pm24.git/arch, branch v4.5-rc5

Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-02-20T17:32:40Z

Pull x86 fixes from Ingo Molnar: "This is unusually large, partly due to the EFI fixes that prevent accidental deletion of EFI variables through efivarfs that may brick machines. These fixes are somewhat involved to maintain compatibility with existing install methods and other usage modes, while trying to turn off the 'rm -rf' bricking vector. Other fixes are for large page ioremap()s and for non-temporal user-memcpy()s" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Fix vmalloc_fault() to handle large pages properly hpet: Drop stale URLs x86/uaccess/64: Handle the caching of 4-byte nocache copies properly in __copy_user_nocache() x86/uaccess/64: Make the __copy_user_nocache() assembly code more readable lib/ucs2_string: Correct ucs2 -> utf8 conversion efi: Add pstore variables to the deletion whitelist efi: Make efivarfs entries immutable by default efi: Make our variable validation list include the guid efi: Do variable name validation tests in utf8 efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version lib/ucs2_string: Add ucs2 -> utf8 helper functions

Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2016-02-20T17:30:42Z

Pull perf fixes from Ingo Molnar: "A handful of CPU hotplug related fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Plug potential memory leak in CPU_UP_PREPARE perf/core: Remove the bogus and dangerous CPU_DOWN_FAILED hotplug state perf/core: Remove bogus UP_CANCELED hotplug state perf/x86/amd/uncore: Plug reference leak

Merge tag 'powerpc-4.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2016-02-20T17:22:11Z

Pull powerpc fixes from Michael Ellerman: - Fix build error on 32-bit with checkpoint restart from Aneesh Kumar - Fix dedotify for binutils >= 2.26 from Andreas Schwab - Don't trace hcalls on offline CPUs from Denis Kirjanov - eeh: Fix stale cached primary bus from Gavin Shan - eeh: Fix stale PE primary bus from Gavin Shan - mm: Fix Multi hit ERAT cause by recent THP update from Aneesh Kumar K.V - ioda: Set "read" permission when "write" is set from Alexey Kardashevskiy * tag 'powerpc-4.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/ioda: Set "read" permission when "write" is set powerpc/mm: Fix Multi hit ERAT cause by recent THP update powerpc/powernv: Fix stale PE primary bus powerpc/eeh: Fix stale cached primary bus powerpc/pseries: Don't trace hcalls on offline CPUs powerpc: Fix dedotify for binutils >= 2.26 powerpc/book3s_32: Fix build error with checkpoint restart

Merge branch 'akpm' (patches from Andrew)

2016-02-19T21:36:00Z

Merge fixes from Andrew Morton: "10 fixes" * emailed patches from Andrew Morton : mm: slab: free kmem_cache_node after destroy sysfs file ipc/shm: handle removed segments gracefully in shm_mmap() MAINTAINERS: update Kselftest Framework mailing list devm_memremap_release(): fix memremap'd addr handling mm/hugetlb.c: fix incorrect proc nr_hugepages value mm, x86: fix pte_page() crash in gup_pte_range() fsnotify: turn fsnotify reaper thread into a workqueue job Revert "fsnotify: destroy marks with call_srcu instead of dedicated thread" mm: fix regression in remap_file_pages() emulation thp, dax: do not try to withdraw pgtable from non-anon VMA

Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

2016-02-19T16:40:05Z

Pull arm64 fixes from Will Deacon: "Here are some more arm64 fixes for 4.5. This has mostly come from Yang Shi, who saw some issues under -rt that also affect mainline. The rest of it is pretty small, but still worth having. We've got an old issue outstanding with valid_user_regs which will likely wait until 4.6 (since it would really benefit from some time in -next) and another issue with kasan and idle which should be fixed next week. Apart from that, pretty quiet here (and still no sign of the THP issue reported on s390...) Summary: - Allow EFI stub to use strnlen(), which is required by recent libfdt - Avoid smp_processor_id() in preempt context during unwinding - Avoid false Kasan warnings during unwinding - Ensure early devices are picked up by the IOMMU DMA ops - Avoid rebuilding the kernel for the 'install' target - Run fixup handlers for alignment faults on userspace access" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: allow the kernel to handle alignment faults on user accesses arm64: kbuild: make "make install" not depend on vmlinux arm64: dma-mapping: fix handling of devices registered before arch_initcall arm64/efi: Make strnlen() available to the EFI namespace arm/arm64: crypto: assure that ECB modes don't require an IV arm64: make irq_stack_ptr more robust arm64: debug: re-enable irqs before sending breakpoint SIGTRAP arm64: disable kasan when accessing frame->fp in unwind_frame

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

2016-02-19T16:33:12Z

Pull s390 fixes from Martin Schwidefsky: "Several bug fixes: - There are four different stack tracers, and three of them have bugs. For 4.5 the bugs are fixed and we prepare a cleanup patch for the next merge window. - Three bug fixes for the dasd driver in regard to parallel access volumes and the new max_dev_sectors block device queue limit - The irq restore optimization needs a fixup for memcpy_real - The diagnose trace code has a conflict with lockdep" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/dasd: fix performance drop s390/maccess: reduce stnsm instructions s390/diag: avoid lockdep recursion s390/dasd: fix refcount for PAV reassignment s390/dasd: prevent incorrect length error under z/VM after PAV changes s390: fix DAT off memory access, e.g. on kdump s390/oprofile: fix address range for asynchronous stack s390/perf_event: fix address range for asynchronous stack s390/stacktrace: add save_stack_trace_regs() s390/stacktrace: save full stack traces s390/stacktrace: add missing end marker s390/stacktrace: fix address ranges for asynchronous and panic stack s390/stacktrace: fix save_stack_trace_tsk() for current task

arm64: mm: allow the kernel to handle alignment faults on user accesses

2016-02-19T12:20:37Z

Although we don't expect to take alignment faults on access to normal memory, misbehaving (i.e. buggy) user code can pass MMIO pointers into system calls, leading to things like get_user accessing device memory. Rather than OOPS the kernel, allow any exception fixups to run and return something like -EFAULT back to userspace. This makes the behaviour more consistent with userspace, even though applications with access to device mappings can easily cause other issues if they try hard enough. Acked-by: Catalin Marinas Signed-off-by: Eun Taik Lee [will: dropped __kprobes annotation and rewrote commit mesage] Signed-off-by: Will Deacon

arm64: kbuild: make "make install" not depend on vmlinux

2016-02-19T10:33:35Z

For the same reason as commit 19514fc665ff ("arm, kbuild: make "make install" not depend on vmlinux"), the install targets should never trigger the rebuild of the kernel. Signed-off-by: Masahiro Yamada Signed-off-by: Will Deacon

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching

2016-02-19T00:34:15Z

Pull livepatching fixes from Jiri Kosina: - regression (from 4.4) fix for ordering issue, introduced by an earlier ftrace change, that broke live patching of modules. The fix replaces the ftrace module notifier by direct call in order to make the ordering guaranteed and well-defined. The patch, from Jessica Yu, has been acked both by Steven and Rusty - error message fix from Miroslav Benes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching: ftrace/module: remove ftrace module notifier livepatch: change the error message in asm/livepatch.h header files

mm, x86: fix pte_page() crash in gup_pte_range()

2016-02-19T00:23:24Z

Commit 3565fce3a659 ("mm, x86: get_user_pages() for dax mappings") has moved up the pte_page(pte) in x86's fast gup_pte_range(), for no discernible reason: put it back where it belongs, after the pte_flags check and the pfn_valid cross-check. That may be the cause of the NULL pointer dereference in gup_pte_range(), seen when vfio called vaddr_get_pfn() when starting a qemu-kvm based VM. Signed-off-by: Hugh Dickins Reported-by: Michael Long Tested-by: Michael Long Acked-by: Dan Williams Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds