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* Merge branch 'for-linus' of ↵Linus Torvalds2007-07-17
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: fix debug compilation error
| * 9p: fix debug compilation errorEric Van Hensbergen2007-07-16
| | | | | | | | | | | | | | | | s/9p/v9fs.c: In function 'v9fs_parse_options': fs/9p/v9fs.c:134: error: 'p9_debug_level' undeclared (first use in this function) Signed-off-by: Dave Jones <davej@redhat.com> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
* | Merge branch 'isdn-cleanup' of ↵Linus Torvalds2007-07-17
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'isdn-cleanup' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6: [ISDN] HiSax hfc_pci: minor cleanups [ISDN] HiSax bkm_a4t: split setup into two smaller functions [ISDN] HiSax enternow: split setup into 3 smaller functions [ISDN] HiSax netjet_u: split setup into 3 smaller functions [ISDN] HiSax netjet_s: code movement, prep for hotplug [ISDN] HiSax: move card state alloc/setup code into separate functions [ISDN] HiSax: move card setup into separate function
| * | [ISDN] HiSax hfc_pci: minor cleanupsJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * trim trailing whitespace * remove CONFIG_PCI ifdefs, this driver is always PCI (Kconfig enforced) * remove return statements at the tail of a function * remove indentation levels by returning an error code immediately. Makes the code much more readable, and easier to update to PCI hotplug API. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [ISDN] HiSax bkm_a4t: split setup into two smaller functionsJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | No behavior changes, just code movement. Prep for PCI hotplug API. Well, CONFIG_PCI useless ifdef was removed. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [ISDN] HiSax enternow: split setup into 3 smaller functionsJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | No behavior changes, just code movement. Prep for PCI hotplug API. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [ISDN] HiSax netjet_u: split setup into 3 smaller functionsJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | No behavior changes, just code movement. Prep for PCI hotplug API. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [ISDN] HiSax netjet_s: code movement, prep for hotplugJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) Remove CONFIG_PCI ifdefs. PCI is required in Kconfig. 2) Break up setup_netjet_s() into three separate internal functions. This helps facilitate upcoming use of PCI hotplug API, and in addition makes the code much easier to follow. No code is changed, just moved around. I even kept the out-of-favor "return(0)" style used in the current source code. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [ISDN] HiSax: move card state alloc/setup code into separate functionsJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | Just code movement. No code changes or cleanups besides that which is required to call the new functions from the old code site. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | [ISDN] HiSax: move card setup into separate functionJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | No behavior changes, just code movement. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | | Merge branch 'master' of ↵Linus Torvalds2007-07-17
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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]: Kill bogus set_fs(KERNEL_DS) in do_rt_sigreturn(). [SPARC64]: Update defconfig. [SPARC64]: Kill explicit %gl register reference.
| * | | [SPARC64]: Kill bogus set_fs(KERNEL_DS) in do_rt_sigreturn().Oleg Nesterov2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | From: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [SPARC64]: Update defconfig.David S. Miller2007-07-17
| | | | | | | | | | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [SPARC64]: Kill explicit %gl register reference.David S. Miller2007-07-17
| |/ / | | | | | | | | | | | | | | | | | | Older binutils can't handle it. Use SET_GL() instead, which is explicitly for this purpose. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'uninit-var' of ↵Linus Torvalds2007-07-17
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'uninit-var' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6: arch/i386/* fs/* ipc/*: mark variables with uninitialized_var() drivers/*: mark variables with uninitialized_var()
| * | | arch/i386/* fs/* ipc/*: mark variables with uninitialized_var()Jeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mark variables with uninitialized_var() if such a warning appears, and analysis proves that the var is initialized properly on all paths it is used. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/*: mark variables with uninitialized_var()Jeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mark variables in drivers/* with uninitialized_var() if such a warning appears, and analysis proves that the var is initialized properly on all paths it is used. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | | | Merge branch 'warnings' of ↵Linus Torvalds2007-07-17
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6 * 'warnings' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6: drivers/atm/ambassador: kill uninit'd var warning, and fix bug [libata] sata_mv: use pci_try_set_mwi() drivers/infiniband/hw/mthca/mthca_qp: kill uninit'd var warning drivers/net/wan/sbni: kill uninit'd var warning drivers/mtd/ubi/eba: minor cleanup: tighten scope of a local var drivers/telephony/ixj: cleanup and fix gcc warning drivers/net/wan/pc300_drv: fix bug caught by gcc warning drivers/usb/misc/auerswald: fix status check, remove redundant check [netdrvr] eepro100, ne2k-pci: abort resume if pci_enable_device() fails [netdrvr] natsemi: Fix device removal bug kernel/auditfilter: kill bogus uninit'd-var compiler warning
| * | | drivers/atm/ambassador: kill uninit'd var warning, and fix bugJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | An uninitialized variable warning illuminated an area where indeed the variable was being used without initialization. Unfortunately, after verifying all such paths were fixed, the warning still appears. So we follow the initialization practice of other variables in this function. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | [libata] sata_mv: use pci_try_set_mwi()Jeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | Because sometimes in life, it's ok to fail. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/infiniband/hw/mthca/mthca_qp: kill uninit'd var warningJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/infiniband/hw/mthca/mthca_qp.c: In function ‘mthca_tavor_post_send’: drivers/infiniband/hw/mthca/mthca_qp.c:1594: warning: ‘f0’ may be used uninitialized in this function drivers/infiniband/hw/mthca/mthca_qp.c: In function ‘mthca_arbel_post_send’: drivers/infiniband/hw/mthca/mthca_qp.c:1949: warning: ‘f0’ may be used uninitialized in this function Initializing 'f0' is not strictly necessary in either case, AFAICS. I was considering use of uninitialized_var(), but looking at the complex flow of control in each function, I feel it is wiser and safer to simply zero the var and be certain of ourselves. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/net/wan/sbni: kill uninit'd var warningJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | It's actually convenient in the code to initialize this and a sister variable to zero. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/mtd/ubi/eba: minor cleanup: tighten scope of a local varJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/telephony/ixj: cleanup and fix gcc warningJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) Fix gcc uninit'd var warnings by adding 'default' switch stmt labels in two cases. It was lightning-strikes unlikely that a problem would ever arise, but not impossible. 2) Tighten the scope of 'blankword' in two cases. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/net/wan/pc300_drv: fix bug caught by gcc warningJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The warning drivers/net/wan/pc300_drv.c: In function ‘cpc_open’: drivers/net/wan/pc300_drv.c:2942: warning: ‘br’ may be used uninitialized in this function was valid. Ensure 'br' is initialized in all cases. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | drivers/usb/misc/auerswald: fix status check, remove redundant checkJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) We should only set 'actual_length' output variable if usb length is known to be good. 2) No need to check actual_length for NULL. The only caller always passes non-NULL value. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | [netdrvr] eepro100, ne2k-pci: abort resume if pci_enable_device() failsJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | [netdrvr] natsemi: Fix device removal bugJeff Garzik2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This episode illustrates how an overused warning can train people to ignore that warning, which winds up hiding bugs. The warning drivers/net/natsemi.c: In function ‘natsemi_remove1’: drivers/net/natsemi.c:3222: warning: ignoring return value of ‘device_create_file’, declared with attribute warn_unused_result is oft-ignored, even though at close inspection one notices this occurs in the /remove/ function, not normally where creation occurs. A quick s/create/remove/ and we are fixed, with the warning gone. Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | kernel/auditfilter: kill bogus uninit'd-var compiler warningJeff Garzik2007-07-17
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kill this warning... kernel/auditfilter.c: In function ‘audit_receive_filter’: kernel/auditfilter.c:1213: warning: ‘ndw’ may be used uninitialized in this function kernel/auditfilter.c:1213: warning: ‘ndp’ may be used uninitialized in this function ...with a simplification of the code. audit_put_nd() can accept NULL arguments, just like kfree(). It is cleaner to init two existing vars to NULL, remove the redundant test variable 'putnd_needed' branches, and call audit_put_nd() directly. As a desired side effect, the warning goes away. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | | smp_call_function_single() should be a macro on UPAl Viro2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... or we end up with header include order problems from hell. E.g. on m68k this is 100% fatal - local_irq_enable() there wants preempt_count(), which wants task_struct fields, which we won't have when we are in smp.h pulled from sched.h. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | mixart: Add missing vmalloc.h includeFrank Lichtenheld2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes the following build error: CC sound/pci/mixart/mixart_hwdep.o sound/pci/mixart/mixart_hwdep.c: In function ‘mixart_hwdep_dsp_load’: sound/pci/mixart/mixart_hwdep.c:610: error: implicit declaration of function ‘vmalloc’ sound/pci/mixart/mixart_hwdep.c:617: error: implicit declaration of function ‘vfree’ Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | hppb: Add missing dma-mapping.h includeFrank Lichtenheld2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the following build-error: CC drivers/parisc/hppb.o drivers/parisc/hppb.c: In function ‘hppb_probe’: drivers/parisc/hppb.c:73: error: implicit declaration of function ‘ccio_request_resource’ Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid checkSatyam Sharma2007-07-17
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce is_owner_or_cap() macro in fs.h, and convert over relevant users to it. This is done because we want to avoid bugs in the future where we check for only effective fsuid of the current task against a file's owning uid, without simultaneously checking for CAP_FOWNER as well, thus violating its semantics. [ XFS uses special macros and structures, and in general looked ... untouchable, so we leave it alone -- but it has been looked over. ] The (current->fsuid != inode->i_uid) check in generic_permission() and exec_permission_lite() is left alone, because those operations are covered by CAP_DAC_OVERRIDE and CAP_DAC_READ_SEARCH. Similarly operations falling under the purview of CAP_CHOWN and CAP_LEASE are also left alone. Signed-off-by: Satyam Sharma <ssatyam@cse.iitk.ac.in> Cc: Al Viro <viro@ftp.linux.org.uk> Acked-by: Serge E. Hallyn <serge@hallyn.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2007-07-17
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (80 commits) KVM: Use CPU_DYING for disabling virtualization KVM: Tune hotplug/suspend IPIs KVM: Keep track of which cpus have virtualization enabled SMP: Allow smp_call_function_single() to current cpu i386: Allow smp_call_function_single() to current cpu x86_64: Allow smp_call_function_single() to current cpu HOTPLUG: Adapt thermal throttle to CPU_DYING HOTPLUG: Adapt cpuset hotplug callback to CPU_DYING HOTPLUG: Add CPU_DYING notifier KVM: Clean up #includes KVM: Remove kvmfs in favor of the anonymous inodes source KVM: SVM: Reliably detect if SVM was disabled by BIOS KVM: VMX: Remove unnecessary code in vmx_tlb_flush() KVM: MMU: Fix Wrong tlb flush order KVM: VMX: Reinitialize the real-mode tss when entering real mode KVM: Avoid useless memory write when possible KVM: Fix x86 emulator writeback KVM: Add support for in-kernel pio handlers KVM: VMX: Fix interrupt checking on lightweight exit KVM: Adds support for in-kernel mmio handlers ...
| * | KVM: Use CPU_DYING for disabling virtualizationAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | Only at the CPU_DYING stage can we be sure that no user process will be scheduled onto the cpu and oops when trying to use virtualization extensions. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: Tune hotplug/suspend IPIsAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | The hotplug IPIs can be called from the cpu on which we are currently running on, so use on_cpu(). Similarly, drop on_each_cpu() for the suspend/resume callbacks, as we're in atomic context here and only one cpu is up anyway. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: Keep track of which cpus have virtualization enabledAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | By keeping track of which cpus have virtualization enabled, we prevent double-enable or double-disable during hotplug, which is a very fatal oops. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | SMP: Allow smp_call_function_single() to current cpuAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | This removes the requirement for callers to get_cpu() to check in simple cases. This patch is for !CONFIG_SMP. Cc: Andi Kleen <ak@suse.de> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | i386: Allow smp_call_function_single() to current cpuAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | This removes the requirement for callers to get_cpu() to check in simple cases. Cc: Andi Kleen <ak@suse.de> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | x86_64: Allow smp_call_function_single() to current cpuAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | This removes the requirement for callers to get_cpu() to check in simple cases. Cc: Andi Kleen <ak@suse.de> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | HOTPLUG: Adapt thermal throttle to CPU_DYINGAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | CPU_DYING is notified in atomic context, so no taking mutexes here. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | HOTPLUG: Adapt cpuset hotplug callback to CPU_DYINGAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | CPU_DYING is called in atomic context, so don't try to take any locks. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | HOTPLUG: Add CPU_DYING notifierAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | KVM wants a notification when a cpu is about to die, so it can disable hardware extensions, but at a time when user processes cannot be scheduled on the cpu, so it doesn't try to use virtualization extensions after they have been disabled. This adds a CPU_DYING notification. The notification is called in atomic context on the doomed cpu. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: Clean up #includesAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | Remove unnecessary ones, and rearange the remaining in the standard order. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: Remove kvmfs in favor of the anonymous inodes sourceAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | kvm uses a pseudo filesystem, kvmfs, to generate inodes, a job that the new anonymous inodes source does much better. Cc: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: SVM: Reliably detect if SVM was disabled by BIOSJoerg Roedel2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds an implementation to the svm is_disabled function to detect reliably if the BIOS disabled the SVM feature in the CPU. This fixes the issues with kernel panics when loading the kvm-amd module on machines where SVM is available but disabled. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: VMX: Remove unnecessary code in vmx_tlb_flush()Avi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | A vmexit implicitly flushes the tlb; the code is bogus. Noted by Shaohua Li. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: MMU: Fix Wrong tlb flush orderShaohua Li2007-07-16
| | | | | | | | | | | | | | | | | | | | | Need to flush the tlb after updating a pte, not before. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: VMX: Reinitialize the real-mode tss when entering real modeAvi Kivity2007-07-16
| | | | | | | | | | | | | | | | | | | | | Protected mode code may have corrupted the real-mode tss, so re-initialize it when switching to real mode. Signed-off-by: Avi Kivity <avi@qumranet.com>
| * | KVM: Avoid useless memory write when possibleLuca Tettamanti2007-07-16
| | | | | | | | | | | | | | | | | | | | | | | | When writing to normal memory and the memory area is unchanged the write can be safely skipped, avoiding the costly kvm_mmu_pte_write. Signed-Off-By: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
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