| Commit message (Collapse) | Author | Age | Files | Lines |
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const and __devinit aren't a good pair, resulting in a section
mismatch error. Let's remove const as a temporary solution.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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The jack detection bit on AD1986A Lenovo N100 seems inverse from
the standard definition. Now fixed the detection properly.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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function after Trent Piepho's patch for AD1848.
It also makes busy_wait() function call not atomic.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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Fix mnt_flush_task() misplaced kernel-doc.
Fix typos in some of the doc text.
Warning(linux-2.6.23-git17//fs/proc/base.c:2280): No description found for parameter 'mnt'
Warning(linux-2.6.23-git17//fs/proc/base.c:2280): No description found for parameter 'pid'
Warning(linux-2.6.23-git17//fs/proc/base.c:2280): No description found for parameter 'tgid'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix kernel-doc for auditsc parameter changes.
Warning(linux-2.6.23-git17//kernel/auditsc.c:1623): No description found for parameter 'dentry'
Warning(linux-2.6.23-git17//kernel/auditsc.c:1666): No description found for parameter 'dentry'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 238e4f142c33bb34440cc64029dde7b9fbc4e65f ("ide: add
IDE_HFLAG_NO_LBA48 and IDE_HFLAG_NO_LBA48_DMA host flags") caused a
regression because the host_flags in struct hwif_s wasn't expanded to
cope with the fact that the host flags no longer fit in 16 bits.
Signed-off-by: David S. Miller <davem@davemloft.net>
[ I hate having to add good commit descriptions. - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: appletouch - apply idle reset logic to all touchpads
Input: usbtouchscreen - add support for GoTop tablet devices
Input: bf54x-keys - return real error when request_irq() fails
Input: i8042 - export i8042_command()
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Not only Geyser 3 but also Geyser 1 need to be reset after they become
idle to stop them from needlessly waking up the kernel. Do idle reset
on all touchpads, regardless of their version - if we see 10 empty
packets the touchpad needs to be reset; good touchpads should not send
empty packets anyway.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Add support for GoTop Super_Q2/GogoPen/PenPower tablets to usbtouchscreen.
Protocol discovery was done by Yick Yan Lam.
Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Export the i8042_command() function which manages the mutual
exclusion with the help of the i8042_lock spinlock. This allows
to access i8042 safely from other parts of the kernel.
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
Blackfin arch: use KBUILD_CFLAGS and KBUILD_AFLAGS in Makefile
Blackfin arch: Javier Herrer writes: fix building when icache and dcache is disabled
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Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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disabled
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: Use new smp_call_function_mask() in kvm_flush_remote_tlbs()
sched: don't clear PF_VCPU in scheduler
KVM: Improve local apic timer wraparound handling
KVM: Fix local apic timer divide by zero
KVM: Move kvm_guest_exit() after local_irq_enable()
KVM: x86 emulator: fix access registers for instructions with ModR/M byte and Mod = 3
KVM: VMX: Force vm86 mode if setting flags during real mode
KVM: x86 emulator: implement 'movnti mem, reg'
KVM: VMX: Reset mmu context when entering real mode
KVM: VMX: Handle NMIs before enabling interrupts and preemption
KVM: MMU: Set shadow pte atomically in mmu_pte_write_zap_pte()
KVM: x86 emulator: fix repne/repnz decoding
KVM: x86 emulator: fix merge screwup due to emulator split
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In kvm_flush_remote_tlbs(), replace a loop using smp_call_function_single()
by a single call to smp_call_function_mask() (which is new for x86_64).
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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KVM clears it by itself now, and for s390 this is plain wrong.
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Better handle wrap-around cases when reading the APIC CCR
(current count register). Also, if ICR is 0, CCR should also
be 0... previously reading CCR before setting ICR would result
in a large kinda-random number.
Signed-off-by: Kevin Pedretti <kevin.pedretti@gmail.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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kvm_lapic_reset() was initializing apic->timer.divide_count to 0,
which could potentially lead to a divide by zero error in
apic_get_tmcct(). Any guest that reads the APIC's CCR (current count)
register before setting DCR (divide configuration) would trigger a divide
by zero exception in the host kernel, leading to a host-OS crash.
This patch results in apic->timer.divide_count being initialized to
2 at reset, eliminating the bug (DCR=0 at reset, meaning divide by 2).
Signed-off-by: Kevin Pedretti <kevin.pedretti@gmail.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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We need to make sure that the timer interrupt happens before we clear
PF_VCPU, so the accounting code actually sees guest mode.
http://lkml.org/lkml/2007/10/15/114
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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and Mod = 3
The patch belows changes the access type to register from memory for
instructions that are declared as SrcMem or DstMem, but have a
ModR/M byte with Mod = 3.
It fixes (at least) the lmsw and smsw instructions on an AMD64 CPU,
which are needed for FreeBSD.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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When resetting from userspace, we need to handle the flags being cleared
even after we are in real mode.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Implement emulation of instruction:
movnti m32/m64, r32/r64
opcode: 0x0f 0xc3
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Resetting an SMP guest will force AP enter real mode (RESET) with
paging enabled in protected mode. While current enter_rmode() can
only handle mode switch from nonpaging mode to real mode which leads
to SMP reboot failure.
Fix by reloading the mmu context on entering real mode.
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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This makes sure we handle NMI on the current cpu, and that we don't service
maskable interrupts before non-maskable ones.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Setting shadow page table entry should be set atomicly using set_shadow_pte().
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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The repnz/repne instructions must set rep_prefix to 1 like rep/repe/repz.
This patch correct the disk probe problem met with OpenBSD.
This issue appears with commit e70669abd4e60dfea3ac1639848e20e2b8dd1255
because before it, the decoding was done internally to kvm and after it
is done by x86_emulate.c (which doesn't do it correctly).
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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This code has gone to wrong place in the file. Moving it back to
right location.
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] 4level-fixup cleanup
[S390] Cleanup page table definitions.
[S390] Introduce follow_table in uaccess_pt.c
[S390] Remove unused user_seg from thread structure.
[S390] tlb flush fix.
[S390] kernel: Fix dump on panic for DASDs under LPAR.
[S390] struct class_device -> struct device conversion.
[S390] cio: Fix incomplete commit for uevent suppression.
[S390] cio: Use to_channelpath() for device to channel path conversion.
[S390] Add per-cpu idle time / idle count sysfs attributes.
[S390] Update default configuration.
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Get independent from asm-generic/4level-fixup.h
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- De-confuse the defines for the address-space-control-elements
and the segment/region table entries.
- Create out of line functions for page table allocation / freeing.
- Simplify get_shadow_xxx functions.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Define and use follow_table inline in uaccess_pt.c to simplify
the code.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The current tlb flushing code for page table entries violates the
s390 architecture in a small detail. The relevant section from the
principles of operation (SA22-7832-02 page 3-47):
"A valid table entry must not be changed while it is attached
to any CPU and may be used for translation by that CPU except to
(1) invalidate the entry by using INVALIDATE PAGE TABLE ENTRY or
INVALIDATE DAT TABLE ENTRY, (2) alter bits 56-63 of a page-table
entry, or (3) make a change by means of a COMPARE AND SWAP AND
PURGE instruction that purges the TLB."
That means if one thread of a multithreaded applciation uses a vma
while another thread does an unmap on it, the page table entries of
that vma needs to get removed with IPTE, IDTE or CSP. In some strange
and rare situations a cpu could check-stop (die) because a entry has
been pushed out of the TLB that is still needed to complete a
(milli-coded) instruction. I've never seen it happen with the current
code on any of the supported machines, so right now this is a
theoretical problem. But I want to fix it nevertheless, to avoid
headaches in the futures.
To get this implemented correctly without changing common code the
primitives ptep_get_and_clear, ptep_get_and_clear_full and
ptep_set_wrprotect need to use the IPTE instruction to invalidate the
pte before the new pte value gets stored. If IPTE is always used for
the three primitives three important operations will have a performace
hit: fork, mprotect and exit_mmap. Time for some workarounds:
* 1: ptep_get_and_clear_full is used in unmap_vmas to remove page
tables entries in a batched tlb gather operation. If the mmu_gather
context passed to unmap_vmas has been started with full_mm_flush==1
or if only one cpu is online or if the only user of a mm_struct is the
current process then the fullmm indication in the mmu_gather context is
set to one. All TLBs for mm_struct are flushed by the tlb_gather_mmu
call. No new TLBs can be created while the unmap is in progress. In
this case ptep_get_and_clear_full clears the ptes with a simple store.
* 2: ptep_get_and_clear is used in change_protection to clear the
ptes from the page tables before they are reentered with the new
access flags. At the end of the update flush_tlb_range clears the
remaining TLBs. In general the ptep_get_and_clear has to issue IPTE
for each pte and flush_tlb_range is a nop. But if there is only one
user of the mm_struct then ptep_get_and_clear uses simple stores
to do the update and flush_tlb_range will flush the TLBs.
* 3: Similar to 2, ptep_set_wrprotect is used in copy_page_range
for a fork to make all ptes of a cow mapping read-only. At the end of
of copy_page_range dup_mmap will flush the TLBs with a call to
flush_tlb_mm. Check for mm->mm_users and if there is only one user
avoid using IPTE in ptep_set_wrprotect and let flush_tlb_mm clear the
TLBs.
Overall for single threaded programs the tlb flush code now performs
better, for multi threaded programs it is slightly worse. In particular
exit_mmap() now does a single IDTE for the mm and then just frees every
page cache reference and every page table page directly without a delay
over the mmu_gather structure.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Currently the ccw method is used to ipl the DASD dump record under LPAR.
This mechanism is not reliable, which can cause dump failures. This fix
now uses the diag 308 ipl method for all machines, which have diag308
subcode 5 and 4 support.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Convert struct class_device users under drivers/s390/char to use
struct device.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Commit fa1a8c23eb7d3ded8a3c6d0e653339a2bc7fca9e intended to
introduce uevent suppression for subchannels, but half of it was
lost somewhere. Now, we end up with two uevents for every registered
subchannel :( So we should better add the missing part from
http://marc.info/?l=linux-kernel&m=117515953113974&w=2.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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We already have a macro for that, so let's use it consistently...
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add two new sysfs entries per cpu: idle_count and idle_time.
idle_count contains the number of times a cpu went into idle state.
idle_time contains the time a cpu spent in idle state in microseconds.
This can be used e.g. by powertop to tell how often idle state is
entered and left.
# cat /sys/devices/system/cpu/cpu0/idle_count
504
# cat /sys/devices/system/cpu/cpu0/idle_time
469734037 us
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: ARRAY_SIZE() cleanup
[SPARC64]: small Makefile cleanups
[SPARC64]: Stop using __do_IRQ().
[SPARC64]: Update defconfig.
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Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A few trivial Makefile cleanups
- dependencipes in head.o was all wrong - deleted
- CMODEL_CFLAG was not used anywhere
- NEW_GCC was then not used outside sparc64/Makefe - do not export it
- FIXME seems not appropriate - all other put oprofile in drivers-y too
- No reason to do -I. (and it still builds)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Invoke the desc->handle_irq directly in the top-level dispatch,
just like other sophisticated ports.
This will allow us to decrease the cost of the MSI queue dispatch.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits)
[IPSEC] IPV6: Fix to add tunnel mode SA correctly.
[NET]: Cut off the queue_mapping field from sk_buff
[NET]: Hide the queue_mapping field inside netif_subqueue_stopped
[NET]: Make and use skb_get_queue_mapping
[NET]: Use the skb_set_queue_mapping where appropriate
[INET]: Use MODULE_ALIAS_NET_PF_PROTO_TYPE where possible.
[INET]: Let inet_diag and friends autoload
[NIU]: Cleanup PAGE_SIZE checks a bit
[NET]: Fix SKB_WITH_OVERHEAD calculation
[ATM]: Fix clip module reload crash.
[TG3]: Update version to 3.85
[TG3]: PCI command adjustment
[TG3]: Add management FW version to ethtool report
[TG3]: Add 5723 support
[Bluetooth] Convert RFCOMM to use kthread API
[Bluetooth] Add constant for Bluetooth socket options level
[Bluetooth] Add support for handling simple eSCO links
[Bluetooth] Add address and channel attribute to RFCOMM TTY device
[Bluetooth] Fix wrong argument in debug code of HIDP
[Bluetooth] Add generic driver for Bluetooth USB devices
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Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just hide it behind the #ifdef, because nobody wants
it now.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many places get the queue_mapping field from skb to pass it to the
netif_subqueue_stopped() which will be 0 in any case.
Make the helper that works with sk_buff
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the helper for getting the field, symmetrical to
the "set" one. Return 0 if CONFIG_NETDEVICES_MULTIQUEUE=n
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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