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2008-10-15KVM: Ignore DEBUGCTL MSRs with no effectAlexander Graf
Netware writes to DEBUGCTL and reads from the DEBUGCTL and LAST*IP MSRs without further checks and is really confused to receive a #GP during that. To make it happy we should just make them stubs, which is exactly what SVM already does. Writes to DEBUGCTL that are vendor-specific are resembled to behave as if the virtual CPU does not know them. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Avoid vmwrite(HOST_RSP) when possibleAvi Kivity
Usually HOST_RSP retains its value across guest entries. Take advantage of this and avoid a vmwrite() when this is so. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: ppc: trace powerpc instruction emulationChristian Ehrhardt
This patch adds a trace point for the instruction emulation on embedded powerpc utilizing the KVM_TRACE interface. Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: ppc: adds trace points for ppc tlb activityJerone Young
This patch adds trace points to track powerpc TLB activities using the KVM_TRACE infrastructure. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: ppc: enable KVM_TRACE building for powerpcJerone Young
This patch enables KVM_TRACE to build for PowerPC arch. This means just adding sections to Kconfig and Makefile. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: kvmtrace: replace get_cycles with ktime_get v3Christian Ehrhardt
The current kvmtrace code uses get_cycles() while the interpretation would be easier using using nanoseconds. ktime_get() should give at least the same accuracy as get_cycles on all architectures (even better on 32bit archs) but at a better unit (e.g. comparable between hosts with different frequencies. [avi: avoid ktime_t in public header] Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: kvmtrace: Remove use of bit fields in kvm trace structureChristian Ehrhardt
This patch fixes kvmtrace use on big endian systems. When using bit fields the compiler will lay data out in the wrong order expected when laid down into a file. This fixes it by using one variable instead of using bit fields. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: SVM: Unify register save/restore across 32 and 64 bit hostsAvi Kivity
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Unify register save/restore across 32 and 64 bit hostsAvi Kivity
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Reinject real mode exceptionJan Kiszka
As we execute real mode guests in VM86 mode, exception have to be reinjected appropriately when the guest triggered them. For this purpose the patch adopts the real-mode injection pattern used in vmx_inject_irq to vmx_queue_exception, additionally taking care that the IP is set correctly for #BP exceptions. Furthermore it extends handle_rmode_exception to reinject all those exceptions that can be raised in real mode. This fixes the execution of himem.exe from FreeDOS and also makes its debug.com work properly. Note that guest debugging in real mode is broken now. This has to be fixed by the scheduled debugging infrastructure rework (will be done once base patches for QEMU have been accepted). Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Consolidate XX_VECTOR definesJan Kiszka
Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Consolidate PIC isr clearing into a functionAvi Kivity
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Remove redundant check in handle_rmode_exceptionMohammed Gamal
Since checking for vcpu->arch.rmode.active is already done whenever we call handle_rmode_exception(), checking it inside the function is redundant. Signed-off-by: Mohammed Gamal <m.gamal005@gmail.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Move interrupt post-processing to vmx_complete_interrupts()Avi Kivity
Instead of looking at failed injections in the vm entry path, move processing to the exit path in vmx_complete_interrupts(). This simplifes the logic and removes any state that is hidden in vmx registers. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Add a pending interrupt queueAvi Kivity
Similar to the exception queue, this hold interrupts that have been accepted by the virtual processor core but not yet injected. Not yet used. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Fix pending exception processingAvi Kivity
The vmx code assumes that IDT-Vectoring can only be set when an exception is injected due to the exception in question. That's not true, however: if the exception is injected correctly, and later another exception occurs but its delivery is blocked due to a fault, then we will incorrectly assume the first exception was not delivered. Fix by unconditionally dequeuing the pending exception, and requeuing it (or the second exception) if we see it in the IDT-Vectoring field. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Clear exception queue before emulating an instructionAvi Kivity
If we're emulating an instruction, either it will succeed, in which case any previously queued exception will be spurious, or we will requeue the same exception. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Move nmi injection failure processing to vm exit pathAvi Kivity
Instead of processing nmi injection failure in the vm entry path, move it to the vm exit path (vm_complete_interrupts()). This separates nmi injection from nmi post-processing, and moves the nmi state from the VT state into vcpu state (new variable nmi_injected specifying an injection in progress). Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Move NMI IRET fault processing to new vmx_complete_interrupts()Avi Kivity
Currently most interrupt exit processing is handled on the entry path, which is confusing. Move the NMI IRET fault processing to a new function, vmx_complete_interrupts(), which is called on the vmexit path. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: MMU: Simplify kvm_mmu_zap_page()Avi Kivity
The twisty maze of conditionals can be reduced. [joerg: fix tlb flushing] Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: MMU: Separate the code for unlinking a shadow page from its parentsAvi Kivity
Place into own function, in preparation for further cleanups. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Introduce kvm_set_irq to inject interrupts in guestsAmit Shah
This function injects an interrupt into the guest given the kvm struct, the (guest) irq number and the interrupt level. Signed-off-by: Amit Shah <amit.shah@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: Move KVM TRACE DEFINITIONS to common headerHollis Blanchard
Move KVM trace definitions from x86 specific kvm headers to common kvm headers to create a cross-architecture numbering scheme for trace events. This means the kvmtrace_format userspace tool won't need to know which architecture produced the log file being processed. Signed-off-by: Jerone Young <jyoung5@us.ibm.com> Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: x86: accessors for guest registersMarcelo Tosatti
As suggested by Avi, introduce accessors to read/write guest registers. This simplifies the ->cache_regs/->decache_regs interface, and improves register caching which is important for VMX, where the cost of vmcs_read/vmcs_write is significant. [avi: fix warnings] Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15KVM: VMX: Rename misnamed msr bitsSheng Yang
MSR_IA32_FEATURE_LOCKED is just a bit in fact, which shouldn't be prefixed with MSR_. So is MSR_IA32_FEATURE_VMXON_ENABLED. Signed-off-by: Sheng Yang <sheng.yang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15net/802/fc.c: Fix compilation warningsManish Katiyar
Signed-off-by: Manish Katiyar <mkatiyar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-14Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-10-14netns: correct mib stats in ip6_route_me_harder()Alexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-14netns: fix net_generic array leakAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-14ocfs2: fix build errorMark Fasheh
I merged the latest ocfs2_read_blocks() changes in xattr.c wrong. This makes Ocfs2 compile again. Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-10-14rt2x00: fix regression introduced by "mac80211: free up 2 bytes in skb->cb"Felix Fietkau
The hw_key pointer is used (and obviously NULL) after skb->cb is memset to 0. This patch grabs the iv_len before the memset call. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Stephen Blackheath <tramp.enshrine.stephen@blacksapphire.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14rtl8187: Add USB ID for Belkin F5D7050 with RTL8187B chipFlorent Fourcot
The Belkin F5D7050rev5000de (id 050d:705e) has the Realtek RTL8187B chip and works with the 2.6.27 driver. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14p54usb: Device ID updatesChristian Lamparter
This patch updates p54usb's device list. It adds the ID for SMC 2862W-G v2 and marks the "Spinnaker Proto board" as a first generation device. Reported-by: <jafg666@gmail.com> Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14mac80211: fixme for kernel-docRandy Dunlap
Fix kernel-doc warnings in mac80211.h. Fields need real explanations added to them. Warning(lin2627-g3-kdocfixes//include/net/mac80211.h:659): No description found for parameter 'icv_len' Warning(lin2627-g3-kdocfixes//include/net/mac80211.h:659): No description found for parameter 'iv_len' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14ath9k/mac80211: disallow fragmentation in ath9k, report to userspaceJohannes Berg
As I've reported, ath9k currently fails utterly when fragmentation is enabled. This makes ath9k "support" hardware fragmentation by not supporting fragmentation at all to avoid the double-free issue. The patch also changes mac80211 to report errors from the driver operation to userspace. That hack in ath9k should be removed once the rate control algorithm it has is fixed, and we can at that time consider removing the hw fragmentation support entirely since it's not used by any driver. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: stable@kernel.org Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14libertas : Remove unused variable warning for "old_channel" from cmd.cManish Katiyar
Below patch removes the following warning during compilation. drivers/net/wireless/libertas/cmd.c:826: warning: unused variable 'old_channel' Signed-off-by : Manish Katiyar <mkatiyar@gmail.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14mac80211: Fix scan RX processing oopsJouni Malinen
ieee80211_bss_info_update() can return NULL. Verify that this is not the case before calling ieee802111_rx_bss_put() which would trigger an oops in interrupt context in atomic_dec_and_lock(). Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Benoit Papillault <benoit.papillault@free.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14orinoco: fix unsafe locking in spectrum_cs_suspendDavid Kilroy
A similar problem was highlighted in the orinoco_cs driver by lockdep. This patch fixes the spectrum_cs driver. Signed-off-by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14orinoco: fix unsafe locking in orinoco_cs_resumeAndrey Borzenkov
[ 6972.562035] ================================= [ 6972.562040] [ INFO: inconsistent lock state ] [ 6972.562048] 2.6.27-1avb #17 [ 6972.562053] --------------------------------- [ 6972.562060] inconsistent {in-hardirq-W} -> {hardirq-on-W} usage. [ 6972.562068] pm-suspend/17062 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 6972.562076] (&priv->lock){++..}, at: [<dfd4f05b>] orinoco_cs_resume+0x5b/0xd0 [orinoco_cs] [ 6972.562122] {in-hardirq-W} state was registered at: [ 6972.562128] [<c013ea6b>] __lock_acquire+0x6cb/0x1640 [ 6972.562171] [<c013fa3c>] lock_acquire+0x5c/0x80 [ 6972.562181] [<c02f6e39>] _spin_lock_irqsave+0x49/0x80 [ 6972.562210] [<dfd6425d>] orinoco_interrupt+0x4d/0x16d0 [orinoco] [ 6972.562257] [<c015a2b1>] handle_IRQ_event+0x31/0x60 [ 6972.562278] [<c015b73e>] handle_level_irq+0x6e/0xe0 [ 6972.562291] [<c0104b20>] do_IRQ+0xb0/0x130 [ 6972.562313] [<ffffffff>] 0xffffffff Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14cfg80211: fix debugfs error handlingJohannes Berg
If something goes wrong creating the debugfs dir or when debugfs is not compiled in, the current code might lead to trouble; make it more robust. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14mac80211: fix debugfs netdev renameJohannes Berg
If, for some reason, a netdev has no debugfs dir, we shouldn't try to rename that dir. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Robin Holt <holt@sgi.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14iwlwifi: fix ct kill configuration for 5350Tomas Winkler
This patch fixes ct kill configuration for 5350. Temperature units that HW expects are in Celsius not in kelvins. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14mac80211: fix HT information element parsingJohannes Berg
There's no checking that the HT IEs are of the right length which can be used by an attacker to cause an out-of-bounds access by sending a too short HT information/capability IE. Fix it by simply pretending those IEs didn't exist when too short. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14p54: Fix compilation problem on PPCLarry Finger
The commit entitled "p54: Fix sparse warnings" introduced a compile error on PPC architecture. Thanks to Johannes Berg <johannes@sipsolutions.net> for reporting this problem. Signed-off-by: <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14mac80211: fix debugfs lockupJohannes Berg
When debugfs_create_dir fails, sta_info_debugfs_add_work will not terminate because it will find the same station again and again. This is possible whenever debugfs fails for whatever reason; one reason is a race condition in mac80211, unfortunately we cannot do much about it, so just document it, it just means some station may be missing from debugfs. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Robin Holt <holt@sgi.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14iwlwifi: fix compilation warning when CONFIG_IWLWIFI_DEBUG is not set.Rami Rosen
When CONFIG_IWLWIFI_DEBUG is not set and CONFIG_IWLWIFI is set, we get this compilation warning: /wireless-next-2.6/drivers/net/wireless/iwlwifi/iwl-agn-rs.c: In function 'rs_free_sta': /wireless-next-2.6/drivers/net/wireless/iwlwifi/iwl-agn-rs.c:2425: warning: unused variable 'priv' This patch fixes it by adding __maybe_unused attribute. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-15Merge commit 'origin'Benjamin Herrenschmidt
Manual fixup of conflicts on: arch/powerpc/include/asm/dcr-regs.h drivers/net/ibm_newemac/core.h
2008-10-14rtl8187: add device ID 0bda:8198John W. Linville
Reported by zOOmER.gm@gmail.com to work here: http://bugzilla.kernel.org/show_bug.cgi?id=11728 Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-10-14Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c-viapro: Add support for SMBus Process Call transactions i2c: Restore i2c_smbus_process_call function i2c: Do earlier driver model init i2c: Only build Tyan SMBus mux drivers on x86 i2c: Guard against oopses from bad init sequences i2c: Document the implementation details of the /dev interface i2c: Improve dev-interface documentation i2c-parport-light: Don't register a platform device resource hwmon: (dme1737) Convert to a new-style i2c driver hwmon: (dme1737) Be less i2c-centric i2c/tps65010: Vibrator hookup to gpiolib i2c-viapro: Add VX800/VX820 support i2c: Renesas Highlander FPGA SMBus support i2c-pca-isa: Don't grab arbitrary resources i2c/isp1301_omap: Convert to a new-style i2c driver, part 2 i2c/isp1301_omap: Convert to a new-style i2c driver, part 1
2008-10-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (55 commits) HID: build drivers for all quirky devices by default HID: add missing blacklist entry for Apple ATV ircontrol HID: add support for Bright ABNT2 brazilian device HID: Don't let Avermedia Radio FM800 be handled by usb hid drivers HID: fix numlock led on Dell device 0x413c/0x2105 HID: remove warn() macro from usb hid drivers HID: remove info() macro from usb HID drivers HID: add appletv IR receiver quirk HID: fix a lockup regression when using force feedback on a PID device HID: hiddev.h: Fix example code. HID: hiddev.h: Fix mixed space and tabs in example code. HID: convert to dev_* prints HID: remove hid-ff HID: move zeroplus FF processing HID: move thrustmaster FF processing HID: move pantherlord FF processing HID: fix incorrent length condition in hidraw_write() HID: fix tty<->hid deadlock HID: ignore iBuddy devices HID: report descriptor fix for remaining MacBook JIS keyboards ...
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