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2012-12-05cifs: remove uneeded __KERNEL__ block from cifsacl.hJeff Layton
...and make those symbols static in cifsacl.c. Nothing outside of that file refers to them. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: fix the format specifiers in sid_to_strJeff Layton
The format specifiers are for signed values, but these are unsigned. Given that '-' is a delimiter between fields, I don't think you'd get what you'd expect if you got a value here that would overflow the sign bit. The version and authority fields are 8 bit values so use a "hh" length modifier there. The subauths are 32 bit values, so there's no need to use a "l" length modifier there. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: redefine NUM_SUBAUTH constant from 5 to 15Jeff Layton
According to several places on the Internet and the samba winbind code, this is hard limited to 15 in windows, not 5. This does balloon out the allocation of each by 40 bytes, but I don't see any alternative. Also, rename it to SID_MAX_SUB_AUTHORITIES to match the alleged name of this constant in the windows header files Finally, rename SIDLEN to SID_STRING_MAX, fix the value to reflect the change to SID_MAX_SUB_AUTHORITIES and document how it was determined. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: make cifs_copy_sid handle a source sid with variable size subauth arraysJeff Layton
...and lift the restriction in id_to_sid upcall that the size must be at least as big as a full cifs_sid. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: make compare_sids staticJeff Layton
..nothing outside of cifsacl.c calls it. Also fix the incorrect comment on the function. It returns 0 when they match. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: use the NUM_AUTHS and NUM_SUBAUTHS constants in cifsacl codeJeff Layton
...instead of hardcoding in '5' and '6' all over the place. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: move num_subauth check inside of CONFIG_CIFS_DEBUG2 check in parse_sid()Jeff Layton
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: clean up id_mode_to_cifs_aclJeff Layton
Add a label we can goto on error, and get rid of some excess indentation. Also move to kernel-style comments. Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05cifs: fix types on module parametersJeff Layton
Most of these are unsigned ints, so we should be passing "uint" to module_param. Also, get rid of the extra "(bool)" in the description of enable_oplocks. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-12-05default authentication needs to be at least ntlmv2 security for cifs mountsSteve French
We had planned to upgrade to ntlmv2 security a few releases ago, and have been warning users in dmesg on mount about the impending upgrade, but had to make a change (to use nltmssp with ntlmv2) due to testing issues with some non-Windows, non-Samba servers. The approach in this patch is simpler than earlier patches, and changes the default authentication mechanism to ntlmv2 password hashes (encapsulated in ntlmssp) from ntlm (ntlm is too weak for current use and ntlmv2 has been broadly supported for many, many years). Signed-off-by: Steve French <smfrench@gmail.com> Acked-by: Jeff Layton <jlayton@redhat.com>
2012-12-05MIPS: Fix endless loop when processing signals for kernel tasksDmitry Adamushko
The problem occurs [1] when a kernel-mode task returns from a system call with a pending signal. A real-life scenario is a child of 'khelper' returning from a failed kernel_execve() in ____call_usermodehelper() [ kernel/kmod.c ]. kernel_execve() fails due to a pending SIGKILL, which is the result of "kill -9 -1" (at least, busybox's init does it upon reboot). The loop is as follows: * syscall_exit_work: - work_pending: // start_of_the_loop - work_notifysig: - do_notify_resume() - do_signal() - if (!user_mode(regs)) return; - resume_userspace // TIF_SIGPENDING is still set - work_pending // so we call work_pending => goto // start_of_the_loop More information can be found in another LKML thread: http://www.serverphorums.com/read.php?12,457826 [1] The problem was also reproduced on !CONFIG_VM86 x86, and the following fix was accepted. http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29a2e2836ff9ea65a603c89df217f4198973a74f Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3571/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-12-05MIPS: R3000/R3081: Fix CPU detection.Ralf Baechle
Broken since e05ea74fc56f347f872ef9946d27c53e8bf20864 (lmo) rsp. cea7e2dfdef53fe55f359d00da562a268be06fd2 (kernel.org) [MIPS: Sort out CPU type to name translation.] These CPUs are no longer very popular to say the least ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Reported-by: Murphy McCauley <murphy.mccauley@gmail.com>
2012-12-05MIPS: N32: Fix signalfd4 syscall entry pointRalf Baechle
This needs to use the compat entry point or it's going to fail on big endian systems. Noticed by Al Viro. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-12-05hwmon: (da9055) Fix chan_mux[DA9055_ADC_ADCIN3] settingAxel Lin
Set chan_mux[DA9055_ADC_ADCIN3] = DA9055_ADC_MUX_ADCIN3. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05hwmon: DA9055 HWMON driverAshish Jangam
This is the HWMON patch for DA9055 PMIC and has got dependency on the DA9055 MFD core. This patch monitors the DA9055 PMIC's ADC channels vddout, junction temperature and auxiliary channels. This patch is functionally tested on Samsung SMDKV6410. Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com> [Guenter Roeck: Dropped __devinit, __devexit, __devexit_p] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05hwmon: (coretemp) List TjMax for Z650/670 and N550/570Guenter Roeck
as per processor data sheets. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-12-05hwmon: (coretemp) Drop N4xx, N5xx, D4xx, D5xx CPUs from tjmax tableGuenter Roeck
Since N4xx, N5xx, D4xx, and D5xx are now reliably detected using the model ID and the stepping/mask, drop the respective entries from tjmax_table. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-12-05hwmon: (coretemp) Use model table instead of if/else to identify CPU modelsGuenter Roeck
Make the code easier to extend and easier to adjust by using a model table listing CPU models, stepping/mask, and associated TjMax. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-12-05hwmon: da9052: Use da9052_reg_update for rmw operationsAxel Lin
Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05hwmon: (coretemp) Drop dependency on PCI for TjMax detection on Atom CPUsGuenter Roeck
So far, we use the NM10 Express Chipset PCI chip ID to detect TjMax for Atom CPUs with model 0x1c. As it turns out, we can use the CPU stepping (x86_mask) for the same purpose; stepping is 10 for all model 0x1c CPUs with TjMax of 100 degrees C. This was verified by checking the output of /proc/cpuinfo for the respective CPUs (D4xx, D5xx, N4xx, N5xx). Other CPUs currently covered by the same code (Exx, Z6xx, Z2460) are not supported by the NM10 Express Chipset. Most of those CPUs have TjMax of 90 degrees C, except for E6xxT models which have a TjMax of 110 degrees C. E6xxT CPUs can however not be detected by software. Calculate TjMax for Atom CPUs as follows. Note that the listed values are not correct in some cases (230, 330). tjmax_table is used for those to override the default values. ID Stepping TjMax Models 0x1c 10 100 D4xx, N4xx, D5xx, N5xx 0x1c not 10 90 Z5xx, N2xx, 230, 330, others 0x26 - 90 Atom Tunnel Creek (Exx), Lincroft (Z6xx) 0x27 - 90 Atom Medfield (Z2460) 0x36 - 100 Atom Cedar Trail (N2xxx, D2xxx) Also drop the module dependency on PCI. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-12-05hwmon: (ina2xx) use module_i2c_driver to simplify the codeWei Yongjun
Use the module_i2c_driver() macro to make the code smaller and a bit simpler. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05hwmon: (ads7828) add support for ADS7830Guillaume Roguez
The ADS7830 device is almost the same as the ADS7828, except that it does 8-bit sampling, instead of 12-bit. This patch extends the ads7828 driver to support this chip. Signed-off-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com> Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05hwmon: (ads7828) driver cleanupVivien Didelot
As there is no reliable way to identify the chip, it is preferable to remove the detect callback, to avoid misdetection. Module parameters are not worth it here, so let's get rid of them and add an ads7828_platform_data structure instead. Clean the code by removing unused macros, fixing coding style issues, avoiding function prototypes and using convenient macros such as module_i2c_driver(). Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05x86,AMD: Power driver support for AMD's family 16h processorsBoris Ostrovsky
Add family 16h PCI ID to AMD's power driver to allow it report power consumption on these processors. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2012-12-05vfs: clear to the end of the buffer on partial buffer readsDan Carpenter
READ is zero so the "rw & READ" test is always false. The intended test was "((rw & RW_MASK) == READ)". Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-12-05drm/i915: fixup l3 parity sysfs access checkDaniel Vetter
When l3 parity support for Haswell was enabled in commit f27b92651d72e863c308ea5dca5615fc98e38ca6 Author: Ben Widawsky <benjamin.widawsky@intel.com> Date: Tue Jul 24 20:47:32 2012 -0700 drm/i915: Expand DPF support to Haswell no one noticed that the patch which introduced this macro commit e1ef7cc299839e68dae3f1843f62e52acda04538 Author: Ben Widawsky <benjamin.widawsky@intel.com> Date: Tue Jul 24 20:47:31 2012 -0700 drm/i915: Macro to determine DPF support missed one spot. Fix this. Cc: Ben Widawsky <benjamin.widawsky@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=57441 Reviewed-by: Ben Widawsky <benjamin.widawsky@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-12-05s390/pci: enable NEED_DMA_MAP_STATEJan Glauber
The DMA API allows to avoid DMA unmaps because they are NOPs on some plattforms. But not on s390, so force them. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-12-05KVM: x86: Make register state after reset conform to specificationJulian Stecklina
VMX behaves now as SVM wrt to FPU initialization. Code has been moved to generic code path. General-purpose registers are now cleared on reset and INIT. SVM code properly initializes EDX. Signed-off-by: Julian Stecklina <jsteckli@os.inf.tu-dresden.de> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2012-12-05mac80211: skip radiotap space calculation if no monitor existsHelmut Schaa
The radiotap header length "needed_headroom" is only required if we're sending the skb to a monitor interface. Hence, move the calculation a bit later so the calculation can be skipped if no monitor interface is present. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-12-06ASoC: wm5110: Add LHPF coefficient configurationMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-12-06ASoC: wm5110: Add EQ coefficient configurationMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-12-06ASoC: wm5102: Make EQ coefficents configurableMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-12-05ext4: export inline xattr functionsTao Ma
The inline data feature will need some inline xattr functions, so export them from fs/ext4/xattr.c so that inline.c can use them. Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-12-05ALSA: hda: Add PCI device prefix for clarityDaniel J Blueman
When printing, use a prefix of the PCI domain, bus, device and function as in other drivers, to differentiate multiple devices. Important for reporting and debugging. A future step is to tidy this up with dev_printk et al. v2: Move conversion specifier into call site, preventing build issues v3: Refactor for Takashi's for-next branch Signed-off-by: Daniel J Blueman <daniel@quora.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-12-05kvm: don't use bit24 for detecting address-specific invalidation capabilityZhang Xiantao
Bit24 in VMX_EPT_VPID_CAP_MASI is not used for address-specific invalidation capability reporting, so remove it from KVM to avoid conflicts in future. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2012-12-05kvm: remove unnecessary bit checking for ept violationZhang Xiantao
Bit 6 in EPT vmexit's exit qualification is not defined in SDM, so remove it. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2012-12-05s390/pci: no msleep in potential IRQ contextJan Glauber
The PCI instructions may be used in IRQ context so scheduling is forbidden. Use udelay and shorten the delay since we are now polling. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-12-05kvm: deliver msi interrupts from irq handlerMichael S. Tsirkin
We can deliver certain interrupts, notably MSI, from atomic context. Use kvm_set_irq_inatomic, to implement an irq handler for msi. This reduces the pressure on scheduler in case where host and guest irq share a host cpu. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2012-12-05kvm: add kvm_set_irq_inatomicMichael S. Tsirkin
Add an API to inject IRQ from atomic context. Return EWOULDBLOCK if impossible (e.g. for multicast). Only MSI is supported ATM. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2012-12-05arm64: compat for clock_adjtime(2) is miswiredAl Viro
struct timex is different on arm and arm64; adjtimex(2) takes care to convert, clock_adjtime(2) doesn't... Signed-off-by: Al Viro <viro@ZenIV.linux.org.uk> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: <stable@vger.kernel.org>
2012-12-05arm64: move FP-SIMD save/restore code to a macroMarc Zyngier
In order to be able to reuse the save-restore code in KVM, move it to a pair of macros, similar to what the 32bit code does. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: hyp: initialize vttbr_el2 to zeroMarc Zyngier
The architecture doesn't mandate any reset value for vttbr_el2. Better set it to a known value before some HYP code gets confused. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: add hypervisor stubMarc Zyngier
If booted in EL2, install an dummy hypervisor whose only purpose is to be replaced by a full fledged one. A minimal API allows to: - obtain the current HYP vectors (__hyp_get_vectors) - set new HYP vectors (__hyp_set_vectors) Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: record boot mode when entering the kernelMarc Zyngier
To be able to signal the availability of EL2 to other parts of the kernel, record the boot mode. Once booted, two predicates indicate if HYP mode is available, and if not, whether this is due to a boot mode mismatch or not. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: move vector entry macro to assembler.hMarc Zyngier
This macro is also useful to other bits defining vectors (hypervisor stub, KVM...). Move it to a common location. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: add AArch32 execution modes to ptrace.hMarc Zyngier
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: expand register mapping between AArch32 and AArch64Marc Zyngier
The general purpose registers in AArch32 are mapped in an architecturally defined manner into the AArch64 registers. It allows the AArch32 registers of an application or a virtual machine to be inspected by the OS or an hypervisor. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: generic timer: use virtual counter instead of physical at EL0Will Deacon
We want to use the virtual counter at EL0, as the physical counter may not track the current clocksource for guests running under a hypervisor. This patch updates the vdso and generic timer driver to use the virtual counter. The kernel EL2 entry code is also updated to ensure that the virtual offset is initialised to zero. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: vdso: defer shifting of nanosecond component of timespecWill Deacon
Shifting the nanosecond component of the computed timespec early can lead to sub-ns inaccuracies when using the truncated value as input to further arithmetic for things like conversions to monotonic time. This patch defers the timespec shifting until after the final value has been computed. Reported-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: vdso: rework __do_get_tspec register allocation and return shiftWill Deacon
In preparation for sub-ns precision in the vdso timespec maths, change the __do_get_tspec register allocation so that we return the clocksource shift value instead of the unused xtime tspec. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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