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2016-03-23scripts: gcc-wrapper: Use wrapper to check compiler warningsDavid Brown
Rather than telling gcc to make warnings as errors, and then hunting down make rules to disable this, leave them as warnings, but invoke gcc through a wrapper that checks the warnings against a whitelist. The initial whitelist comes from the warnings in the current build, all of which have been allowed through Make overrides. Change-Id: I5e0b199f9803d072537eeb77cb38d91cc06e951b Signed-off-by: David Brown <davidb@codeaurora.org> [mattw@codeaurora.org: update allowed_warnings for msm-3.14] Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
2016-03-23Merge remote-tracking branch 'lsk-44/linux-linaro-lsk-v4.4' into 44rc2David Keitel
* lsk-44/linux-linaro-lsk-v4.4: Linux 4.4.3 modules: fix modparam async_probe request module: wrapper for symbol name. itimers: Handle relative timers with CONFIG_TIME_LOW_RES proper posix-timers: Handle relative timers with CONFIG_TIME_LOW_RES proper timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper prctl: take mmap sem for writing to protect against others xfs: log mount failures don't wait for buffers to be released Revert "xfs: clear PF_NOFREEZE for xfsaild kthread" xfs: inode recovery readahead can race with inode buffer creation libxfs: pack the agfl header structure so XFS_AGFL_SIZE is correct ovl: setattr: check permissions before copy-up ovl: root: copy attr ovl: check dentry positiveness in ovl_cleanup_whiteouts() ovl: use a minimal buffer in ovl_copy_xattr ovl: allow zero size xattr futex: Drop refcount if requeue_pi() acquired the rtmutex devm_memremap_release(): fix memremap'd addr handling ipc/shm: handle removed segments gracefully in shm_mmap() intel_scu_ipcutil: underflow in scu_reg_access() mm,thp: khugepaged: call pte flush at the time of collapse dump_stack: avoid potential deadlocks radix-tree: fix oops after radix_tree_iter_retry drivers/hwspinlock: fix race between radix tree insertion and lookup radix-tree: fix race in gang lookup MAINTAINERS: return arch/sh to maintained state, with new maintainers memcg: only free spare array when readers are done numa: fix /proc/<pid>/numa_maps for hugetlbfs on s390 fs/hugetlbfs/inode.c: fix bugs in hugetlb_vmtruncate_list() scripts/bloat-o-meter: fix python3 syntax error dma-debug: switch check from _text to _stext m32r: fix m32104ut_defconfig build fail xhci: Fix list corruption in urb dequeue at host removal Revert "xhci: don't finish a TD if we get a short-transfer event mid TD" iommu/vt-d: Clear PPR bit to ensure we get more page request interrupts iommu/vt-d: Fix 64-bit accesses to 32-bit DMAR_GSTS_REG iommu/vt-d: Fix mm refcounting to hold mm_count not mm_users iommu/amd: Correct the wrong setting of alias DTE in do_attach iommu/vt-d: Don't skip PCI devices when disabling IOTLB Input: vmmouse - fix absolute device registration string_helpers: fix precision loss for some inputs Input: i8042 - add Fujitsu Lifebook U745 to the nomux list Input: elantech - mark protocols v2 and v3 as semi-mt mm: fix regression in remap_file_pages() emulation mm: replace vma_lock_anon_vma with anon_vma_lock_read/write mm: fix mlock accouting libnvdimm: fix namespace object confusion in is_uuid_busy() mm: soft-offline: check return value in second __get_any_page() call perf kvm record/report: 'unprocessable sample' error while recording/reporting guest data KVM: PPC: Fix ONE_REG AltiVec support KVM: PPC: Fix emulation of H_SET_DABR/X on POWER8 KVM: arm/arm64: Fix reference to uninitialised VGIC arm64: dma-mapping: fix handling of devices registered before arch_initcall ARM: OMAP2+: Fix ppa_zero_params and ppa_por_params for rodata ARM: OMAP2+: Fix save_secure_ram_context for rodata ARM: OMAP2+: Fix l2dis_3630 for rodata ARM: OMAP2+: Fix l2_inv_api_params for rodata ARM: OMAP2+: Fix wait_dll_lock_timed for rodata ARM: dts: at91: sama5d4ek: add phy address and IRQ for macb0 ARM: dts: at91: sama5d4 xplained: fix phy0 IRQ type ARM: dts: at91: sama5d4: fix instance id of DBGU ARM: dts: at91: sama5d4 xplained: properly mux phy interrupt ARM: dts: omap5-board-common: enable rtc and charging of backup battery ARM: dts: Fix omap5 PMIC control lines for RTC writes ARM: dts: Fix wl12xx missing clocks that cause hangs ARM: nomadik: fix up SD/MMC DT settings ARM: 8517/1: ICST: avoid arithmetic overflow in icst_hz() ARM: 8519/1: ICST: try other dividends than 1 arm64: mm: avoid calling apply_to_page_range on empty range ARM: mvebu: remove duplicated regulator definition in Armada 388 GP powerpc/ioda: Set "read" permission when "write" is set powerpc/powernv: Fix stale PE primary bus powerpc/eeh: Fix stale cached primary bus powerpc/eeh: Fix PE location code SUNRPC: Fixup socket wait for memory udf: Check output buffer length when converting name to CS0 udf: Prevent buffer overrun with multi-byte characters udf: limit the maximum number of indirect extents in a row pNFS/flexfiles: Fix an XDR encoding bug in layoutreturn nfs: Fix race in __update_open_stateid() pNFS/flexfiles: Fix an Oopsable typo in ff_mirror_match_fh() NFS: Fix attribute cache revalidation cifs: fix erroneous return value cifs_dbg() outputs an uninitialized buffer in cifs_readdir() cifs: fix race between call_async() and reconnect() cifs: Ratelimit kernel log messages iio: inkern: fix a NULL dereference on error iio: pressure: mpl115: fix temperature offset sign iio: light: acpi-als: Report data as processed iio: dac: mcp4725: set iio name property in sysfs iio: add IIO_TRIGGER dependency to STK8BA50 iio: add HAS_IOMEM dependency to VF610_ADC iio-light: Use a signed return type for ltr501_match_samp_freq() iio:adc:ti_am335x_adc Fix buffered mode by identifying as software buffer. iio: adis_buffer: Fix out-of-bounds memory access scsi: fix soft lockup in scsi_remove_target() on module removal SCSI: Add Marvell Console to VPD blacklist scsi_dh_rdac: always retry MODE SELECT on command lock violation drivers/scsi/sg.c: mark VMA as VM_IO to prevent migration SCSI: fix crashes in sd and sr runtime PM iscsi-target: Fix potential dead-lock during node acl delete scsi: add Synology to 1024 sector blacklist klist: fix starting point removed bug in klist iterators tracepoints: Do not trace when cpu is offline tracing: Fix freak link error caused by branch tracer perf tools: tracepoint_error() can receive e=NULL, robustify it tools lib traceevent: Fix output of %llu for 64 bit values read on 32 bit machines ptrace: use fsuid, fsgid, effective creds for fs access checks Btrfs: fix direct IO requests not reporting IO error to user space Btrfs: fix hang on extent buffer lock caused by the inode_paths ioctl Btrfs: fix page reading in extent_same ioctl leading to csum errors Btrfs: fix invalid page accesses in extent_same (dedup) ioctl btrfs: properly set the termination value of ctx->pos in readdir Revert "btrfs: clear PF_NOFREEZE in cleaner_kthread()" Btrfs: fix fitrim discarding device area reserved for boot loader's use btrfs: handle invalid num_stripes in sys_array ext4: don't read blocks from disk after extents being swapped ext4: fix potential integer overflow ext4: fix scheduling in atomic on group checksum failure serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485) serial: 8250_pci: Add Intel Broadwell ports tty: Add support for PCIe WCH382 2S multi-IO card pty: make sure super_block is still valid in final /dev/tty close pty: fix possible use after free of tty->driver_data staging/speakup: Use tty_ldisc_ref() for paste kworker phy: twl4030-usb: Fix unbalanced pm_runtime_enable on module reload phy: twl4030-usb: Relase usb phy on unload ALSA: seq: Fix double port list deletion ALSA: seq: Fix leak of pool buffer at concurrent writes ALSA: pcm: Fix rwsem deadlock for non-atomic PCM stream ALSA: hda - Cancel probe work instead of flush at remove x86/mm: Fix vmalloc_fault() to handle large pages properly 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 x86/mm/pat: Avoid truncation when converting cpa->numpages to address x86/mm: Fix types used in pgprot cacheability flags translations Linux 4.4.2 HID: multitouch: fix input mode switching on some Elan panels mm, vmstat: fix wrong WQ sleep when memory reclaim doesn't make any progress zsmalloc: fix migrate_zspage-zs_free race condition zram: don't call idr_remove() from zram_remove() zram: try vmalloc() after kmalloc() zram/zcomp: use GFP_NOIO to allocate streams rtlwifi: rtl8821ae: Fix 5G failure when EEPROM is incorrectly encoded rtlwifi: rtl8821ae: Fix errors in parameter initialization crypto: marvell/cesa - fix test in mv_cesa_dev_dma_init() crypto: atmel-sha - remove calls of clk_prepare() from atomic contexts crypto: atmel-sha - fix atmel_sha_remove() crypto: algif_skcipher - Do not set MAY_BACKLOG on the async path crypto: algif_skcipher - Do not dereference ctx without socket lock crypto: algif_skcipher - Do not assume that req is unchanged crypto: user - lock crypto_alg_list on alg dump EVM: Use crypto_memneq() for digest comparisons crypto: algif_hash - wait for crypto_ahash_init() to complete crypto: shash - Fix has_key setting crypto: chacha20-ssse3 - Align stack pointer to 64 bytes crypto: caam - make write transactions bufferable on PPC platforms crypto: algif_skcipher - sendmsg SG marking is off by one crypto: algif_skcipher - Load TX SG list after waiting crypto: crc32c - Fix crc32c soft dependency crypto: algif_skcipher - Fix race condition in skcipher_check_key crypto: algif_hash - Fix race condition in hash_check_key crypto: af_alg - Forbid bind(2) when nokey child sockets are present crypto: algif_skcipher - Remove custom release parent function crypto: algif_hash - Remove custom release parent function crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path ahci: Intel DNV device IDs SATA libata: disable forced PORTS_IMPL for >= AHCI 1.3 crypto: algif_skcipher - Add key check exception for cipher_null crypto: skcipher - Add crypto_skcipher_has_setkey crypto: algif_hash - Require setkey before accept(2) crypto: hash - Add crypto_ahash_has_setkey crypto: algif_skcipher - Add nokey compatibility path crypto: af_alg - Add nokey compatibility path crypto: af_alg - Fix socket double-free when accept fails crypto: af_alg - Disallow bind/setkey/... after accept(2) crypto: algif_skcipher - Require setkey before accept(2) sched: Fix crash in sched_init_numa() ext4 crypto: add missing locking for keyring_key access iommu/io-pgtable-arm: Ensure we free the final level on teardown tty: Fix unsafe ldisc reference via ioctl(TIOCGETD) tty: Retry failed reopen if tty teardown in-progress tty: Wait interruptibly for tty lock on reopen n_tty: Fix unsafe reference to "other" ldisc usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Broxton-M platforms usb: xhci: handle both SSIC ports in PME stuck quirk usb: phy: msm: fix error handling in probe. usb: cdc-acm: send zero packet for intel 7260 modem usb: cdc-acm: handle unlinked urb in acm read callback USB: option: fix Cinterion AHxx enumeration USB: serial: option: Adding support for Telit LE922 USB: cp210x: add ID for IAI USB to RS485 adaptor USB: serial: ftdi_sio: add support for Yaesu SCU-18 cable usb: hub: do not clear BOS field during reset device USB: visor: fix null-deref at probe USB: serial: visor: fix crash on detecting device without write_urbs ASoC: rt5645: fix the shift bit of IN1 boost saa7134-alsa: Only frees registered sound cards ALSA: dummy: Implement timer backend switching more safely ALSA: hda - Fix bad dereference of jack object ALSA: hda - Fix speaker output from VAIO AiO machines Revert "ALSA: hda - Fix noise on Gigabyte Z170X mobo" ALSA: hda - Fix static checker warning in patch_hdmi.c ALSA: hda - Add fixup for Mac Mini 7,1 model ALSA: timer: Fix race between stop and interrupt ALSA: timer: Fix wrong instance passed to slave callbacks ALSA: timer: Fix race at concurrent reads ALSA: timer: Fix link corruption due to double start or stop ALSA: timer: Fix leftover link at closing ALSA: timer: Code cleanup ALSA: seq: Fix lockdep warnings due to double mutex locks ALSA: seq: Fix race at closing in virmidi driver ALSA: seq: Fix yet another races among ALSA timer accesses ASoC: dpcm: fix the BE state on hw_free ALSA: pcm: Fix potential deadlock in OSS emulation ALSA: hda/realtek - Support Dell headset mode for ALC225 ALSA: hda/realtek - Support headset mode for ALC225 ALSA: hda/realtek - New codec support of ALC225 ALSA: rawmidi: Fix race at copying & updating the position ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check ALSA: rawmidi: Make snd_rawmidi_transmit() race-free ALSA: seq: Degrade the error message for too many opens ALSA: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup() ALSA: dummy: Disable switching timer backend via sysfs ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures ALSA: hda - disable dynamic clock gating on Broxton before reset ALSA: Add missing dependency on CONFIG_SND_TIMER ALSA: bebob: Use a signed return type for get_formation_index ALSA: usb-audio: avoid freeing umidi object twice ALSA: usb-audio: Add native DSD support for PS Audio NuWave DAC ALSA: usb-audio: Fix OPPO HA-1 vendor ID ALSA: usb-audio: Add quirk for Microsoft LifeCam HD-6000 ALSA: usb-audio: Fix TEAC UD-501/UD-503/NT-503 usb delay hrtimer: Handle remaining time proper for TIME_LOW_RES md/raid: only permit hot-add of compatible integrity profiles media: i2c: Don't export ir-kbd-i2c module alias parisc: Fix __ARCH_SI_PREAMBLE_SIZE parisc: Protect huge page pte changes with spinlocks printk: do cond_resched() between lines while outputting to consoles tracing/stacktrace: Show entire trace if passed in function not found tracing: Fix stacktrace skip depth in trace_buffer_unlock_commit_regs() PCI: Fix minimum allocation address overwrite PCI: host: Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD mtd: nand: assign reasonable default name for NAND drivers wlcore/wl12xx: spi: fix NULL pointer dereference (Oops) wlcore/wl12xx: spi: fix oops on firmware load ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup ocfs2/dlm: ignore cleaning the migration mle that is inuse ALSA: hda - Implement loopback control switch for Realtek and other codecs block: fix bio splitting on max sectors base/platform: Fix platform drivers with no probe callback HID: usbhid: fix recursive deadlock ocfs2: NFS hangs in __ocfs2_cluster_lock due to race with ocfs2_unblock_lock block: split bios to max possible length NFSv4.1/pnfs: Fixup an lo->plh_block_lgets imbalance in layoutreturn crypto: sun4i-ss - add missing statesize Linux 4.4.1 arm64: kernel: fix architected PMU registers unconditional access arm64: kernel: enforce pmuserenr_el0 initialization and restore arm64: mm: ensure that the zero page is visible to the page table walker arm64: Clear out any singlestep state on a ptrace detach operation powerpc/module: Handle R_PPC64_ENTRY relocations scripts/recordmcount.pl: support data in text section on powerpc powerpc: Make {cmp}xchg* and their atomic_ versions fully ordered powerpc: Make value-returning atomics fully ordered powerpc/tm: Check for already reclaimed tasks batman-adv: Drop immediate orig_node free function batman-adv: Drop immediate batadv_hard_iface free function batman-adv: Drop immediate neigh_ifinfo free function batman-adv: Drop immediate batadv_neigh_node free function batman-adv: Drop immediate batadv_orig_ifinfo free function batman-adv: Avoid recursive call_rcu for batadv_nc_node batman-adv: Avoid recursive call_rcu for batadv_bla_claim team: Replace rcu_read_lock with a mutex in team_vlan_rx_kill_vid net/mlx5_core: Fix trimming down IRQ number bridge: fix lockdep addr_list_lock false positive splat ipv6: update skb->csum when CE mark is propagated net: bpf: reject invalid shifts phonet: properly unshare skbs in phonet_rcv() dwc_eth_qos: Fix dma address for multi-fragment skbs bonding: Prevent IPv6 link local address on enslaved devices net: preserve IP control block during GSO segmentation udp: disallow UFO for sockets with SO_NO_CHECK option net: pktgen: fix null ptr deref in skb allocation sched,cls_flower: set key address type when present tcp_yeah: don't set ssthresh below 2 ipv6: tcp: add rcu locking in tcp_v6_send_synack() net: sctp: prevent writes to cookie_hmac_alg from accessing invalid memory vxlan: fix test which detect duplicate vxlan iface unix: properly account for FDs passed over unix sockets xhci: refuse loading if nousb is used usb: core: lpm: fix usb3_hardware_lpm sysfs node USB: cp210x: add ID for ELV Marble Sound Board 1 rtlwifi: fix memory leak for USB device ASoC: compress: Fix compress device direction check ASoC: wm5110: Fix PGA clear when disabling DRE ALSA: timer: Handle disconnection more safely ALSA: hda - Flush the pending probe work at remove ALSA: hda - Fix missing module loading with model=generic option ALSA: hda - Fix bass pin fixup for ASUS N550JX ALSA: control: Avoid kernel warnings from tlv ioctl with numid 0 ALSA: hrtimer: Fix stall by hrtimer_cancel() ALSA: pcm: Fix snd_pcm_hw_params struct copy in compat mode ALSA: seq: Fix snd_seq_call_port_info_ioctl in compat mode ALSA: hda - Add fixup for Dell Latitidue E6540 ALSA: timer: Fix double unlink of active_list ALSA: timer: Fix race among timer ioctls ALSA: hda - fix the headset mic detection problem for a Dell laptop ALSA: timer: Harden slave timer list handling ALSA: usb-audio: Fix mixer ctl regression of Native Instrument devices ALSA: hda - Fix white noise on Dell Latitude E5550 ALSA: seq: Fix race at timer setup and close ALSA: usb-audio: Avoid calling usb_autopm_put_interface() at disconnect ALSA: seq: Fix missing NULL check at remove_events ioctl ALSA: hda - Fixup inverted internal mic for Lenovo E50-80 ALSA: usb: Add native DSD support for Oppo HA-1 x86/mm: Improve switch_mm() barrier comments x86/mm: Add barriers and document switch_mm()-vs-flush synchronization x86/boot: Double BOOT_HEAP_SIZE to 64KB x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi_table[] kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL KVM: x86: correctly print #AC in traces KVM: x86: expose MSR_TSC_AUX to userspace x86/xen: don't reset vcpu_info on a cancelled suspend KEYS: Fix keyring ref leak in join_session_keyring() Conflicts: arch/arm64/kernel/perf_event.c drivers/scsi/sd.c sound/core/compress_offload.c Change-Id: I9f77fe42aaae249c24cd6e170202110ab1426878 Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
2016-03-22UBSAN: run-time undefined behavior sanity checkerAndrey Ryabinin
UBSAN uses compile-time instrumentation to catch undefined behavior (UB). Compiler inserts code that perform certain kinds of checks before operations that could cause UB. If check fails (i.e. UB detected) __ubsan_handle_* function called to print error message. So the most of the work is done by compiler. This patch just implements ubsan handlers printing errors. GCC has this capability since 4.9.x [1] (see -fsanitize=undefined option and its suboptions). However GCC 5.x has more checkers implemented [2]. Article [3] has a bit more details about UBSAN in the GCC. [1] - https://gcc.gnu.org/onlinedocs/gcc-4.9.0/gcc/Debugging-Options.html [2] - https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html [3] - http://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/ Issues which UBSAN has found thus far are: Found bugs: * out-of-bounds access - 97840cb67ff5 ("netfilter: nfnetlink: fix insufficient validation in nfnetlink_bind") undefined shifts: * d48458d4a768 ("jbd2: use a better hash function for the revoke table") * 10632008b9e1 ("clockevents: Prevent shift out of bounds") * 'x << -1' shift in ext4 - http://lkml.kernel.org/r/<5444EF21.8020501@samsung.com> * undefined rol32(0) - http://lkml.kernel.org/r/<1449198241-20654-1-git-send-email-sasha.levin@oracle.com> * undefined dirty_ratelimit calculation - http://lkml.kernel.org/r/<566594E2.3050306@odin.com> * undefined roundown_pow_of_two(0) - http://lkml.kernel.org/r/<1449156616-11474-1-git-send-email-sasha.levin@oracle.com> * [WONTFIX] undefined shift in __bpf_prog_run - http://lkml.kernel.org/r/<CACT4Y+ZxoR3UjLgcNdUm4fECLMx2VdtfrENMtRRCdgHB2n0bJA@mail.gmail.com> WONTFIX here because it should be fixed in bpf program, not in kernel. signed overflows: * 32a8df4e0b33f ("sched: Fix odd values in effective_load() calculations") * mul overflow in ntp - http://lkml.kernel.org/r/<1449175608-1146-1-git-send-email-sasha.levin@oracle.com> * incorrect conversion into rtc_time in rtc_time64_to_tm() - http://lkml.kernel.org/r/<1449187944-11730-1-git-send-email-sasha.levin@oracle.com> * unvalidated timespec in io_getevents() - http://lkml.kernel.org/r/<CACT4Y+bBxVYLQ6LtOKrKtnLthqLHcw-BMp3aqP3mjdAvr9FULQ@mail.gmail.com> * [NOTABUG] signed overflow in ktime_add_safe() - http://lkml.kernel.org/r/<CACT4Y+aJ4muRnWxsUe1CMnA6P8nooO33kwG-c8YZg=0Xc8rJqw@mail.gmail.com> [akpm@linux-foundation.org: fix unused local warning] [akpm@linux-foundation.org: fix __int128 build woes] Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michal Marek <mmarek@suse.cz> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Yury Gribov <y.gribov@samsung.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Kostya Serebryany <kcc@google.com> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Git-repo: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/ Git-commit: c6d308534aef6c99904bf5862066360ae067abc4 [tsoni@codeaurora.org: trivial merge conflict resolution] CRs-Fixed: 969533 Change-Id: I048b9936b1120e0d375b7932c59de78d8ef8f411 Signed-off-by: Trilok Soni <tsoni@codeaurora.org> [satyap@codeaurora.org: trivial merge conflict resolution] Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
2016-02-25Linux 4.4.3Greg Kroah-Hartman
2016-02-17Linux 4.4.2Greg Kroah-Hartman
2016-01-31Linux 4.4.1Greg Kroah-Hartman
2016-01-10Linux 4.4Linus Torvalds
2016-01-03Linux 4.4-rc8Linus Torvalds
2015-12-27Linux 4.4-rc7Linus Torvalds
2015-12-20Linux 4.4-rc6Linus Torvalds
2015-12-13Linux 4.4-rc5Linus Torvalds
2015-12-06Linux 4.4-rc4Linus Torvalds
2015-11-29Linux 4.4-rc3Linus Torvalds
2015-11-22Linux 4.4-rc2Linus Torvalds
2015-11-15Linux 4.4-rc1Linus Torvalds
2015-11-10Merge branch 'kbuild' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild update from Michal Marek: "The kbuild branch for v4.4-rc1 only has one commit: A new make kselftest-clean target cleans tools/testing/selftests" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kselftest: add kselftest-clean rule
2015-11-05Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM updates from Paolo Bonzini: "First batch of KVM changes for 4.4. s390: A bunch of fixes and optimizations for interrupt and time handling. PPC: Mostly bug fixes. ARM: No big features, but many small fixes and prerequisites including: - a number of fixes for the arch-timer - introducing proper level-triggered semantics for the arch-timers - a series of patches to synchronously halt a guest (prerequisite for IRQ forwarding) - some tracepoint improvements - a tweak for the EL2 panic handlers - some more VGIC cleanups getting rid of redundant state x86: Quite a few changes: - support for VT-d posted interrupts (i.e. PCI devices can inject interrupts directly into vCPUs). This introduces a new component (in virt/lib/) that connects VFIO and KVM together. The same infrastructure will be used for ARM interrupt forwarding as well. - more Hyper-V features, though the main one Hyper-V synthetic interrupt controller will have to wait for 4.5. These will let KVM expose Hyper-V devices. - nested virtualization now supports VPID (same as PCID but for vCPUs) which makes it quite a bit faster - for future hardware that supports NVDIMM, there is support for clflushopt, clwb, pcommit - support for "split irqchip", i.e. LAPIC in kernel + IOAPIC/PIC/PIT in userspace, which reduces the attack surface of the hypervisor - obligatory smattering of SMM fixes - on the guest side, stable scheduler clock support was rewritten to not require help from the hypervisor" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (123 commits) KVM: VMX: Fix commit which broke PML KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0() KVM: x86: allow RSM from 64-bit mode KVM: VMX: fix SMEP and SMAP without EPT KVM: x86: move kvm_set_irq_inatomic to legacy device assignment KVM: device assignment: remove pointless #ifdefs KVM: x86: merge kvm_arch_set_irq with kvm_set_msi_inatomic KVM: x86: zero apic_arb_prio on reset drivers/hv: share Hyper-V SynIC constants with userspace KVM: x86: handle SMBASE as physical address in RSM KVM: x86: add read_phys to x86_emulate_ops KVM: x86: removing unused variable KVM: don't pointlessly leave KVM_COMPAT=y in non-KVM configs KVM: arm/arm64: Merge vgic_set_lr() and vgic_sync_lr_elrsr() KVM: arm/arm64: Clean up vgic_retire_lr() and surroundings KVM: arm/arm64: Optimize away redundant LR tracking KVM: s390: use simple switch statement as multiplexer KVM: s390: drop useless newline in debugging data KVM: s390: SCA must not cross page boundaries KVM: arm: Do not indent the arguments of DECLARE_BITMAP ...
2015-11-05Merge tag 'docs-for-linus' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation update from Jon Corbet: "There is a nice new document from Neil on how pathname lookups work and some new CAN driver documentation. Beyond that, we have kernel-doc fixes, a bit more work to support reproducible builds, and the usual collection of small fixes" * tag 'docs-for-linus' of git://git.lwn.net/linux: (34 commits) Documentation: add new description of path-name lookup. Documentation/vm/slub.txt: document slabinfo-gnuplot.sh Doc: ABI/stable: Fix typo in ABI/stable doc: Clarify that nmi_watchdog param is for hardlockups Typo correction for description in gpio document. DocBook: Fix kernel-doc to be case-insensitive for private: kernel-docs.txt: update kernelnewbies reference Doc:kvm: Fix typo in Doc/virtual/kvm Documentation/Changes: Add bc in "Current Minimal Requirements" section Documentation/email-clients.txt: remove trailing whitespace DocBook: Use a fixed encoding for output MAINTAINERS: The docs tree has moved Docs/kernel-parameters: Add earlycon devicetree usage SubmittingPatches: make Subject examples match the de facto standard Documentation: gpio: mention that <function>-gpio has been deprecated Documentation: cgroups: just fix a few typos Documentation: Update kselftest.txt Documentation: DMA API: Be more explicit that nents is always the same Documentation: Update the default value of crashkernel low zram: update documentation ...
2015-11-01Linux 4.3Linus Torvalds
2015-10-25Linux 4.3-rc7Linus Torvalds
2015-10-18Linux 4.3-rc6Linus Torvalds
2015-10-11Linux 4.3-rc5Linus Torvalds
2015-10-08kselftest: add kselftest-clean ruleWang Long
We use $make TARGETS="size timers" kselftest to build and run selftests. but there is no rule for us to clean the kselftest generated files. This patch add the rules, for example: $ make TARGETS="size timers" kselftest-clean can clean all kselftest generated files. Signed-off-by: Wang Long <long.wanglong@huawei.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-10-04Linux 4.3-rc4Linus Torvalds
2015-10-01virt: Add virt directory to the top MakefileFeng Wu
We need to build files in virt/lib/, which are now used by KVM and VFIO, so add virt directory to the top Makefile. Signed-off-by: Feng Wu <feng.wu@intel.com> Acked-by: Michal Marek <mmarek@suse.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-28DocBook: Use a fixed encoding for outputBen Hutchings
Currently the encoding of documents generated by DocBook depends on the current locale. Make the output reproducible independently of the locale, by setting the encoding to UTF-8 (LC_CTYPE=C.UTF-8) by preference, or ASCII (LC_CTYPE=C) as a fallback. LC_CTYPE can normally be overridden by LC_ALL, but the top-level Makefile unsets that. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> [jc: added check-lc_ctype to .gitignore] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-09-27Linux 4.3-rc3Linus Torvalds
2015-09-20Linux 4.3-rc2Linus Torvalds
2015-09-12Linux 4.3-rc1Linus Torvalds
2015-09-08Merge branch 'misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild updates from Michal Marek: - deb-pkg: + module signing fix + dtb files are added to the package + do not require `hostname -f` to work during build + make deb-pkg generates a source package, bindeb-pkg has been added to only generate the binary package - rpm-pkg packages /lib/modules as well - new coccinelle patch and updates to existing ones - new stackusage & stackdelta script to collect and compare stack usage info (using gcc's -fstack-usage) - make tags understands trace_*_rcuidle() macros - .gitignore updates, misc cleanups * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: (27 commits) deb-pkg: add source package package/Makefile: move source tar creation to a function scripts: add stackdelta script kbuild: remove *.su files generated by -fstack-usage .gitignore: add *.su pattern scripts: add stackusage script kbuild: avoid listing /lib/modules in kernel spec file fallback to hostname in scripts/package/builddeb coccinelle: api: extend spatch for dropping unnecessary owner deb-pkg: simplify directory creation scripts/tags.sh: Include trace_*_rcuidle() in tags scripts/package/Makefile: rpmbuild is needed for rpm targets Kbuild: Add ID files to .gitignore gitignore: Add MIPS vmlinux.32 to the list coccinelle: simple_return: Add a blank line coccinelle: irqf_oneshot.cocci: Improve the generated commit log coccinelle: api: add vma_pages.cocci scripts/coccinelle/misc/irqf_oneshot.cocci: Fix grammar scripts/coccinelle/misc/semicolon.cocci: Use imperative mood coccinelle: simple_open: Use imperative mood ...
2015-09-08Merge branch 'kbuild' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull core kbuild updates from Michal Marek: - modpost portability fix - linker script fix - genksyms segfault fix - fixdep cleanup - fix for clang detection * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Fix clang detection kbuild: fixdep: drop meaningless hash table initialization kbuild: fixdep: optimize code slightly genksyms: Regenerate parser genksyms: Duplicate function pointer type definitions segfault kbuild: Fix .text.unlikely placement Avoid conflict with host definitions when cross-compiling
2015-09-08Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "Highlights: - PKCS#7 support added to support signed kexec, also utilized for module signing. See comments in 3f1e1bea. ** NOTE: this requires linking against the OpenSSL library, which must be installed, e.g. the openssl-devel on Fedora ** - Smack - add IPv6 host labeling; ignore labels on kernel threads - support smack labeling mounts which use binary mount data - SELinux: - add ioctl whitelisting (see http://kernsec.org/files/lss2015/vanderstoep.pdf) - fix mprotect PROT_EXEC regression caused by mm change - Seccomp: - add ptrace options for suspend/resume" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (57 commits) PKCS#7: Add OIDs for sha224, sha284 and sha512 hash algos and use them Documentation/Changes: Now need OpenSSL devel packages for module signing scripts: add extract-cert and sign-file to .gitignore modsign: Handle signing key in source tree modsign: Use if_changed rule for extracting cert from module signing key Move certificate handling to its own directory sign-file: Fix warning about BIO_reset() return value PKCS#7: Add MODULE_LICENSE() to test module Smack - Fix build error with bringup unconfigured sign-file: Document dependency on OpenSSL devel libraries PKCS#7: Appropriately restrict authenticated attributes and content type KEYS: Add a name for PKEY_ID_PKCS7 PKCS#7: Improve and export the X.509 ASN.1 time object decoder modsign: Use extract-cert to process CONFIG_SYSTEM_TRUSTED_KEYS extract-cert: Cope with multiple X.509 certificates in a single file sign-file: Generate CMS message as signature instead of PKCS#7 PKCS#7: Support CMS messages also [RFC5652] X.509: Change recorded SKID & AKID to not include Subject or Issuer PKCS#7: Check content type and versions MAINTAINERS: The keyrings mailing list has moved ...
2015-09-04kbuild: Fix clang detectionMichal Marek
We cannot detect clang before including the arch Makefile, because that can set the default cross compiler. We also cannot detect clang after including the arch Makefile, because powerpc wants to know about clang. Solve this by using an deferred variable. This costs us a few shell invocations, but this is only a constant number. Reported-by: Behan Webster <behanw@converseincode.com> Reported-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-08-30Linux 4.2Linus Torvalds
2015-08-28kbuild: remove *.su files generated by -fstack-usageRasmus Villemoes
Make sure 'make clean' removes *.su files generated by the gcc option -fstack-usage. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-08-23Linux 4.2-rc8Linus Torvalds
2015-08-16Linux 4.2-rc7Linus Torvalds
2015-08-14modsign: Handle signing key in source treeDavid Woodhouse
Since commit 1329e8cc69 ("modsign: Extract signing cert from CONFIG_MODULE_SIG_KEY if needed"), the build system has carefully coped with the signing key being specified as a relative path in either the source or or the build trees. However, the actual signing of modules has not worked if the filename is relative to the source tree. Fix that by moving the config_filename helper into scripts/Kbuild.include so that it can be used from elsewhere, and then using it in the top-level Makefile to find the signing key file. Kill the intermediate $(MODPUBKEY) and $(MODSECKEY) variables too, while we're at it. There's no need for them. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: David Howells <dhowells@redhat.com>
2015-08-14Move certificate handling to its own directoryDavid Howells
Move certificate handling out of the kernel/ directory and into a certs/ directory to get all the weird stuff in one place and move the generated signing keys into this directory. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: David Woodhouse <David.Woodhouse@intel.com>
2015-08-09Linux 4.2-rc6Linus Torvalds
2015-08-07modsign: Use single PEM file for autogenerated keyDavid Woodhouse
The current rule for generating signing_key.priv and signing_key.x509 is a classic example of a bad rule which has a tendency to break parallel make. When invoked to create *either* target, it generates the other target as a side-effect that make didn't predict. So let's switch to using a single file signing_key.pem which contains both key and certificate. That matches what we do in the case of an external key specified by CONFIG_MODULE_SIG_KEY anyway, so it's also slightly cleaner. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: David Howells <dhowells@redhat.com>
2015-08-07modsign: Allow external signing key to be specifiedDavid Woodhouse
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: David Howells <dhowells@redhat.com>
2015-08-07MODSIGN: Use PKCS#7 messages as module signaturesDavid Howells
Move to using PKCS#7 messages as module signatures because: (1) We have to be able to support the use of X.509 certificates that don't have a subjKeyId set. We're currently relying on this to look up the X.509 certificate in the trusted keyring list. (2) PKCS#7 message signed information blocks have a field that supplies the data required to match with the X.509 certificate that signed it. (3) The PKCS#7 certificate carries fields that specify the digest algorithm used to generate the signature in a standardised way and the X.509 certificates specify the public key algorithm in a standardised way - so we don't need our own methods of specifying these. (4) We now have PKCS#7 message support in the kernel for signed kexec purposes and we can make use of this. To make this work, the old sign-file script has been replaced with a program that needs compiling in a previous patch. The rules to build it are added here. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Vivek Goyal <vgoyal@redhat.com>
2015-08-04Merge branch 'rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild fixes from Michal Marek: "Two fixes for kbuild: - The new ARCH_{CPP,A,C}FLAGS variables are reset before including the arch Makefile - Fix calling make modules_install twice when module compression is enabled" * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: Makefile: Force gzip and xz on module install kbuild: Do not pick up ARCH_{CPP,A,C}FLAGS from the environment
2015-08-02Linux 4.2-rc5Linus Torvalds
2015-07-26Linux 4.2-rc4Linus Torvalds
2015-07-22Makefile: Force gzip and xz on module installJason A. Donenfeld
Running `make modules_install` ordinarily will overwrite existing modules. This is the desired behavior, and is how pretty much every other `make install` target works. However, if CONFIG_MODULE_COMPRESS is enabled, modules are passed through gzip and xz which then do the file writing. Both gzip and xz will error out if the file already exists, unless -f is passed. This patch adds -f so that the behavior is uniform. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Michal Marek <mmarek@suse.com>
2015-07-22kbuild: Do not pick up ARCH_{CPP,A,C}FLAGS from the environmentMichal Marek
Initialize the ARCH_* overrides before including the arch Makefile, to avoid picking up the values from the environment. The variables can still be overriden on the make command line, but this won't happen by accident. Signed-off-by: Michal Marek <mmarek@suse.com>
2015-07-19Linux 4.2-rc3Linus Torvalds
2015-07-15Merge tag 'arc-v4.2-rc3-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC fixes from Vineet Gupta: - Makefile changes (top-level+ARC) reinstates -O3 builds (regression since 3.16) - IDU intc related fixes, IRQ affinity - patch to make bitops safer for ARC - perf fix from Alexey to remove signed PC braino - Futex backend gets llock/scond support * tag 'arc-v4.2-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARCv2: support HS38 releases ARC: make sure instruction_pointer() returns unsigned value ARC: slightly refactor macros for boot logging ARC: Add llock/scond to futex backend arc:irqchip: prepare for drivers/irqchip/irqchip.h removal ARC: Make ARC bitops "safer" (add anti-optimization) ARCv2: [axs103] bump CPU frequency from 75 to 90 MHZ ARCv2: intc: IDU: Fix potential race in installing a chained IRQ handler ARCv2: intc: IDU: support irq affinity ARC: fix unused var wanring ARC: Don't memzero twice in dma_alloc_coherent for __GFP_ZERO ARC: Override toplevel default -O2 with -O3 kbuild: Allow arch Makefiles to override {cpp,ld,c}flags ARCv2: guard SLC DMA ops with spinlock ARC: Kconfig: better way to disable ARC_HAS_LLSC for ARC_CPU_750D
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