- 24 Jun, 2013 3 commits
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Mark Rutland authored
When booting fewer cores than are physically present on a versatile platform (e.g. when passing maxcpus=N on the command line), some secondary cores may remain in the holding pen, which is marked __INIT, as each CPU's gic cpumask is initialised to 0xff, and thus an IPI to any CPU will wake up *all* secondaries. This behaviour is crucial to the GIC cpumask self-discovery. Late in the boot process, the memory comprising the holding pen will be released to the kernel for more general use, and may be overwritten with arbitrary data, which can cause the held secondaries to start behaving unpredictably. This can lead to all manner of odd behaviour from the kernel. As preventing cpus from entering the pen would require invasive changes to the GIC driver and to existing dts used in the wild, we instead remove the __INIT marker from the pen, keeping it around and leaving the unused secondary CPUs dormant. Link: http://lists.infradead.org/pipermail/linux-arm-kernel/2013-June/175039.htmlSigned-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Pawel Moll <pawel.moll@arm.com> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Jed Davis authored
With this change, we no longer lose the innermost entry in the user-mode part of the call chain. See also the x86 port, which includes the ip. It's possible to partially work around this problem by post-processing the data to use the PERF_SAMPLE_IP value, but this works only if the CPU wasn't in the kernel when the sample was taken. Cc: <stable@vger.kernel.org> Signed-off-by: Jed Davis <jld@mozilla.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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André Hentschel authored
Since commit 6a1c5312 the user writeable TLS register was zeroed to prevent it from being used as a covert channel between two tasks. There are more and more applications coming to Windows RT, Wine could support them, but mostly they expect to have the thread environment block (TEB) in TPIDRURW. This patch preserves that register per thread instead of clearing it. Unlike the TPIDRURO, which is already switched, the TPIDRURW can be updated from userspace so needs careful treatment in the case that we modify TPIDRURW and call fork(). To avoid this we must always read TPIDRURW in copy_thread. Signed-off-by: André Hentschel <nerv@dawncrow.de> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Jonathan Austin <jonathan.austin@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 17 Jun, 2013 5 commits
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Eduardo Valentin authored
Bandgap is a device used to measure temperature on electronic equipments. It is widely used in digital integrated circuits. It is based on the dependency between silicon voltage and temperature. This patch introduce HAS_BANDGAP config entry. This config is a boolean value so that arch code can flag if they feature a bandgap device. This config entry follows the same idea behind ARCH_HAS_CPUFREQ. Cc: linux-arm-kernel@lists.infradead.org Cc: linux-omap@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Fabio Stevam <festevam@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Will Deacon authored
When scheduling an mm on a CPU where it hasn't previously been used, we flush the icache on that CPU so that any code loaded previously on a different core can be safely executed. For cores with hardware broadcasting of cache maintenance operations, this is clearly unnecessary, since the inner-shareable invalidation in __sync_icache_dcache will affect all CPUs. This patch conditionalises the icache flush in switch_mm based on cache_ops_need_broadcast(). Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Albin Tonnerre <albin.tonnerre@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
When zImage is loaded into RAM at a low address but TEXT_OFFSET is set higher, we risk overwriting ourself with the page table needed to turn on the cache as it is located relative to the relocation address. Let's defer the cache setup after relocation in that case. Signed-off-by: Nicolas Pitre <nico@linaro.org> Reported-by: Stephen Boyd <sboyd@codeurora.org> Tested-by: Stephen Boyd <sboyd@codeurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Will Deacon authored
An exclusive store instruction may fail for reasons other than lock contention (e.g. a cache eviction during the critical section) so, in line with other architectures using similar exclusive instructions (alpha, mips, powerpc), retry the trylock operation if the lock appears to be free but the strex reported failure. Reported-by: Tony Thompson <anthony.thompson@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Will Deacon authored
Running an OABI_COMPAT kernel on an SMP platform can lead to fun and games with page aging. If one CPU issues a swi instruction immediately before another CPU decides to mkold the page containing the swi instruction, then we will fault attempting to load the instruction during the vector_swi handler in order to retrieve its immediate field. Since this fault is not currently dealt with by our exception tables, this results in a panic: Unable to handle kernel paging request at virtual address 4020841c pgd = c490c000 [4020841c] *pgd=84451831, *pte=bf05859d, *ppte=00000000 Internal error: Oops: 17 [#1] PREEMPT SMP ARM Modules linked in: hid_sony(O) CPU: 1 Tainted: G W O (3.4.0-perf-gf496dca-01162-gcbcc62b #1) PC is at vector_swi+0x28/0x88 LR is at 0x40208420 This patch wraps all of the swi instruction loads with the USER macro and provides a shared exception table entry which simply rewinds the saved user PC and returns from the system call (without setting tbl, so there's no worries with tracing or syscall restarting). Returning to userspace will re-enter the page fault handler, from where we will probably send SIGSEGV to the current task. Reported-by: Wang, Yalin <yalin.wang@sonymobile.com> Reviewed-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 05 Jun, 2013 1 commit
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Ming Lei authored
Currently flush_dcache_page() thinks pages as non-mapped if mapping_mapped(mapping) return false. This approach is very coase: - mmap on part of file may cause all pages backed on the file being thought as mmaped - file-backed pages aren't mapped into user space actually if the memory mmaped on the file isn't accessed This patch uses page_mapped() to decide if the page has been mapped. From the attached test code, I find there is much performance improvement(>25%) when accessing page caches via read under this situations, so memcpy benefits a lot from not flushing cache under this situation. No. read time without the patch No. read time with the patch ================================================================ No. 0, time 22615636 us No. 0, time 22014717 us No. 1, time 4387851 us No. 1, time 3113184 us No. 2, time 4276535 us No. 2, time 3005244 us No. 3, time 42598219 us No. 3, time 3001565 us No. 4, time 4263811 us No. 4, time 3002748 us No. 5, time 4258486 us No. 5, time 3004104 us No. 6, time 4253009 us No. 6, time 3002188 us No. 7, time 4262809 us No. 7, time 2998196 us No. 8, time 4264525 us No. 8, time 3007255 us No. 9, time 4267795 us No. 9, time 3005094 us 1), No.0. is to read the file from storage device, and others are to read the file from page caches basically. 2), file size is 512M, and is on ext4 over usb mass storage. 3), the test is done on Pandaboard. unsigned int sum = 0; unsigned long sum_val = 0; static unsigned long tv_diff(struct timeval *tv1, struct timeval *tv2) { return (tv2->tv_sec - tv1->tv_sec) * 1000000 + (tv2->tv_usec - tv1->tv_usec); } int main(int argc, char *argv[]) { char *mbuf, fbuf; int fd; int i; unsigned long page_size, size; struct stat stat; struct timeval t1, t2; unsigned char *rbuf = malloc(32 * page_size); if (!rbuf) { printf(" %sn", "malloc failed"); exit(-1); } page_size = getpagesize(); fd = open(argv[1], O_RDWR); assert(fd >= 0); fstat(fd, &stat); size = stat.st_size; printf("%s: file %s, size %lu, page size %lun", argv[0], argv[1], size, page_size); gettimeofday(&t1, NULL); mbuf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (!mbuf) { printf(" %sn", "mmap failed"); exit(-1); } for (i = 0 ; i < size ; i += (page_size * 32)) { int rcnt; lseek(fd, i, SEEK_SET); rcnt = read(fd, rbuf, page_size * 32); if (rcnt != page_size * 32) { printf("%s: read faildn", __func__); exit(-1); } } free(rbuf); munmap(mbuf, size); gettimeofday(&t2, NULL); printf("tread mmaped time: %luusn", tv_diff(&t1, &t2)); close(fd); } Cc: Michel Lespinasse <walken@google.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 22 May, 2013 2 commits
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Ming Lei authored
It is common for one sg to include many pages, so mark all these pages as clean to avoid unnecessary flushing on them in set_pte_at() or update_mmu_cache(). The patch might improve loading performance of applciation code a bit. On the below test code to read file(~1GByte size) from usb mass storage disk to buffer created with mmap(PROT_READ | PROT_EXEC) on Pandaboard, average ~1% improvement can be observed with the patch on 10 times test. unsigned int sum = 0; static unsigned long tv_diff(struct timeval *tv1, struct timeval *tv2) { return (tv2->tv_sec - tv1->tv_sec) * 1000000 + (tv2->tv_usec - tv1->tv_usec); } int main(int argc, char *argv[]) { char *mbuffer; int fd; int i; unsigned long page_size, size; struct stat stat; struct timeval t1, t2; page_size = getpagesize(); fd = open(argv[1], O_RDONLY); assert(fd >= 0); fstat(fd, &stat); size = stat.st_size; printf("%s: file %s, file size %lu, page size %lun", argv[0], read_filename, size, page_size); gettimeofday(&t1, NULL); mbuffer = mmap(NULL, size, PROT_READ | PROT_EXEC, MAP_SHARED, fd, 0); for (i = 0 ; i < size ; i += page_size) sum += mbuffer[i]; munmap(mbuffer, page_size); gettimeofday(&t2, NULL); printf("tread mmaped time: %luusn", tv_diff(&t1, &t2)); close(fd); } Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Laura Abbott authored
Several of the ioremap functions use unsigned long in places resulting in truncation if physical addresses greater than 4G are passed in. Change the types of the functions and the callers accordingly. Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 15 May, 2013 4 commits
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Christian Daudt authored
Rev A2 SoCs have an unorthodox memory re-mapping and this needs to be reflected in the cache operations. This patch adds new outer cache functions for the l2x0 driver to support this SoC revision. It also adds a new compatible value for the cache to enable this functionality. Updates from V1: - remove section 1 altogether and note that in comments - simplify section selection caused by section 1 removal - BUG_ON just in case section 1 shows up Signed-off-by: Christian Daudt <csd@broadcom.com> Reviewed-by: Will Deacon <will.deacon@arm.com> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Gregory CLEMENT authored
When CONFIG_ARM_APPENDED_DTB is selected, if the bootloader provides an ATAG_MEM it replaces the memory size and the memory address in the memory node of the device tree. In the case of a system which can handle more than 4GB, the memory node cell size is 4: each data (memory size and memory address) are 64 bits and then use 2 cells. The current code in atags_to_fdt.c made the assumption of a cell size of 2 (one cell for the memory size and one cell for the memory address), this leads to an improper write of the data and ends with a boot hang. This patch writes the memory size and the memory address on the memory node in the device tree depending of the size of the memory node (32 bits or 64 bits). It has been tested in the 2 cases: - with a dtb using skeleton.dtsi - and with a dtb using skeleton64.dtsi Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Arnd Bergmann authored
In OABI configurations, some uses of the do_div function cause gcc to run out of registers. To work around that, we can force the use of the out-of-line version for configurations that build a OABI kernel. Without this patch, building netx_defconfig results in: net/core/pktgen.c: In function 'pktgen_if_show': net/core/pktgen.c:682:2775: error: can't find a register in class 'GENERAL_REGS' while reloading 'asm' net/core/pktgen.c:682:3153: error: can't find a register in class 'GENERAL_REGS' while reloading 'asm' net/core/pktgen.c:682:2775: error: 'asm' operand has impossible constraints net/core/pktgen.c:682:3153: error: 'asm' operand has impossible constraints Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Ming Lei authored
Commit 14318efb(ARM: 7587/1: implement optimized percpu variable access) introduces arm's __my_cpu_offset to optimize percpu vaiable access, which really works well on hackbench, but will cause __my_cpu_offset to return garbage value before it is initialized in cpu_init() called by setup_arch, so accessing percpu variable before setup_arch may cause kernel hang. But generic __my_cpu_offset always returns zero before percpu area is brought up, and won't hang kernel. So the patch tries to clear __my_cpu_offset on boot CPU early to avoid boot hang. At least now percpu variable is accessed by lockdep before setup_arch(), and enabling CONFIG_LOCK_STAT or CONFIG_DEBUG_LOCKDEP can trigger kernel hang. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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- 12 May, 2013 2 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing/kprobes update from Steven Rostedt: "The majority of these changes are from Masami Hiramatsu bringing kprobes up to par with the latest changes to ftrace (multi buffering and the new function probes). He also discovered and fixed some bugs in doing so. When pulling in his patches, I also found a few minor bugs as well and fixed them. This also includes a compile fix for some archs that select the ring buffer but not tracing. I based this off of the last patch you took from me that fixed the merge conflict error, as that was the commit that had all the changes I needed for this set of changes." * tag 'trace-fixes-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/kprobes: Support soft-mode disabling tracing/kprobes: Support ftrace_event_file base multibuffer tracing/kprobes: Pass trace_probe directly from dispatcher tracing/kprobes: Increment probe hit-count even if it is used by perf tracing/kprobes: Use bool for retprobe checker ftrace: Fix function probe when more than one probe is added ftrace: Fix the output of enabled_functions debug file ftrace: Fix locking in register_ftrace_function_probe() tracing: Add helper function trace_create_new_event() to remove duplicate code tracing: Modify soft-mode only if there's no other referrer tracing: Indicate enabled soft-mode in enable file tracing/kprobes: Fix to increment return event probe hit-count ftrace: Cleanup regex_lock and ftrace_lock around hash updating ftrace, kprobes: Fix a deadlock on ftrace_regex_lock ftrace: Have ftrace_regex_write() return either read or error tracing: Return error if register_ftrace_function_probe() fails for event_enable_func() tracing: Don't succeed if event_enable_func did not register anything ring-buffer: Select IRQ_WORK
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- 11 May, 2013 4 commits
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Linus Torvalds authored
Merge tag 'stable/for-linus-3.10-rc0-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull Xen bug-fixes from Konrad Rzeszutek Wilk: - More fixes in the vCPU PVHVM hotplug path. - Add more documentation. - Fix various ARM related issues in the Xen generic drivers. - Updates in the xen-pciback driver per Bjorn's updates. - Mask the x2APIC feature for PV guests. * tag 'stable/for-linus-3.10-rc0-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/pci: Used cached MSI-X capability offset xen/pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK xen: clear IRQ_NOAUTOEN and IRQ_NOREQUEST xen: mask x2APIC feature in PV xen: SWIOTLB is only used on x86 xen/spinlock: Fix check from greater than to be also be greater or equal to. xen/smp/pvhvm: Don't point per_cpu(xen_vpcu, 33 and larger) to shared_info xen/vcpu: Document the xen_vcpu_info and xen_vcpu xen/vcpu/pvhvm: Fix vcpu hotplugging hanging.
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull second SCSI update from James "Jaj B" Bottomley: "This is the final round of SCSI patches for the merge window. It consists mostly of driver updates (bnx2fc, ibmfc, fnic, lpfc, be2iscsi, pm80xx, qla4x and ipr). There's also the power management updates that complete the patches in Jens' tree, an iscsi refcounting problem fix from the last pull, some dif handling in scsi_debug fixes, a few nice code cleanups and an error handling busy bug fix." * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (92 commits) [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd [SCSI] sd: change to auto suspend mode [SCSI] sd: use REQ_PM in sd's runtime suspend operation [SCSI] qla4xxx: Fix iocb_cnt calculation in qla4xxx_send_mbox_iocb() [SCSI] ufs: Correct the expected data transfersize ...
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linuxLinus Torvalds authored
Pull idle update from Len Brown: "Add support for new Haswell-ULT CPU idle power states" * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: intel_idle: initial C8, C9, C10 support tools/power turbostat: display C8, C9, C10 residency
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git://git.infradead.org/users/eparis/auditLinus Torvalds authored
Pull audit changes from Eric Paris: "Al used to send pull requests every couple of years but he told me to just start pushing them to you directly. Our touching outside of core audit code is pretty straight forward. A couple of interface changes which hit net/. A simple argument bug calling audit functions in namei.c and the removal of some assembly branch prediction code on ppc" * git://git.infradead.org/users/eparis/audit: (31 commits) audit: fix message spacing printing auid Revert "audit: move kaudit thread start from auditd registration to kaudit init" audit: vfs: fix audit_inode call in O_CREAT case of do_last audit: Make testing for a valid loginuid explicit. audit: fix event coverage of AUDIT_ANOM_LINK audit: use spin_lock in audit_receive_msg to process tty logging audit: do not needlessly take a lock in tty_audit_exit audit: do not needlessly take a spinlock in copy_signal audit: add an option to control logging of passwords with pam_tty_audit audit: use spin_lock_irqsave/restore in audit tty code helper for some session id stuff audit: use a consistent audit helper to log lsm information audit: push loginuid and sessionid processing down audit: stop pushing loginid, uid, sessionid as arguments audit: remove the old depricated kernel interface audit: make validity checking generic audit: allow checking the type of audit message in the user filter audit: fix build break when AUDIT_DEBUG == 2 audit: remove duplicate export of audit_enabled Audit: do not print error when LSMs disabled ...
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- 10 May, 2013 19 commits
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git://linux-nfs.org/~bfields/linuxLinus Torvalds authored
Pull nfsd fixes from Bruce Fields: "Small fixes for two bugs and two warnings" * 'for-3.10' of git://linux-nfs.org/~bfields/linux: nfsd: fix oops when legacy_recdir_name_error is passed a -ENOENT error SUNRPC: fix decoding of optional gss-proxy xdr fields SUNRPC: Refactor gssx_dec_option_array() to kill uninitialized warning nfsd4: don't allow owner override on 4.1 CLAIM_FH opens
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git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds authored
Pull x86 platform drivers from Matthew Garrett: "Small set of updates, mainly trivial bugfixes and some small updates to deal with newer hardware. There's also a new driver that allows qemu guests to notify the hypervisor that they've just paniced, which seems useful." * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: Add support for fan button on Ideapad Z580 pvpanic: pvpanic device driver asus-nb-wmi: set wapf=4 for ASUSTeK COMPUTER INC. X75A drivers: platform: x86: Use PTR_RET function sony-laptop: SVS151290S kbd backlight and gfx switch support hp-wmi: add more definitions for new event_id's dell-laptop: Fix krealloc() misuse in parse_da_table() hp_accel: Ignore the error from lis3lv02d_poweron() at resume dell: add new dell WMI format for the AIO machines
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signalLinus Torvalds authored
Pull stray syscall bits from Al Viro: "Several syscall-related commits that were missing from the original" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: switch compat_sys_sysctl to COMPAT_SYSCALL_DEFINE unicore32: just use mmap_pgoff()... unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE x86, vm86: fix VM86 syscalls: use SYSCALL_DEFINEx(...)
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Linus Torvalds authored
Merge tag 'ecryptfs-3.10-rc1-ablkcipher' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull eCryptfs update from Tyler Hicks: "Improve performance when AES-NI (and most likely other crypto accelerators) is available by moving to the ablkcipher crypto API. The improvement is more apparent on faster storage devices. There's no noticeable change when hardware crypto is not available" * tag 'ecryptfs-3.10-rc1-ablkcipher' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: Use the ablkcipher crypto API
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git://git.infradead.org/~dwmw2/random-2.6Linus Torvalds authored
Pull misc fixes from David Woodhouse: "This is some miscellaneous cleanups that don't really belong anywhere else (or were ignored), that have been sitting in linux-next for some time. Two of them are fixes resulting from my audit of krealloc() usage that don't seem to have elicited any response when I posted them, and the other three are patches from Artem removing dead code." * tag 'for-linus-20130509' of git://git.infradead.org/~dwmw2/random-2.6: pcmcia: remove RPX board stuff m68k: remove rpxlite stuff pcmcia: remove Motorola MBX860 support params: Fix potential memory leak in add_sysfs_param() dell-laptop: Fix krealloc() misuse in parse_da_table()
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull kvm fixes from Gleb Natapov: "Most of the fixes are in the emulator since now we emulate more than we did before for correctness sake we see more bugs there, but there is also an OOPS fixed and corruption of xcr0 register." * tag 'kvm-3.10-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: emulator: emulate SALC KVM: emulator: emulate XLAT KVM: emulator: emulate AAM KVM: VMX: fix halt emulation while emulating invalid guest sate KVM: Fix kvm_irqfd_init initialization KVM: x86: fix maintenance of guest/host xcr0 state
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dmLinus Torvalds authored
Pull device-mapper updates from Alasdair Kergon: "Allow devices that hold metadata for the device-mapper thin provisioning target to be extended easily; allow WRITE SAME on multipath devices; an assortment of little fixes and clean-ups." * tag 'dm-3.10-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: (21 commits) dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed dm persistent metadata: add space map threshold callback dm persistent data: add threshold callback to space map dm thin: detect metadata device resizing dm persistent data: support space map resizing dm thin: open dev read only when possible dm thin: refactor data dev resize dm cache: replace memcpy with struct assignment dm cache: fix typos in comments dm cache policy: fix description of lookup fn dm: document iterate_devices dm persistent data: fix error message typos dm cache: tune migration throttling dm mpath: enable WRITE SAME support dm table: fix write same support dm bufio: avoid a possible __vmalloc deadlock dm snapshot: fix error return code in snapshot_ctr dm cache: fix error return code in cache_create ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
Pull HID fixes from Jiri Kosina: - fix usage of sleeping lock in atomic context from Jiri Kosina - build fix for hid-steelseries under certain .config setups by Simon Wood - simple mismerge fix from Fernando Luis Vázquez Cao * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: debug: fix RCU preemption issue HID: hid-steelseries fix led class build issue HID: reintroduce fix-up for certain Sony RF receivers
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James Bottomley authored
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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James Bottomley authored
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "This contains small fixes since the previous pull request: - A few regression fixes and small updates of HD-audio - Yet another fix for Haswell HDMI audio - A copule of trivial fixes in ASoC McASP, DPAM and WM8994" * tag 'sound-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: Revert "ALSA: hda - Don't set up active streams twice" ALSA: Add comment for control TLV API ALSA: hda - Apply pin-enablement workaround to all Haswell HDMI codecs ALSA: HDA: Fix Oops caused by dereference NULL pointer ALSA: mips/sgio2audio: Remove redundant platform_set_drvdata() ALSA: mips/hal2: Remove redundant platform_set_drvdata() ALSA: hda - Fix 3.9 regression of EAPD init on Conexant codecs sound: Fix make allmodconfig on MIPS ALSA: hda - Fix system panic when DMA > 40 bits for Nvidia audio controllers ALSA: atmel: Remove redundant platform_set_drvdata() ASoC: McASP: Fix receive clock polarity in DAIFMT_NB_NF mode. ASoC: wm8994: missing break in wm8994_aif3_hw_params() ASoC: McASP: Add pins output direction for rx clocks when configured in CBS_CFS format ASoC: dapm: use clk_prepare_enable and clk_disable_unprepare
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS updates from Ralf Baechle: - More work on DT support for various platforms - Various fixes that were to late to make it straight into 3.9 - Improved platform support, in particular the Netlogic XLR and BCM63xx, and the SEAD3 and Malta eval boards. - Support for several Ralink SOC families. - Complete support for the microMIPS ASE which basically reencodes the existing MIPS32/MIPS64 ISA to use non-constant size instructions. - Some fallout from LTO work which remove old cruft and will generally make the MIPS kernel easier to maintain and resistant to compiler optimization, even in absence of LTO. - KVM support. While MIPS has announced hardware virtualization extensions this KVM extension uses trap and emulate mode for virtualization of MIPS32. More KVM work to add support for VZ hardware virtualizaiton extensions and MIPS64 will probably already be merged for 3.11. Most of this has been sitting in -next for a long time. All defconfigs have been build or run time tested except three for which fixes are being sent by other maintainers. Semantic conflict with kvm updates done as per Ralf * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (118 commits) MIPS: Add new GIC clockevent driver. MIPS: Formatting clean-ups for clocksources. MIPS: Refactor GIC clocksource code. MIPS: Move 'gic_frequency' to common location. MIPS: Move 'gic_present' to common location. MIPS: MIPS16e: Add unaligned access support. MIPS: MIPS16e: Support handling of delay slots. MIPS: MIPS16e: Add instruction formats. MIPS: microMIPS: Optimise 'strnlen' core library function. MIPS: microMIPS: Optimise 'strlen' core library function. MIPS: microMIPS: Optimise 'strncpy' core library function. MIPS: microMIPS: Optimise 'memset' core library function. MIPS: microMIPS: Add configuration option for microMIPS kernel. MIPS: microMIPS: Disable LL/SC and fix linker bug. MIPS: microMIPS: Add vdso support. MIPS: microMIPS: Add unaligned access support. MIPS: microMIPS: Support handling of delay slots. MIPS: microMIPS: Add support for exception handling. MIPS: microMIPS: Floating point support. MIPS: microMIPS: Fix macro naming in micro-assembler. ...
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Chad Dupuis authored
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Mike Christie authored
This fixes a bug where the iscsi class/driver did not do a put_device when a sess/conn device was found. This also simplifies the interface by not having to pass in some arguments that were duplicated and did not need to be exported. Reported-by: Zhao Hongjiang <zhaohongjiang@huawei.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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James Bottomley authored
These enums have been separate since the dawn of SAS, mainly because the latter is a procotol only enum and the former includes additional state for libsas. The dichotomy causes endless confusion about which one you should use where and leads to pointless warnings like this: drivers/scsi/mvsas/mv_sas.c: In function 'mvs_update_phyinfo': drivers/scsi/mvsas/mv_sas.c:1162:34: warning: comparison between 'enum sas_device_type' and 'enum sas_dev_type' [-Wenum-compare] Fix by eliminating one of them. The one kept is effectively the sas.h one, but call it sas_device_type and make sure the enums are all properly namespaced with the SAS_ prefix. Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Sakthivel K authored
Modified thermal configuration to happen after interrupt registration Added SAS controller configuration during initialization Added error handling logic to handle I_T_Nexus errors and variants [jejb: fix up tabs and spaces issues] Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Sakthivel K authored
Handled NCQ errors in the low level driver as the FW is not providing the faulty tag for NCQ errors for libsas to recover. [jejb: fix checkpatch issues] Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Sakthivel K authored
Individual WWN read operations based on controller. PM8081 - Read WWN from Flash VPD. PM8088/89 - Read WWN from EEPROM. PM8001 - Read WWN from NVM. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Sakthivel K authored
Changed name in driver to pm80xx. Updated debug messages. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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