
made by lemote.
Thanks very much to Zhang Le for cleaning up the machtype implementation.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:26:45 +0000 (23:26 +0800)]
MIPS: Loongson: Split common loongson source code out
To share common loongson source code between all of the loongson-based
machines. there is a need to split it out of the fuloong-2e/ directory.
at the same time, other according tuning is needed. the machine-specific
parts are defined as macros in relative header file, pci.h, mem.h,
machine.h.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:26:08 +0000 (23:26 +0800)]
MIPS: Loongson: Change naming methods
To make source code of loongson sharable to the machines(such as gdium)
made by the other companies, we rename arch/mips/lemote to
arch/mips/loongson, asm/mach-lemote to asm/mach-loongson, and rename lm2e
to the name of the machine: fuloong-2e. accordingly, FULONG are renamed to
FULOONG2E to make it distinguishable to the future FULOONG2F. and also,
some other relative tuning is needed.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:25:46 +0000 (23:25 +0800)]
MIPS: Loongson: Add oprofile support
This kernel support is needed by the user-space tool:oprofile to profile
linux kernel or applications via loongson2 performance counters. you can
enable this driver via CONFIG_OPROFILE = y or m.
On Loongson2 there are two performance counters, each one can count 16
events respectively. when anyone of the performance counter overflows, an
interrupt will be generated and is routed to the IRQ MIPS_CPU_IRQ_BASE + 6.
Signed-off-by: Yanhua <yanh@lemote.com>
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:24:01 +0000 (23:24 +0800)]
MIPS: Loongson: RTC: Enable legacy RTC driver on fulong
RTC_LIB is selected by MIPS by default, and therefore, the legacy RTC
driver is disabled. but fortunately, RTC_LIB not works on fulong, so,
enabling the legcy RTC driver is needed, otherwise, the tools like
hwclock will not work.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:23:30 +0000 (23:23 +0800)]
MIPS: Loongson: PCI: Clean up pcimap setup
Fixup the wrong original comment of pcimap, and make the source code more
understandable. and also, some new extra consideration is added in.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:23:03 +0000 (23:23 +0800)]
MIPS: Loongson: clean up the coding style
With the help of script/checkpatch.pl, i have cleaned up the coding
style.
1. remove un-needed header files and tune some comments.
2. remove some un-needed { }
add a new header file loongson.h:
3. move some common header files to loongson.h
4. move some common extern declartions to loongson.h
and this new header file is needed for future loongson2f support.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:22:36 +0000 (23:22 +0800)]
MIPS: Loongson: Split the implementation of prom and setup parts
This patch split the old initilization and setup implementation to
several file, one file one logic function.
the other main changes include:
1. as the script/checkpatch.pl suggests, use strict_strtol instead
of simple_strtol in arch/mips/lemote/lm2e/cmdline.c
2. use the existed macros in asm/mips-boards/bonito64.h as the
arguments of set_io_port_base() and remove the un-needed ones in
asm/mach-lemote/pci.h
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:22:11 +0000 (23:22 +0800)]
MIPS: Loongson: PCI: use existing mips_io_port_base
mips_io_port_base is initialized via set_io_port_base() in
arch/mips/lemote/lm2e/setup.c, we can use it directly here.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:21:27 +0000 (23:21 +0800)]
MIPS: Loongson: pm: clean up the reboot support
Several magic numbers have been replaced by relative macros, which will be
more readable and understandable.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:20:56 +0000 (23:20 +0800)]
MIPS: Loongson: pm: Remove redundant source code
The implmentation of loongson2e_power_off and loongson2e_halt is almostly
the same, just preserve one of them.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:20:20 +0000 (23:20 +0800)]
MIPS: Loongson: Add new early_printk implmentation
This patch is based on the implementation in the lm2e-fixes branch of
Philippe's git://git.linux-cisco.org/linux-mips.git and the
malta-specific early_printk implementation.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:19:33 +0000 (23:19 +0800)]
MIPS: Loongson: Remove out-of-date board-specific kgdb source code
Since the re-implementation of kgdb by commit
8854700115ecf8aa6f087aa915b7b6cf18090d39 the platform-specific version
has become superfluous, remove it.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:18:09 +0000 (23:18 +0800)]
MIPS: Loongson: Remove existing early_printk implementation
Removes the existing implementation of early_printk for fulong. The old
implementation was based on the outdated board-specific dbg_io.c.
Since commit
8d60a903d986ffa26c41f0092320a3b9da20bfaf dbg_io.c is not longer
needed; it will be removed by the next patch, and a new implementation of
early_printk will be added later.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 21:04:59 +0000 (23:04 +0200)]
MIPS: IP22, IP28: Build with -Werror
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 20:58:23 +0000 (22:58 +0200)]
MIPS: FW: Build with -Werror
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 13:00:02 +0000 (15:00 +0200)]
MIPS: Fulong: Convert reset initialization to initcall.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 12:50:39 +0000 (14:50 +0200)]
MIPS: Malta: Convert reset initialization to initcall.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 11:36:13 +0000 (13:36 +0200)]
MIPS: Get rid of duplicate cpu_idle() prototype.
Since 2.6.11-rc1 there is a prototype in <linux/smp.h>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Julia Lawall [Sun, 13 Sep 2009 19:15:18 +0000 (21:15 +0200)]
MIPS: TXx9: Fix error handling.
Error handling code following a kzalloc should free the allocated data.
Error handling code following an ioremap should iounmap the allocated data.
The semantic match that finds the first problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,f1,l;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
(
x->f1 = E
|
(x->f1 == NULL || ...)
|
f(...,x->f1,...)
)
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Fri, 4 Sep 2009 13:09:04 +0000 (22:09 +0900)]
MIPS: TXx9: Disable PM capability of TX493[89] internal ether
Some TC35815 variants (i.e. TX493[89] internal ether) report existance of
PM registers though they are not supported. Disable PM features by
clearing pdev->pm_cap.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Nelson Elhage [Fri, 31 Jul 2009 20:58:17 +0000 (16:58 -0400)]
MIPS: make page.h constants available to assembly.
page.h includes ifndef __ASSEMBLY__ guards, but PAGE_SIZE and some other
constants are defined using "1UL", which the assembler does not support.
Use the _AC macro from const.h to make them available to assembly (and
linker scripts).
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Manuel Lauss [Fri, 28 Aug 2009 09:26:58 +0000 (11:26 +0200)]
MIPS: Alchemy: add gpio_request/gpio_free stubs for CONFIG_GPIOLIB=n
Some drivers use gpio_request/gpio_free regardless of whether
gpiolib is actually built; add stubs to work around the ensuing
compile failures.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Alexey Dobriyan [Wed, 12 Aug 2009 19:59:27 +0000 (23:59 +0400)]
MIPS: Lasat: Fix compilation
Header needed for current_cpu_data which expands to smp_processor_id().
However, linux/smp.h can't be included into asm/cpu-info.h due to horrible
circular dependencies, so plug it here.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 20 Aug 2009 19:35:53 +0000 (12:35 -0700)]
MIPS: Octeon: Check all CCAs in cvmx_write_csr.
The current code only checks CCA of 0 when deciding if a dummy read is
needed. Since the kernel can (and does) use other CCAs we need to
mask out the CCA bits from the address. Since the address constant
now fits in 16 bits, there is an added benefit that smaller code is
generated.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Roel Kluin [Wed, 26 Aug 2009 12:48:35 +0000 (14:48 +0200)]
MIPS: Octeon: False positive timeout
If we reach the test just below the loop with a `timeout' value of 0,
this does not mean that the timeout caused the loop to end, but rather
the `smi_rd.s.pending', in the last iteration. If timeout caused the
loop to end, then `timeout' is -1, not 0.
Since this can occur only in the last iteration, it is not very likely
to be a problem. By changing the post- to prefix decrement we ensure
that a timeout of 0 does mean it timed out.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Fri, 28 Aug 2009 11:29:58 +0000 (12:29 +0100)]
MIPS: Fix potencial build error in <asm/delay.h>
<asm/delay.h> will break if HZ isn't defined. In 2.6.26 and later we're
usually lucky ...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Sathya Perla [Thu, 17 Sep 2009 17:30:13 +0000 (10:30 -0700)]
be2net: fix some cmds to use mccq instead of mbox
All cmds issued to BE after the creation of mccq must now use the mcc-q
(and not mbox) to avoid a hw issue that results in mbox poll timeout.
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jie Yang [Thu, 17 Sep 2009 17:27:28 +0000 (10:27 -0700)]
atl1e: fix 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA
use the wrong API when free dma. So when map dma use a flag to
demostrate whether it is 'pci_map_single' or 'pci_map_page'. When free
the dma, check the flags to select the right APIs('pci_unmap_single'
or 'pci_unmap_page').
set the flags type to u16 instead of unsigned long on David's comments.
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jarek Poplawski [Thu, 17 Sep 2009 17:26:07 +0000 (10:26 -0700)]
pkt_sched: Fix qstats.qlen updating in dump_stats
Some classful qdiscs miss qstats.qlen updating with q.qlen of their
child qdiscs in dump_stats methods.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jens Rosenboom [Thu, 17 Sep 2009 17:24:24 +0000 (10:24 -0700)]
ipv6: Log the affected address when DAD failure occurs
If an interface has multiple addresses, the current message for DAD
failure isn't really helpful, so this patch adds the address itself to
the printk.
Signed-off-by: Jens Rosenboom <me@jayr.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 17 Sep 2009 17:18:30 +0000 (10:18 -0700)]
wl12xx: Fix print_mac() conversion.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Thu, 17 Sep 2009 16:55:52 +0000 (09:55 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/bp/bp
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: check NB MCE bank enable on the current node properly
amd64_edac: Rewrite unganged mode code of f10_early_channel_count
amd64_edac: cleanup amd64_check_ecc_enabled
x86, EDAC: Provide function to return NodeId of a CPU
amd64_edac: build driver only on AMD hardware
Linus Torvalds [Thu, 17 Sep 2009 16:54:37 +0000 (09:54 -0700)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (39 commits)
xfs: includecheck fix for fs/xfs/xfs_iops.c
xfs: switch to seq_file
xfs: Record new maintainer information
xfs: use correct log reservation when handling ENOSPC in xfs_create
xfs: xfs_showargs() reports group *and* project quotas enabled
xfs: un-static xfs_inobt_lookup
xfs: actually enable the swapext compat handler
xfs: simplify xfs_trans_iget
xfs: merge fsync and O_SYNC handling
xfs: speed up free inode search
xfs: rationalize xfs_inobt_lookup*
xfs: untangle xfs_dialloc
xfs: factor out debug checks from xfs_dialloc and xfs_difree
xfs: improve xfs_inobt_update prototype
xfs: improve xfs_inobt_get_rec prototype
xfs: factor out inode initialisation
fs/xfs: Correct redundant test
xfs: remove XFS_INO64_OFFSET
un-static xfs_read_agf
xfs: add more statics & drop some unused functions
...
Linus Torvalds [Thu, 17 Sep 2009 16:53:04 +0000 (09:53 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (75 commits)
Blackfin: update ftrace for latest toolchain
Blackfin: fix elf_fpregset_t definition
Blackfin: unify cache init functions
Blackfin: swap clocksource ratings for gptimer/cycles
Blackfin: update ftrace_push_return_trace() breakage
Blackfin: update cm board resources
Blackfin: cm-bf537u: split board from cm-bf537e
Blackfin: bf538-ezkit: add SPI IRQ resources
Blackfin: increase default async timings for parallel flashes
Blackfin: add ICPLB coverage for async banks
Blackfin: use KERN_ALERT in all kgdb_test output
Blackfin: fix BF54x SPI CS resources
Blackfin: fix typo in isram_write()
Blackfin: bf537-stamp: add adp5588 gpio resources
Blackfin: add some isram-driver self tests
Blackfin: workaround anomaly
05000283
Blackfin: fix spelling in a few comments
Blackfin: use raw_smp_processor_id() in exception code
Blackfin: remove useless duplicated assignment in gpio code
Blackfin: Fix link errors with binutils 2.19 and GCC 4.3
...
Linus Torvalds [Thu, 17 Sep 2009 16:52:43 +0000 (09:52 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits)
m68knommu: Make PAGE_SIZE available to assembly files.
m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
m68knommu: set multi-function pins for ethernet when enabled
m68knommu: remove special interrupt handling code for ne2k support
m68knommu: relax IO_SPACE_LIMIT setting
m68knommu: remove ColdFire direct interrupt register access
m68knommu: create a speciailized ColdFire 5272 interrupt controller
m68knommu: add support for second interrupt controller of ColdFire 5249
m68knommu: clean up old ColdFire timer irq setup
m68knommu: map ColdFire interrupts to correct masking bits
m68knommu: clean up ColdFire 532x CPU timer setup
m68knommu: simplify ColdFire "timers" clock initialization
m68knommu: support code to mask external interrupts on old ColdFire CPU's
m68knommu: merge old ColdFire interrupt controller masking macros
m68knommu: remove duplicate ColdFire mcf_autovector() code
m68knommu: move ColdFire INTC definitions to new include file
m68knommu: mask off all interrupts in ColdFire intc-simr controller
m68knommu: remove timer device interrupt setup for ColdFire 532x
m68knommu: remove interrupt masking from ColdFire pit timer
m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup
...
Linus Torvalds [Thu, 17 Sep 2009 16:47:35 +0000 (09:47 -0700)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm85) Don't bind to Winbond/Nuvoton WPCD377I
hwmon: (pcf8591) Documentation clean-ups
hwmon: Clearly mark ACPI drivers as such
hwmon: Use resource_size
hwmon: Include <linux/io.h> instead of <asm/io.h>
hwmon: (tmp421) Add documentation
hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips
hwmon-vid: Ignore 6th VID pin of AMD family 0Fh processors
hwmon: (asus_atk0110) Add maintainer information
hwmon: (abituguru3) Support multiple DMI strings per chip ID
Linus Torvalds [Thu, 17 Sep 2009 16:44:09 +0000 (09:44 -0700)]
Merge branch 'for-upstream' of git://git./linux/kernel/git/dvrabel/uwb
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb:
uwb: avoid radio controller reset loops
uwb: stop uwbd thread if rc->start() fails
uwb: handle radio controller events with out-of-range IDs correctly
Takashi Iwai [Thu, 17 Sep 2009 16:23:00 +0000 (18:23 +0200)]
ALSA: hda - Fix MSI GX620 mixer
The headphone and speaker mixer elements aren't properly set for
MSI GX620 with targa-8ch-dig quirk.
Also fixed the speaker volume control for other ALC883-targa quirks,
too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Peter Zijlstra [Thu, 17 Sep 2009 07:01:14 +0000 (09:01 +0200)]
sched: Fix SD_POWERSAVING_BALANCE|SD_PREFER_LOCAL vs SD_WAKE_AFFINE
The SD_POWERSAVING_BALANCE|SD_PREFER_LOCAL code can break out of
the domain iteration early, making us miss the SD_WAKE_AFFINE bits.
Fix this by continuing iteration until there is no need for a
larger domain.
This also cleans up the cgroup stuff a bit, but not having two
update_shares() invocations.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Peter Zijlstra [Thu, 17 Sep 2009 07:01:20 +0000 (09:01 +0200)]
sched: Stop buddies from hogging the system
Clear buddies more agressively.
The (theoretical, haven't actually observed any of this) problem is
that when we do not select either buddy in pick_next_entity()
because they are too far ahead of the left-most task, we do not
clear the buddies.
This means that as soon as we service the left-most task, these
same buddies will be tried again on the next schedule. Now if the
left-most task was a pure hog, it wouldn't have done any wakeups
and it wouldn't have set buddies of its own. That leads to the old
buddies dominating, which would lead to bad latencies.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Peter Zijlstra [Wed, 16 Sep 2009 10:31:31 +0000 (12:31 +0200)]
sched: Add new wakeup preemption mode: WAKEUP_RUNNING
Create a new wakeup preemption mode, preempt towards tasks that run
shorter on avg. It sets next buddy to be sure we actually run the task
we preempted for.
Test results:
root@twins:~# while :; do :; done &
[1] 6537
root@twins:~# while :; do :; done &
[2] 6538
root@twins:~# while :; do :; done &
[3] 6539
root@twins:~# while :; do :; done &
[4] 6540
root@twins:/home/peter# ./latt -c4 sleep 4
Entries: 48 (clients=4)
Averages:
------------------------------
Max 4750 usec
Avg 497 usec
Stdev 737 usec
root@twins:/home/peter# echo WAKEUP_RUNNING > /debug/sched_features
root@twins:/home/peter# ./latt -c4 sleep 4
Entries: 48 (clients=4)
Averages:
------------------------------
Max 14 usec
Avg 5 usec
Stdev 3 usec
Disabled by default - needs more testing.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <new-submission>
Ingo Molnar [Wed, 16 Sep 2009 19:09:13 +0000 (21:09 +0200)]
sched: Fix TASK_WAKING & loadaverage breakage
Fix this:
top - 21:54:00 up 2:59, 1 user, load average: 432512.33, 426421.74, 417432.74
Which happens because we now set TASK_WAKING before activate_task().
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Hendrik Brueckner [Wed, 16 Sep 2009 04:37:28 +0000 (04:37 +0000)]
af_iucv: fix race when queueing skbs on the backlog queue
iucv_sock_recvmsg() and iucv_process_message()/iucv_fragment_skb race
for dequeuing an skb from the backlog queue.
If iucv_sock_recvmsg() dequeues first, iucv_process_message() calls
sock_queue_rcv_skb() with an skb that is NULL.
This results in the following kernel panic:
<1>Unable to handle kernel pointer dereference at virtual kernel address (null)
<4>Oops: 0004 [#1] PREEMPT SMP DEBUG_PAGEALLOC
<4>Modules linked in: af_iucv sunrpc qeth_l3 dm_multipath dm_mod vmur qeth ccwgroup
<4>CPU: 0 Not tainted 2.6.30 #4
<4>Process client-iucv (pid: 4787, task:
0000000034e75940, ksp:
00000000353e3710)
<4>Krnl PSW :
0704000180000000 000000000043ebca (sock_queue_rcv_skb+0x7a/0x138)
<4> R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:0 PM:0 EA:3
<4>Krnl GPRS:
0052900000000000 000003e0016e0fe8 0000000000000000 0000000000000000
<4>
000000000043eba8 0000000000000002 0000000000000001 00000000341aa7f0
<4>
0000000000000000 0000000000007800 0000000000000000 0000000000000000
<4>
00000000341aa7f0 0000000000594650 000000000043eba8 000000003fc2fb28
<4>Krnl Code:
000000000043ebbe:
a7840006 brc 8,43ebca
<4>
000000000043ebc2:
5930c23c c %r3,572(%r12)
<4>
000000000043ebc6:
a724004c brc 2,43ec5e
<4> >
000000000043ebca:
e3c0b0100024 stg %r12,16(%r11)
<4>
000000000043ebd0:
a7190000 lghi %r1,0
<4>
000000000043ebd4:
e310b0200024 stg %r1,32(%r11)
<4>
000000000043ebda:
c010ffffdce9 larl %r1,43a5ac
<4>
000000000043ebe0:
e310b0800024 stg %r1,128(%r11)
<4>Call Trace:
<4>([<
000000000043eba8>] sock_queue_rcv_skb+0x58/0x138)
<4> [<
000003e0016bcf2a>] iucv_process_message+0x112/0x3cc [af_iucv]
<4> [<
000003e0016bd3d4>] iucv_callback_rx+0x1f0/0x274 [af_iucv]
<4> [<
000000000053a21a>] iucv_message_pending+0xa2/0x120
<4> [<
000000000053b5a6>] iucv_tasklet_fn+0x176/0x1b8
<4> [<
000000000014fa82>] tasklet_action+0xfe/0x1f4
<4> [<
0000000000150a56>] __do_softirq+0x116/0x284
<4> [<
0000000000111058>] do_softirq+0xe4/0xe8
<4> [<
00000000001504ba>] irq_exit+0xba/0xd8
<4> [<
000000000010e0b2>] do_extint+0x146/0x190
<4> [<
00000000001184b6>] ext_no_vtime+0x1e/0x22
<4> [<
00000000001fbf4e>] kfree+0x202/0x28c
<4>([<
00000000001fbf44>] kfree+0x1f8/0x28c)
<4> [<
000000000044205a>] __kfree_skb+0x32/0x124
<4> [<
000003e0016bd8b2>] iucv_sock_recvmsg+0x236/0x41c [af_iucv]
<4> [<
0000000000437042>] sock_aio_read+0x136/0x160
<4> [<
0000000000205e50>] do_sync_read+0xe4/0x13c
<4> [<
0000000000206dce>] vfs_read+0x152/0x15c
<4> [<
0000000000206ed0>] SyS_read+0x54/0xac
<4> [<
0000000000117c8e>] sysc_noemu+0x10/0x16
<4> [<
00000042ff8def3c>] 0x42ff8def3c
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>