Alexey Zaytsev [Wed, 24 Jun 2009 12:22:30 +0000 (16:22 +0400)]
PCI: make pci_name() take const argument
Since this function should never modify it (saves warnings when called with
const args too).
Signed-off-by: Alexey Zaytsev <zaytsev@altell.ru>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Alan Cox [Wed, 24 Jun 2009 15:02:27 +0000 (16:02 +0100)]
PCI: More PATA quirks for not entering D3
The ALi loses some state if it goes into D3. Unfortunately even with the
chipset documents I can't figure out how to restore some bits of it.
The VIA one saves/restores apparently fine but the ACPI _GTM methods break
on some platforms if we do this and this causes cable misdetections.
These are both effectively regressions as historically nothing matched the
devices and then decided not to bind to them. Nowdays something is binding
to all sorts of devices and a result they get dumped into D3.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Randy Dunlap [Wed, 24 Jun 2009 16:18:14 +0000 (09:18 -0700)]
PCI: fix kernel-doc warnings
Add documentation for missing parameters in PCI hotplug code.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Yu Zhao [Fri, 26 Jun 2009 06:04:46 +0000 (14:04 +0800)]
PCI: check if bus has a proper bridge device before triggering SBR
For devices attached to the root bus, we can't trigger Secondary Bus
Reset because there is no bridge device associated with the bus. So
need to check bus->self again NULL first before using it.
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Fernando Luis Vázquez Cao [Fri, 26 Jun 2009 02:27:41 +0000 (11:27 +0900)]
PCI: remove pci_dac_dma_... APIs on mn10300
It seems that mn10300 made it upstream after Jan Beulich's pci_dac_dma_*
cleanup work and still defines pci_dac_dma_supported(). This API is not
required by the PCI subsystem anymore, so remove it.
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Joe Perches [Sun, 28 Jun 2009 16:26:40 +0000 (09:26 -0700)]
PCI ECRC: Remove unnecessary semicolons
Acked-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Hidetoshi Seto [Wed, 24 Jun 2009 03:08:27 +0000 (12:08 +0900)]
PCI MSI: Return if alloc_msi_entry for MSI-X failed
In current code it continues setup even if alloc_msi_entry() for MSI-X
is failed due to lack of memory. It means arch_setup_msi_irqs() might
be called with msi_desc entries less than its argument nvec.
At least x86's arch_setup_msi_irqs() uses list_for_each_entry() for
dev->msi_list that suspected to have entries same numbers as nvec, and
it doesn't check the number of allocated vectors and passed arg nvec.
Therefore it will result in success of pci_enable_msix(), with less
vectors allocated than requested.
This patch fixes the error route to return -ENOMEM, instead of continuing
the setup (proposed by Matthew Wilcox).
Note that there is no iounmap in msi_free_irqs() if no msi_disc is
allocated.
Reviewed-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Linus Torvalds [Mon, 29 Jun 2009 16:46:12 +0000 (09:46 -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:
sound: OSS: mpu401, fix deadlock
ALSA: hda - Add missing initializations for ALC268 and ALC269
ALSA: cmi8330: fix MPU-401 PnP init copy&paste bug
ALSA: hda - Line In for Acer Inspire 6530G model
sound: oxygen: make mic volume control mono
MAINTAINERS: Add entry for twl4030 series soc codec driver
ALSA: lx6464es - configure ethersound io channels
sound: Use PCI_VDEVICE for CREATIVE and ECTIVA
sound: Use PCI_VDEVICE
ALSA: hda - Use model=acer-aspire-6530g for Acer Aspire 6930G
ALSA: hda - Fix acer-aspire-6530g model quirk
ALSA: hda - Add pin-sense trigger when needed for Realtek codecs
ALSA: hda - Fix support for Samsung P50 with
AD1986A codec
ALSA: hda - Generalize the pin-detect quirk for Lenovo N100
ALSA: hda - Simplify
AD1986A mixer definitions
Linus Torvalds [Mon, 29 Jun 2009 16:44:44 +0000 (09:44 -0700)]
Merge branch 'bugfixes' of git://git./linux/kernel/git/jmorris/security-testing-2.6
* 'bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
integrity: add ima_counts_put (updated)
integrity: ima audit hash_exists fix
integrity: ima mq_open imbalance msg fix
Linus Torvalds [Mon, 29 Jun 2009 16:42:01 +0000 (09:42 -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:
Revert "x86: cap iomem_resource to addressable physical memory"
Linus Torvalds [Mon, 29 Jun 2009 16:41:12 +0000 (09:41 -0700)]
Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
backlight: Fix tdo24m crash on kmalloc
Ingo Molnar [Mon, 29 Jun 2009 08:07:54 +0000 (10:07 +0200)]
eeepc-laptop: Fix build failure with HOTPLUG_PCI && !SYSFS
FYI, there's a post-rc1 build regression with certain configs:
drivers/built-in.o: In function `pci_hp_deregister':
(.text+0xb166): undefined reference to `pci_hp_remove_module_link'
drivers/built-in.o: In function `pci_hp_deregister':
(.text+0xb19f): undefined reference to `pci_destroy_slot'
drivers/built-in.o: In function `__pci_hp_register':
(.text+0xb583): undefined reference to `pci_create_slot'
drivers/built-in.o: In function `__pci_hp_register':
(.text+0xb5b1): undefined reference to `pci_hp_create_module_link'
make: *** [.tmp_vmlinux1] Error 1
Caused by:
|
2b121bc262fa03c94e653b2d44356c2f86c1bcdc is first bad commit
| commit
2b121bc262fa03c94e653b2d44356c2f86c1bcdc
| Date: Thu Jun 25 13:25:36 2009 +0200
|
| eeepc-laptop: Register as a pci-hotplug device
which changed the driver to use the PCI hotplug infrastructure, but
didn't do a good job on the Kconfig rules.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alan Cox [Mon, 29 Jun 2009 14:21:47 +0000 (15:21 +0100)]
tty: Fix the leak in tty_ldisc_release
Currently we reinit the ldisc on final tty close which is what the old code
did to ensure that if the device retained its termios settings then it had the
right ldisc. tty_ldisc_reinit does that but also leaves us with the reset
ldisc reference which is then leaked.
At this point we know the port will be recycled so we can kill the ldisc
off completely rather than try and add another ldisc free up when the kref
count hits zero.
At this point it is safe to keep the ldisc closed as tty_ldisc waiting
methods are only used from the user side, and as the final close we are
the last such reference. Interrupt/driver side methods will always use the
non wait version and get back a NULL.
Found with kmemleak and investigated/identified by Catalin Marinas.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jiri Slaby [Mon, 29 Jun 2009 16:03:34 +0000 (18:03 +0200)]
sound: OSS: mpu401, fix deadlock
mpu401_chk_version is called with a spin lock already held. Don't take it
again.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Takashi Iwai [Mon, 29 Jun 2009 16:05:09 +0000 (18:05 +0200)]
Merge branch 'fix/pci-vdevice' into for-linus
* fix/pci-vdevice:
sound: Use PCI_VDEVICE for CREATIVE and ECTIVA
sound: Use PCI_VDEVICE
Takashi Iwai [Mon, 29 Jun 2009 16:05:07 +0000 (18:05 +0200)]
Merge branch 'fix/oxygen' into for-linus
* fix/oxygen:
sound: oxygen: make mic volume control mono
Takashi Iwai [Mon, 29 Jun 2009 16:05:06 +0000 (18:05 +0200)]
Merge branch 'fix/misc' into for-linus
* fix/misc:
ALSA: cmi8330: fix MPU-401 PnP init copy&paste bug
Takashi Iwai [Mon, 29 Jun 2009 16:05:05 +0000 (18:05 +0200)]
Merge branch 'fix/lx6464es' into for-linus
* fix/lx6464es:
ALSA: lx6464es - configure ethersound io channels
Takashi Iwai [Mon, 29 Jun 2009 16:05:04 +0000 (18:05 +0200)]
Merge branch 'fix/hda-samsung-p50' into for-linus
* fix/hda-samsung-p50:
ALSA: hda - Fix support for Samsung P50 with
AD1986A codec
ALSA: hda - Generalize the pin-detect quirk for Lenovo N100
ALSA: hda - Simplify
AD1986A mixer definitions
Takashi Iwai [Mon, 29 Jun 2009 16:05:02 +0000 (18:05 +0200)]
Merge branch 'fix/hda' into for-linus
* fix/hda:
ALSA: hda - Add missing initializations for ALC268 and ALC269
ALSA: hda - Line In for Acer Inspire 6530G model
ALSA: hda - Use model=acer-aspire-6530g for Acer Aspire 6930G
ALSA: hda - Fix acer-aspire-6530g model quirk
ALSA: hda - Add pin-sense trigger when needed for Realtek codecs
Takashi Iwai [Mon, 29 Jun 2009 09:33:53 +0000 (11:33 +0200)]
ALSA: hda - Add missing initializations for ALC268 and ALC269
During the changes to clean up / fix the realtek codec initialization
routines in commit
4a79ba34cada6a5a4ee86ed53aa8a73ba1e6fc51,
I forgot to add the check for ALC268 and ALC269.
This resulted in the missing EAPD and COEF setup for these codecs.
This patch adds the missing checks for these codecs.
Reference: bko#13633
http://bugzilla.kernel.org/show_bug.cgi?id=13633
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Ondrej Zary [Sat, 27 Jun 2009 14:17:08 +0000 (16:17 +0200)]
ALSA: cmi8330: fix MPU-401 PnP init copy&paste bug
Fix copy&paste bug in PnP MPU-401 initialization.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tony Vroon [Fri, 26 Jun 2009 08:27:50 +0000 (09:27 +0100)]
ALSA: hda - Line In for Acer Inspire 6530G model
The Line In connector is set up as PIN_IN by default, using
VREF_HIZ. It is connected to both ADCs, so add it to both
input selectors.
Also add the ability to use the input mix (on a SoundBlaster
one would call this "What You Hear").
Signed-off-by: Tony Vroon <tony@linx.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Linus Torvalds [Mon, 29 Jun 2009 02:57:31 +0000 (19:57 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
be2net: Fix to avoid a crash seen on PPC with LRO and Jumbo frames.
gro: Flush GRO packets in napi_disable_pending path
inet: Call skb_orphan before tproxy activates
mac80211: Use rcu_barrier() on unload.
sunrpc: Use rcu_barrier() on unload.
bridge: Use rcu_barrier() instead of syncronize_net() on unload.
ipv6: Use rcu_barrier() on module unload.
decnet: Use rcu_barrier() on module unload.
sky2: Fix checksum endianness
mdio add missing GPL flag
sh_eth: remove redundant test on unsigned
fsl_pq_mdio: Fix fsl_pq_mdio to work with modules
ipv6: avoid wraparound for expired preferred lifetime
tcp: missing check ACK flag of received segment in FIN-WAIT-2 state
atl1*: add device_set_wakeup_enable to atl1*_set_wol
Phonet: generate Netlink RTM_DELADDR when destroying a device
Phonet: publicize the Netlink notification function
Revert "veth: prevent oops caused by netdev destructor"
cpmac: fix compilation failure introduced with netdev_ops conversion
ipsec: Fix name of CAST algorithm
Ajit Khaparde [Fri, 26 Jun 2009 02:51:07 +0000 (02:51 +0000)]
be2net: Fix to avoid a crash seen on PPC with LRO and Jumbo frames.
While testing the driver on PPC, we ran into a crash with LRO, Jumbo frames.
With CONFIG_PPC_64K_PAGES configured (a default in PPC), MAX_SKB_FRAGS drops to 3 and we were crossing the array limits on skb_shinfo(skb)->frags[].
Now we coalesce the frags from the same physical page into one slot in
skb_shinfo(skb)->frags[] and go to the next index when the frag is from
different physical page.
This patch is against the net-2.6 tree.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Mimi Zohar [Fri, 26 Jun 2009 18:05:27 +0000 (14:05 -0400)]
integrity: add ima_counts_put (updated)
This patch fixes an imbalance message as reported by J.R. Okajima.
The IMA file counters are incremented in ima_path_check. If the
actual open fails, such as ETXTBSY, decrement the counters to
prevent unnecessary imbalance messages.
Reported-by: J.R. Okajima <hooanon05@yahoo.co.jp>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Mimi Zohar [Fri, 26 Jun 2009 15:25:00 +0000 (11:25 -0400)]
integrity: ima audit hash_exists fix
Audit the file name, not the template name.
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Mimi Zohar [Fri, 26 Jun 2009 15:24:05 +0000 (11:24 -0400)]
integrity: ima mq_open imbalance msg fix
This patch fixes an imbalance message as reported by Sanchin Sant.
As we don't need to measure the message queue, just increment the
counters.
Reported-by: Sanchin Sant <sanchinp@in.ibm.com>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Linus Torvalds [Sun, 28 Jun 2009 18:12:52 +0000 (11:12 -0700)]
Merge branch 'kvm-updates/2.6.31' of git://git./virt/kvm/kvm
* 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: shut up uninit compiler warning in paging_tmpl.h
KVM: Ignore reads to K7 EVNTSEL MSRs
KVM: VMX: Handle vmx instruction vmexits
KVM: s390: Allow stfle instruction in the guest
KVM: kvm/x86_emulate.c toggle_interruptibility() should be static
KVM: ia64: fix ia64 build due to missing kallsyms_lookup() and double export
KVM: protect concurrent make_all_cpus_request
KVM: MMU: Allow 4K ptes with bit 7 (PAT) set
KVM: Fix dirty bit tracking for slots with large pages
Linus Torvalds [Sun, 28 Jun 2009 18:08:09 +0000 (11:08 -0700)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: fix fh_mutex locking in cifs_reopen_file
Linus Torvalds [Sun, 28 Jun 2009 18:06:11 +0000 (11:06 -0700)]
Merge git://git.infradead.org/iommu-2.6
* git://git.infradead.org/iommu-2.6:
intel-iommu: fix Identity Mapping to be arch independent
Linus Torvalds [Sun, 28 Jun 2009 18:05:28 +0000 (11:05 -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, delay: tsc based udelay should have rdtsc_barrier
x86, setup: correct include file in <asm/boot.h>
x86, setup: Fix typo "CONFIG_x86_64" in <asm/boot.h>
x86, mce: percpu mcheck_timer should be pinned
x86: Add sysctl to allow panic on IOCK NMI error
x86: Fix uv bau sending buffer initialization
x86, mce: Fix mce resume on 32bit
x86: Move init_gbpages() to setup_arch()
x86: ensure percpu lpage doesn't consume too much vmalloc space
x86: implement percpu_alloc kernel parameter
x86: fix pageattr handling for lpage percpu allocator and re-enable it
x86: reorganize cpa_process_alias()
x86: prepare setup_pcpu_lpage() for pageattr fix
x86: rename remap percpu first chunk allocator to lpage
x86: fix duplicate free in setup_pcpu_remap() failure path
percpu: fix too lazy vunmap cache flushing
x86: Set cpu_llc_id on AMD CPUs
Linus Torvalds [Sun, 28 Jun 2009 18:05:16 +0000 (11:05 -0700)]
Merge branch 'timers-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
timer stats: Optimize by adding quick check to avoid function calls
timers: Fix timer_migration interface which accepts any number as input
Linus Torvalds [Sun, 28 Jun 2009 18:05:04 +0000 (11:05 -0700)]
Merge branch 'tracing-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
ftrace: Fix the output of profile
ring-buffer: Make it generally available
ftrace: Remove duplicate newline
tracing: Fix trace_buf_size boot option
ftrace: Fix t_hash_start()
ftrace: Don't manipulate @pos in t_start()
ftrace: Don't increment @pos in g_start()
tracing: Reset iterator in t_start()
trace_stat: Don't increment @pos in seq start()
tracing_bprintk: Don't increment @pos in t_start()
tracing/events: Don't increment @pos in s_start()
Linus Torvalds [Sun, 28 Jun 2009 18:02:32 +0000 (11:02 -0700)]
Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds:
leds: Futher document blink_set
leds: Add options to have GPIO LEDs start on or keep their state
leds: LED driver for National Semiconductor LP3944 Funlight Chip
leds: pca9532 - Indent using tabs, not spaces.
leds: Remove an orphan Kconfig entry
leds: Further document parameters for blink_set()
leds: alix-leds2 fixed for Award BIOS
leds: leds-gpio - fix a section mismatch
leds: add the sysfs interface into the leds-bd2802 driver for changing wave pattern and led current.
leds: change the license information
leds: fix led-bd2802 errors while resuming
Jaswinder Singh Rajput [Wed, 20 May 2009 04:29:35 +0000 (09:59 +0530)]
KVM: shut up uninit compiler warning in paging_tmpl.h
Dixes compilation warning:
CC arch/x86/kernel/io_delay.o
arch/x86/kvm/paging_tmpl.h: In function ‘paging64_fetch’:
arch/x86/kvm/paging_tmpl.h:279: warning: ‘sptep’ may be used uninitialized in this function
arch/x86/kvm/paging_tmpl.h: In function ‘paging32_fetch’:
arch/x86/kvm/paging_tmpl.h:279: warning: ‘sptep’ may be used uninitialized in this function
warning is bogus (always have a least one level), but need to shut the compiler
up.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Amit Shah [Mon, 15 Jun 2009 07:55:34 +0000 (13:25 +0530)]
KVM: Ignore reads to K7 EVNTSEL MSRs
In commit
7fe29e0faacb650d31b9e9f538203a157bec821d we ignored the
reads to the P6 EVNTSEL MSRs. That fixed crashes on Intel machines.
Ignore the reads to K7 EVNTSEL MSRs as well to fix this on AMD
hosts.
This fixes Kaspersky antivirus crashing Windows guests on AMD hosts.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Avi Kivity [Tue, 16 Jun 2009 11:19:52 +0000 (14:19 +0300)]
KVM: VMX: Handle vmx instruction vmexits
IF a guest tries to use vmx instructions, inject a #UD to let it know the
instruction is not implemented, rather than crashing.
This prevents guest userspace from crashing the guest kernel.
Cc: stable@kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>
Christian Borntraeger [Tue, 23 Jun 2009 15:24:07 +0000 (17:24 +0200)]
KVM: s390: Allow stfle instruction in the guest
2.6.31-rc introduced an architecture level set checker based on facility
bits. e.g. if the kernel is compiled to run only on z9, several facility
bits are checked very early and the kernel refuses to boot if a z9 specific
facility is missing.
Until now kvm on s390 did not implement the store facility extended (STFLE)
instruction. A 2.6.31-rc kernel that was compiled for z9 or higher did not
boot in kvm. This patch implements stfle.
This patch should go in before 2.6.31.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Jaswinder Singh Rajput [Thu, 18 Jun 2009 11:23:25 +0000 (16:53 +0530)]
KVM: kvm/x86_emulate.c toggle_interruptibility() should be static
toggle_interruptibility() is used only by same file, it should be static.
Fixed following sparse warning :
arch/x86/kvm/x86_emulate.c:1364:6: warning: symbol 'toggle_interruptibility' was not declared. Should it be static?
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Jes Sorensen [Wed, 17 Jun 2009 09:08:08 +0000 (11:08 +0200)]
KVM: ia64: fix ia64 build due to missing kallsyms_lookup() and double export
Fix problem with double export of certain symbols from vsprintf.c
which we do not wish to export from the kvm-intel.ko module.
In addition, we do not have access to kallsyms_lookup() from the
module, so make sure to #undef CONFIG_KALLSYMS
Signed-off-by: Jes Sorensen <jes@sgi.com>
Acked-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Marcelo Tosatti [Wed, 17 Jun 2009 13:53:47 +0000 (10:53 -0300)]
KVM: protect concurrent make_all_cpus_request
make_all_cpus_request contains a race condition which can
trigger false request completed status, as follows:
CPU0 CPU1
if (test_and_set_bit(req,&vcpu->requests))
.... if (test_and_set_bit(req,&vcpu->requests))
.. return
proceed to smp_call_function_many(wait=1)
Use a spinlock to serialize concurrent CPUs.
Cc: stable@kernel.org
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Avi Kivity [Tue, 19 May 2009 10:29:27 +0000 (13:29 +0300)]
KVM: MMU: Allow 4K ptes with bit 7 (PAT) set
Bit 7 is perfectly legal in the 4K page leve; it is used for the PAT.
Signed-off-by: Avi Kivity <avi@redhat.com>
Izik Eidus [Wed, 10 Jun 2009 16:23:24 +0000 (19:23 +0300)]
KVM: Fix dirty bit tracking for slots with large pages
When slot is already allocated and being asked to be tracked we need
to break the large pages.
This code flush the mmu when someone ask a slot to start dirty bit
tracking.
Cc: stable@kernel.org
Signed-off-by: Izik Eidus <ieidus@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
H. Peter Anvin [Sat, 27 Jun 2009 19:22:27 +0000 (12:22 -0700)]
Revert "x86: cap iomem_resource to addressable physical memory"
This reverts commit
95ee14e4379c5e19c0897c872350570402014742.
Mikael Petterson <mikepe@it.uu.se> reported that at least one of his
systems will not boot as a result. We have ruled out the detection
algorithm malfunctioning, so it is not a matter of producing the
incorrect bitmasks; rather, something in the application of them
fails.
Revert the commit until we can root cause and correct this problem.
-stable team: this means the underlying commit should be rejected.
Reported-and-isolated-by: Mikael Petterson <mikpe@it.uu.se>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <
200906261559.n5QFxJH8027336@pilspetsen.it.uu.se>
Cc: stable@kernel.org
Cc: Grant Grundler <grundler@parisc-linux.org>
Jeff Layton [Sat, 27 Jun 2009 11:04:55 +0000 (07:04 -0400)]
cifs: fix fh_mutex locking in cifs_reopen_file
Fixes a regression caused by commit
a6ce4932fbdbcd8f8e8c6df76812014351c32892
When this lock was converted to a mutex, the locks were turned into
unlocks and vice-versa.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Herbert Xu [Sat, 27 Jun 2009 02:27:04 +0000 (19:27 -0700)]
gro: Flush GRO packets in napi_disable_pending path
When NAPI is disabled while we're in net_rx_action, we end up
calling __napi_complete without flushing GRO packets. This is
a bug as it would cause the GRO packets to linger, of course it
also literally BUGs to catch error like this :)
This patch changes it to napi_complete, with the obligatory IRQ
reenabling. This should be safe because we've only just disabled
IRQs and it does not materially affect the test conditions in
between.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Jun 2009 02:22:37 +0000 (19:22 -0700)]
inet: Call skb_orphan before tproxy activates
As transparent proxying looks up the socket early and assigns
it to the skb for later processing, we must drop any existing
socket ownership prior to that in order to distinguish between
the case where tproxy is active and where it is not.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Fri, 26 Jun 2009 10:45:53 +0000 (10:45 +0000)]
mac80211: Use rcu_barrier() on unload.
The mac80211 module uses rcu_call() thus it should use rcu_barrier()
on module unload.
The rcu_barrier() is placed in mech.c ieee80211_stop_mesh() which is
invoked from ieee80211_stop() in case vif.type == NL80211_IFTYPE_MESH_POINT.
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Fri, 26 Jun 2009 10:45:58 +0000 (10:45 +0000)]
sunrpc: Use rcu_barrier() on unload.
The sunrpc module uses rcu_call() thus it should use rcu_barrier() on
module unload.
Have not verified that the possibility for new call_rcu() callbacks
has been disabled. As a hint for checking, the functions calling
call_rcu() (unx_destroy_cred and generic_destroy_cred) are
registered as crdestroy function pointer in struct rpc_credops.
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Fri, 26 Jun 2009 10:45:48 +0000 (10:45 +0000)]
bridge: Use rcu_barrier() instead of syncronize_net() on unload.
When unloading modules that uses call_rcu() callbacks, then we must
use rcu_barrier(). This module uses syncronize_net() which is not
enough to be sure that all callback has been completed.
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Fri, 26 Jun 2009 10:46:03 +0000 (10:46 +0000)]
ipv6: Use rcu_barrier() on module unload.
The ipv6 module uses rcu_call() thus it should use rcu_barrier() on
module unload.
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Fri, 26 Jun 2009 10:46:08 +0000 (10:46 +0000)]
decnet: Use rcu_barrier() on module unload.
The decnet module unloading as been disabled with a '#if 0' statement,
because it have had issues.
We add a rcu_barrier() anyhow for correctness.
The maintainer (Chrissie Caulfield) will look into the unload issue
when time permits.
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Chrissie Caulfield <christine.caulfield@googlemail.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Fri, 26 Jun 2009 16:39:40 +0000 (09:39 -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: misc small cleanups
amd64_edac: fix ecc_enable_override handling
amd64_edac: check only ECC bit in amd64_determine_edac_cap
Linus Torvalds [Fri, 26 Jun 2009 16:39:02 +0000 (09:39 -0700)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (29 commits)
powerpc/rtas: Fix watchdog driver temperature read functionality
powerpc/mm: Fix potential access to freed pages when using hugetlbfs
powerpc/440: Fix warning early debug code
powerpc/of: Fix usage of dev_set_name() in of_device_alloc()
powerpc/pasemi: Use raw spinlock in SMP TB sync
powerpc: Use one common impl. of RTAS timebase sync and use raw spinlock
powerpc/rtas: Turn rtas lock into a raw spinlock
powerpc: Add irqtrace support for 32-bit powerpc
powerpc/BSR: Fix BSR to allow mmap of small BSR on 64k kernel
powerpc/BSR: add 4096 byte BSR size
powerpc: Map more memory early on 601 processors
powerpc/pmac: Fix DMA ops for MacIO devices
powerpc/mm: Make k(un)map_atomic out of line
powerpc: Fix mpic alloc warning
powerpc: Fix output from show_regs
powerpc/pmac: Fix issues with PowerMac "PowerSurge" SMP
powerpc/amigaone: Limit ISA I/O range to 4k in the device tree
powerpc/warp: Platform fix for i2c change
powerpc: Have git ignore generated files from dtc compile
powerpc/mpic: Fix mapping of "DCR" based MPIC variants
...
Linus Torvalds [Fri, 26 Jun 2009 16:37:52 +0000 (09:37 -0700)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: video: prevent NULL deref in acpi_get_pci_dev()
eeepc-laptop: add rfkill support for the 3G modem in Eee PC 901 Go
eeepc-laptop: get the right value for CMSG
eeepc-laptop: makes get_acpi() returns -ENODEV
eeepc-laptop: right parent device
eeepc-laptop: rfkill refactoring
eeepc-laptop.c: use pr_fmt and pr_<level>
eeepc-laptop: Register as a pci-hotplug device
Linus Torvalds [Fri, 26 Jun 2009 16:37:19 +0000 (09:37 -0700)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] remove unknown mount option warning message
[CIFS] remove bkl usage from umount begin
cifs: Fix incorrect return code being printed in cFYI messages
[CIFS] cleanup asn handling for ntlmssp
[CIFS] Copy struct *after* setting the port, instead of before.
cifs: remove rw/ro options
cifs: fix problems with earlier patches
cifs: have cifs parse scope_id out of IPv6 addresses and use it
[CIFS] Do not send tree disconnect if session is already disconnected
[CIFS] Fix build break
cifs: display scopeid in /proc/mounts
cifs: add new routine for converting AF_INET and AF_INET6 addrs
cifs: have cifs_show_options show forceuid/forcegid options
cifs: remove unneeded NULL checks from cifs_show_options
Anton Vorontsov [Fri, 26 Jun 2009 16:28:42 +0000 (09:28 -0700)]
sky2: Fix checksum endianness
sky2 driver on PowerPC targets floods kernel log with following errors:
eth1: hw csum failure.
Call Trace:
[
ef84b8a0] [
c00075e4] show_stack+0x50/0x160 (unreliable)
[
ef84b8d0] [
c02fa178] netdev_rx_csum_fault+0x3c/0x5c
[
ef84b8f0] [
c02f6920] __skb_checksum_complete_head+0x7c/0x84
[
ef84b900] [
c02f693c] __skb_checksum_complete+0x14/0x24
[
ef84b910] [
c0337e08] tcp_v4_rcv+0x4c8/0x6f8
[
ef84b940] [
c031a9c8] ip_local_deliver+0x98/0x210
[
ef84b960] [
c031a788] ip_rcv+0x38c/0x534
[
ef84b990] [
c0300338] netif_receive_skb+0x260/0x36c
[
ef84b9c0] [
c025de00] sky2_poll+0x5dc/0xcf8
[
ef84ba20] [
c02fb7fc] net_rx_action+0xc0/0x144
The NIC is Yukon-2 EC chip revision 1.
Converting checksum field from le16 to CPU byte order fixes the issue.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Fri, 26 Jun 2009 15:48:42 +0000 (08:48 -0700)]
Merge git://git./linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc32: Fix makefile not generating required files
sparc32: Fix tftpboot.img Makefile
sparc: fix tftpboot.img build
sparc32: Fix obvious build issues for tftpboot.img build.
sparc64: Fix build warnings in piggyback_64.c
sparc64: Don't use alloc_bootmem() in init_IRQ() code paths.
Borislav Petkov [Wed, 10 Jun 2009 15:36:57 +0000 (17:36 +0200)]
amd64_edac: misc small cleanups
- cleanup debug calls
- shorten function names
- cleanup error exit paths
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Borislav Petkov [Mon, 22 Jun 2009 17:42:24 +0000 (19:42 +0200)]
amd64_edac: fix ecc_enable_override handling
amd64_check_ecc_enabled() returns non-zero status when ECC
checking/correcting is disabled and this fails further loading of the
driver even when 'ecc_enable_override' boot param is used.
Fix that by clearing return status in that case.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Borislav Petkov [Wed, 10 Jun 2009 16:29:54 +0000 (18:29 +0200)]
amd64_edac: check only ECC bit in amd64_determine_edac_cap
Checking whether the machine is using ECC enabled DRAM is done through
testing the DimmEccEn bit in the DRAM Cfg Low register (F2x[1,0]90). Do
that instead of testing all bits from the DimmEccEn upwards.
Also, remove mci->edac_cap assignment and use value returned from
amd64_determine_edac_cap().
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Chris Wright [Fri, 26 Jun 2009 01:52:05 +0000 (18:52 -0700)]
intel-iommu: fix Identity Mapping to be arch independent
Drop the e820 scanning and use existing function for finding valid
RAM regions to add to 1:1 mapping.
Signed-off-by: Chris Wright <chrisw@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Li Zefan [Fri, 26 Jun 2009 03:15:37 +0000 (11:15 +0800)]
ftrace: Fix the output of profile
The first entry of the ftrace profile was always skipped when
reading trace_stat/functionX.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <
4A443D59.
4080307@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Benjamin Herrenschmidt [Fri, 26 Jun 2009 06:58:01 +0000 (16:58 +1000)]
Merge commit 'kumar/next' into merge
Adrian Reber [Thu, 26 Mar 2009 02:05:42 +0000 (02:05 +0000)]
powerpc/rtas: Fix watchdog driver temperature read functionality
Using the RTAS watchdog driver to read out the temperature crashes
on a PXCAB:
Unable to handle kernel paging request for data at address 0xfe347b50
Faulting instruction address: 0xc00000000001af64
Oops: Kernel access of bad area, sig: 11 [#1]
The wrong usage of "(void *)__pa(&temperature)" in rtas_call() is
removed by using the function rtas_get_sensor() which does the
right thing.
Signed-off-by: Adrian Reber <adrian@lisas.de>
Acked-by: Utz Bacher <utz.bacher@de.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Mon, 15 Jun 2009 16:53:43 +0000 (16:53 +0000)]
powerpc/mm: Fix potential access to freed pages when using hugetlbfs
When using 64k page sizes, our PTE pages are split in two halves,
the second half containing the "extension" used to keep track of
individual 4k pages when not using HW 64k pages.
However, our page tables used for hugetlb have a slightly different
format and don't carry that "second half".
Our code that batched PTEs to be invalidated unconditionally reads
the "second half" (to put it into the batch), which means that when
called to invalidate hugetlb PTEs, it will access unrelated memory.
It breaks when CONFIG_DEBUG_PAGEALLOC is enabled.
This fixes it by only accessing the second half when the _PAGE_COMBO
bit is set in the first half, which indicates that we are dealing with
a "combo" page which represents 16x4k subpages. Anything else shouldn't
have this bit set and thus not require loading from the second half.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Tue, 16 Jun 2009 15:55:19 +0000 (15:55 +0000)]
powerpc/440: Fix warning early debug code
The function udbg_44x_as1_flush() has the wrong prototype causing
a warning when enabling 440 early debug.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Tue, 16 Jun 2009 15:55:18 +0000 (15:55 +0000)]
powerpc/of: Fix usage of dev_set_name() in of_device_alloc()
dev_set_name() takes a format string, so use it properly and avoid
a warning with recent gcc's
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Tue, 16 Jun 2009 16:42:51 +0000 (16:42 +0000)]
powerpc/pasemi: Use raw spinlock in SMP TB sync
spin_lock() can hang if called while the timebase is frozen,
so use a raw lock instead, also disable interrupts while
at it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Tue, 16 Jun 2009 16:42:50 +0000 (16:42 +0000)]
powerpc: Use one common impl. of RTAS timebase sync and use raw spinlock
Several platforms use their own copy of what is essentially the same code,
using RTAS to synchronize the timebases when bringing up new CPUs. This
moves it all into a single common implementation and additionally
turns the spinlock into a raw spinlock since the former can rely on
the timebase not being frozen when spinlock debugging is enabled, and finally
masks interrupts while the timebase is disabled.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Tue, 16 Jun 2009 16:42:49 +0000 (16:42 +0000)]
powerpc/rtas: Turn rtas lock into a raw spinlock
RTAS currently uses a normal spinlock. However it can be called from
contexts where this is not necessarily a good idea. For example, it
can be called while syncing timebases, with the core timebase being
frozen. Unfortunately, that will deadlock in case of lock contention
when spinlock debugging is enabled as the spin lock debugging code
will try to use __delay() which ... relies on the timebase being
enabled.
Also RTAS can be used in some low level IRQ handling code path so it
may as well be a raw spinlock for -rt sake.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Wed, 17 Jun 2009 17:43:59 +0000 (17:43 +0000)]
powerpc: Add irqtrace support for 32-bit powerpc
Based on initial work from: Dale Farnsworth <dale@farnsworth.org>
Add the low level irq tracing hooks for 32-bit powerpc needed
to enable full lockdep functionality.
The approach taken to deal with the code in entry_32.S is that
we don't trace all the transitions of MSR:EE when we just turn
it off to peek at TI_FLAGS without races. Only when we are
calling into C code or returning from exceptions with a state
that have changed from what lockdep thinks.
There's a little bugger though: If we take an exception that
keeps interrupts enabled (such as an alignment exception) while
interrupts are enabled, we will call trace_hardirqs_on() on the
way back spurriously. Not a big deal, but to get rid of it would
require remembering in pt_regs that the exception was one of the
type that kept interrupts enabled which we don't know at this
stage. (Well, we could test all cases for regs->trap but that
sucks too much).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Kumar Gala <galak@kernel.crashing.org>
Sonny Rao [Thu, 18 Jun 2009 15:13:04 +0000 (15:13 +0000)]
powerpc/BSR: Fix BSR to allow mmap of small BSR on 64k kernel
On Mon, Nov 17, 2008 at 01:26:13AM -0600, Sonny Rao wrote:
> On Fri, Nov 07, 2008 at 04:28:29PM +1100, Paul Mackerras wrote:
> > Sonny Rao writes:
> >
> > > Fix the BSR driver to allow small BSR devices, which are limited to a
> > > single 4k space, on a 64k page kernel. Previously the driver would
> > > reject the mmap since the size was smaller than PAGESIZE (or because
> > > the size was greater than the size of the device). Now, we check for
> > > this case use remap_4k_pfn(). Also, take out code to set vm_flags,
> > > as the remap_pfn functions will do this for us.
> >
> > Thanks.
> >
> > Do we know that the BSR size will always be 4k if it's not a multiple
> > of 64k? Is it possible that we could get 8k, 16k or 32k or BSRs?
> > If it is possible, what does the user need to be able to do? Do they
> > just want to map 4k, or might then want to map the whole thing?
>
>
> Hi Paul, I took a look at changing the driver to reject a request for
> mapping more than a single 4k page, however the only indication we get
> of the requested size in the mmap function is the vma size, and this
> is always one page at minimum. So, it's not possible to determine if
> the user wants one 4k page or more. As I noted in my first response,
> there is only one case where this is even possible and I don't think
> it is a significant concern.
>
> I did notice that I left out the check to see if the user is trying to
> map more than the device length, so I fixed that. Here's the revised
> patch.
Alright, I've reworked this now so that if we get one of these cases
where there's a bsr that's > 4k and < 64k on a 64k kernel we'll only
advertise that it is a 4k BSR to userspace. I think this is the best
solution since user programs are only supposed to look at sysfs to
determine how much can be mapped, and libbsr does this as well.
Please consider for 2.6.31 as a fix, thanks.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Sonny Rao [Thu, 18 Jun 2009 15:14:36 +0000 (15:14 +0000)]
powerpc/BSR: add 4096 byte BSR size
Add a 4096 byte BSR size which will be used on new machines. Also, remove
the warning when we run into an unknown size, as this can spam the kernel
log excessively.
Signed-off-by: Sonny Rao <sonnyrao@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Thu, 18 Jun 2009 19:17:39 +0000 (19:17 +0000)]
powerpc: Map more memory early on 601 processors
The 32-bit kernel relies on some memory being mapped covering
the kernel text,data and bss at least, early during boot before
the full MMU setup is done. On 32-bit "classic" processors, this
is done using BAT registers.
On 601, the size of BATs is limited to 8M and we use 2 of them
for that initial mapping. This can become quite tight when enabling
features like lockdep, so let's use a 3rd one to bump that mapping
from 16M to 24M. We keep the 4th BAT free as it can be useful for
debugging early boot code to map things like serial ports.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Thu, 18 Jun 2009 19:20:51 +0000 (19:20 +0000)]
powerpc/pmac: Fix DMA ops for MacIO devices
The macio_dev's created to map devices inside the MacIO ASICs
don't have proper dma_ops. This causes crashes on some machines
since the SCSI code calls dma_map_* on our behalf using the
device we hang from.
This fixes it by copying the parent PCI device dma_ops into
the macio_dev when creating it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Thu, 18 Jun 2009 19:25:00 +0000 (19:25 +0000)]
powerpc/mm: Make k(un)map_atomic out of line
Those functions are way too big to be inline, besides, kmap_atomic()
wants to call debug_kmap_atomic() which isn't exported for modules
and causes module link failures.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Kumar Gala [Thu, 18 Jun 2009 22:01:20 +0000 (22:01 +0000)]
powerpc: Fix mpic alloc warning
Since we can use kmalloc earlier we are getting the following since the
mpic_alloc() code calls alloc_bootmem(). Move to using kzalloc() to
remove the warning.
------------[ cut here ]------------
Badness at
c0583248 [verbose debug info unavailable]
NIP:
c0583248 LR:
c0583210 CTR:
00000004
REGS:
c0741de0 TRAP: 0700 Not tainted (
2.6.30-06736-g12a31df)
MSR:
00021000 <ME,CE> CR:
22024024 XER:
00000000
TASK =
c070d3b8[0] 'swapper' THREAD:
c0740000 CPU: 0
<6>GPR00:
00000001 c0741e90 c070d3b8 00000001 00000210 00000020 3fffffff 00000000
<6>GPR08:
00000000 c0c85700 c04f8c40 0000002d 22044022 1004a388 7ffd9400 00000000
<6>GPR16:
00000000 7ffcd100 7ffcd100 7ffcd100 c04f8c40 00000000 c059f62c c075a0c0
<6>GPR24:
c059f648 00000000 0000000f 00000210 00000020 00000000 3fffffff 00000210
NIP [
c0583248] alloc_arch_preferred_bootmem+0x50/0x80
LR [
c0583210] alloc_arch_preferred_bootmem+0x18/0x80
Call Trace:
[
c0741e90] [
c07343b0] devtree_lock+0x0/0x24 (unreliable)
[
c0741ea0] [
c0583b14] ___alloc_bootmem_nopanic+0x54/0x108
[
c0741ee0] [
c0583e18] ___alloc_bootmem+0x18/0x50
[
c0741ef0] [
c057b9cc] mpic_alloc+0x48/0x710
[
c0741f40] [
c057ecf4] mpc85xx_ds_pic_init+0x190/0x1b8
[
c0741f90] [
c057633c] init_IRQ+0x24/0x34
[
c0741fa0] [
c05738b8] start_kernel+0x260/0x3dc
[
c0741ff0] [
c00003c8] skpinv+0x2e0/0x31c
Instruction dump:
409e001c 7c030378 80010014 83e1000c 38210010 7c0803a6 4e800020 3d20c0c8
39295700 80090004 7c000034 5400d97e <
0f000000>
2f800000 409e001c 38800000
BenH: Changed to use GFP_KERNEL, the allocator will do the right thing
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Kumar Gala [Thu, 18 Jun 2009 22:29:55 +0000 (22:29 +0000)]
powerpc: Fix output from show_regs
For some reason we've had an explicit KERN_INFO for GPR dumps. With
recent changes we get output like:
<6>GPR00:
00000000 ef855eb0 ef858000 00000001 000000d0 f1000000 ffbc8000 ffffffff
The KERN_INFO is causing the <6>. Don't see any reason to keep it
around.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Thu, 18 Jun 2009 23:30:07 +0000 (23:30 +0000)]
powerpc/pmac: Fix issues with PowerMac "PowerSurge" SMP
The old PowerSurge SMP (ie, dual or quad 604 machines) code has
numerous issues in modern world.
One is cpu_possible_map is set too late (the device-tree is bogus)
so we fail to allocate the interrupt stacks and crash. Another
problem is the fact the timebase is frozen by the bringup of the
second CPU so the delays in the generic code will hang, we need
to move some of the calling procedure to inside the powermac code.
This makes it boot again for me
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Gerhard Pircher [Fri, 19 Jun 2009 11:42:36 +0000 (11:42 +0000)]
powerpc/amigaone: Limit ISA I/O range to 4k in the device tree
The kernel reserves the I/O address space from 0x0 to 0xfff for legacy
ISA devices. Change the ranges property for the PCI2ISA bridge to match
the kernels behavior, even if the ranges property isn't used for now.
Signed-off-by: Gerhard Pircher <gerhard_pircher@gmx.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Sean MacLennan [Fri, 19 Jun 2009 19:43:59 +0000 (19:43 +0000)]
powerpc/warp: Platform fix for i2c change
A change to the i2c subsystem breaks the warp platform code. The patch
is cleaner anyway, the old way was a bit crufty.
For those with keen eyes, the gratuitous change in the string from
PIKA to Warp is just so the logs look a bit nicer. The following two
lines tend to be printed one after another.
Warp POST OK
Warp DTM thread running.
Yeah, this will be the third patch to warp.c submitted in this
release....
Cheers,
Sean
The i2c_client struct changed, breaking the code that looked for the ad7414
chip. Use the new of_find_i2c_device_by_node function added in 2.6.29.
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Jon Smirl [Sun, 21 Jun 2009 15:28:00 +0000 (15:28 +0000)]
powerpc: Have git ignore generated files from dtc compile
Have git ignore generated files from dtc compile
Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Mon, 22 Jun 2009 16:47:59 +0000 (16:47 +0000)]
powerpc/mpic: Fix mapping of "DCR" based MPIC variants
Commit
31207dab7d2e63795eb15823947bd2f7025b08e2
"Fix incorrect allocation of interrupt rev-map"
introduced a regression crashing on boot on machines using
a "DCR" based MPIC, such as the Cell blades.
The reason is that the irq host data structure is initialized
much later as a result of that patch, causing our calls to
mpic_map() do be done before we have a host setup.
Unfortunately, this breaks _mpic_map_dcr() which uses the
mpic->irqhost to get to the device node.
This fixes it by, instead, passing the device node explicitely
to mpic_map().
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Akira Tsukamoto <akirat@rd.scei.sony.co.jp>
Michael Ellerman [Mon, 22 Jun 2009 23:13:48 +0000 (23:13 +0000)]
powerpc: Swiotlb breaks pseries
Turning on SWIOTLB selects or enables PPC_NEED_DMA_SYNC_OPS, which means
we get the non empty versions of dma_sync_* in asm/dma-mapping.h
On my pseries machine the dma_ops have no such routines and we die with
a null pointer - this patch gets it booting, is there a more elegant way
to do it?
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Troy Moure [Thu, 25 Jun 2009 23:05:35 +0000 (17:05 -0600)]
ACPI: video: prevent NULL deref in acpi_get_pci_dev()
ref: http://thread.gmane.org/gmane.linux.kernel/857228/focus=857468
When the ACPI video driver initializes, it does a namespace walk
looking for for supported devices. When we find an appropriate
handle, we walk up the ACPI tree looking for a PCI root bus, and
then walk back down the PCI bus, assuming that every device
inbetween is a P2P bridge.
This assumption is not correct, and is reported broken on at
least:
Dell Latitude E6400
ThinkPad X61
Dell XPS M1330
Add a NULL deref check to prevent boot panics.
Reported-by: Alessandro Suardi <alessandro.suardi@gmail.com>
Signed-off-by: Troy Moure <twmoure@szypr.net>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Corentin Chary [Thu, 25 Jun 2009 11:25:42 +0000 (13:25 +0200)]
eeepc-laptop: add rfkill support for the 3G modem in Eee PC 901 Go
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Corentin Chary [Thu, 25 Jun 2009 11:25:41 +0000 (13:25 +0200)]
eeepc-laptop: get the right value for CMSG
CMSG is an ACPI method used to find features available on
an Eee PC. But some features are never repported, even if present.
If the getter of a feature is present, this patch will set
the corresponding bit in cmsg.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Corentin Chary [Thu, 25 Jun 2009 11:25:40 +0000 (13:25 +0200)]
eeepc-laptop: makes get_acpi() returns -ENODEV
If there is there is no getter defined, get_acpi()
will return -ENODEV.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Corentin Chary [Thu, 25 Jun 2009 11:25:39 +0000 (13:25 +0200)]
eeepc-laptop: right parent device
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Corentin Chary [Thu, 25 Jun 2009 11:25:38 +0000 (13:25 +0200)]
eeepc-laptop: rfkill refactoring
Refactor rfkill code, because we'll add another
rfkill for wwan3g later.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Joe Perches [Thu, 25 Jun 2009 11:25:37 +0000 (13:25 +0200)]
eeepc-laptop.c: use pr_fmt and pr_<level>
Convert the unusual printk(EEEPC_<level> uses to
the more standard pr_fmt and pr_<level>(.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Corentin Chary [Thu, 25 Jun 2009 11:25:36 +0000 (13:25 +0200)]
eeepc-laptop: Register as a pci-hotplug device
The eee contains a logically (but not physically) hotpluggable PCIe slot.
Currently this is handled by adding or removing the PCI device in response
to rfkill events, but if a user has forced pciehp to bind to it (with the
force=1 argument) then both drivers will try to handle the event and
hilarity (in the form of oopses) will ensue. This can be avoided by having
eee-laptop register the slot as a hotplug slot. Only one of pciehp and
eee-laptop will successfully register this, avoiding the problem.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Tested-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Steve French [Fri, 26 Jun 2009 04:07:18 +0000 (04:07 +0000)]
[CIFS] remove unknown mount option warning message
Jeff's previous patch which removed the unneeded rw/ro
parsing can cause a minor warning in dmesg (about the
unknown rw or ro mount option) at mount time. This
patch makes cifs ignore them in kernel to remove the warning
(they are already handled in the mount helper and VFS).
Signed-off-by: Steve French <sfrench@us.ibm.com>
Steve French [Fri, 26 Jun 2009 03:25:49 +0000 (03:25 +0000)]
[CIFS] remove bkl usage from umount begin
The lock_kernel call moved into the fs for umount_begin
is not needed. This adds a check to make sure we don't
call umount_begin twice on the same fs.
umount_begin for cifs is probably not needed and
may eventually be able to be removed, but in
the meantime this smaller patch is safe and
gets rid of the bkl from this path which provides
some benefit.
Acked-by: Jeff Layton <redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Nicolas Reinecke [Thu, 25 Jun 2009 02:55:31 +0000 (02:55 +0000)]
mdio add missing GPL flag
Add missing GPL flag and description.
mdio: module license 'unspecified' taints kernel.
Disabling lock debugging due to kernel taint
Signed-off-by: Nicolas Reinecke <nr <at> das-labor.org>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
roel kluin [Mon, 22 Jun 2009 07:38:00 +0000 (07:38 +0000)]
sh_eth: remove redundant test on unsigned
Unsigned boguscnt cannot be less than 0.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ionut Nicu [Wed, 24 Jun 2009 22:23:39 +0000 (22:23 +0000)]
fsl_pq_mdio: Fix fsl_pq_mdio to work with modules
This patch fixes the case when ucc_geth or gianfar are compiled
as modules. Without this patch the call to phy_connect() fails.
Signed-off-by: Ionut Nicu <ionut.nicu@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jens Rosenboom [Thu, 25 Jun 2009 04:55:50 +0000 (04:55 +0000)]
ipv6: avoid wraparound for expired preferred lifetime
Avoid showing wrong high values when the preferred lifetime of an address
is expired.
Signed-off-by: Jens Rosenboom <me@jayr.de>
Signed-off-by: David S. Miller <davem@davemloft.net>