1. 27 Jul, 2022 1 commit
    • Florian Fainelli's avatar
      ARM: 9216/1: Fix MAX_DMA_ADDRESS overflow · fb0fd346
      Florian Fainelli authored
      Commit 26f09e9b ("mm/memblock: add memblock memory allocation apis")
      added a check to determine whether arm_dma_zone_size is exceeding the
      amount of kernel virtual address space available between the upper 4GB
      virtual address limit and PAGE_OFFSET in order to provide a suitable
      definition of MAX_DMA_ADDRESS that should fit within the 32-bit virtual
      address space. The quantity used for comparison was off by a missing
      trailing 0, leading to MAX_DMA_ADDRESS to be overflowing a 32-bit
      quantity.
      
      This was caught thanks to CONFIG_DEBUG_VIRTUAL on the bcm2711 platform
      where we define a dma_zone_size of 1GB and we have a PAGE_OFFSET value
      of 0xc000_0000 (CONFIG_VMSPLIT_3G) leading to MAX_DMA_ADDRESS being
      0x1_0000_0000 which overflows the unsigned long type used throughout
      __pa() and then __virt_addr_valid(). Because the virtual address passed
      to __virt_addr_valid() would now be 0, the function would loudly warn
      and flood the kernel log, thus making the platform unable to boot
      properly.
      
      Fixes: 26f09e9b ("mm/memblock: add memblock memory allocation apis")
      Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
      Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      fb0fd346
  2. 14 Jul, 2022 2 commits
  3. 06 Jul, 2022 6 commits
    • Ard Biesheuvel's avatar
      ARM: 9214/1: alignment: advance IT state after emulating Thumb instruction · e5c46fde
      Ard Biesheuvel authored
      After emulating a misaligned load or store issued in Thumb mode, we have
      to advance the IT state by hand, or it will get out of sync with the
      actual instruction stream, which means we'll end up applying the wrong
      condition code to subsequent instructions. This might corrupt the
      program state rather catastrophically.
      
      So borrow the it_advance() helper from the probing code, and use it on
      CPSR if the emulated instruction is Thumb.
      
      Cc: <stable@vger.kernel.org>
      Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      e5c46fde
    • Dmitry Osipenko's avatar
      ARM: 9213/1: Print message about disabled Spectre workarounds only once · e4ced82d
      Dmitry Osipenko authored
      Print the message about disabled Spectre workarounds only once. The
      message is printed each time CPU goes out from idling state on NVIDIA
      Tegra boards, causing storm in KMSG that makes system unusable.
      
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarDmitry Osipenko <dmitry.osipenko@collabora.com>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      e4ced82d
    • Linus Walleij's avatar
      ARM: 9212/1: domain: Modify Kconfig help text · 2bf62042
      Linus Walleij authored
      After the removal of set_fs() the reference to set_fs() is stale.
      Alter the helptext to reflect what the config option really does.
      
      Fixes: 8ac6f5d7 ("ARM: 9113/1: uaccess: remove set_fs() implementation")
      Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
      Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      2bf62042
    • Linus Walleij's avatar
      ARM: 9211/1: domain: drop modify_domain() · cc45b836
      Linus Walleij authored
      This function/macro isn't used anywhere in the kernel.
      The only user was set_fs() and was deleted in the set_fs()
      removal patch set.
      
      Fixes: 8ac6f5d7 ("ARM: 9113/1: uaccess: remove set_fs() implementation")
      Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
      Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      cc45b836
    • Zhen Lei's avatar
      ARM: 9210/1: Mark the FDT_FIXED sections as shareable · 598f0a99
      Zhen Lei authored
      commit 7a1be318 ("ARM: 9012/1: move device tree mapping out of linear
      region") use FDT_FIXED_BASE to map the whole FDT_FIXED_SIZE memory area
      which contains fdt. But it only reserves the exact physical memory that
      fdt occupied. Unfortunately, this mapping is non-shareable. An illegal or
      speculative read access can bring the RAM content from non-fdt zone into
      cache, PIPT makes it to be hit by subsequently read access through
      shareable mapping(such as linear mapping), and the cache consistency
      between cores is lost due to non-shareable property.
      
      |<---------FDT_FIXED_SIZE------>|
      |                               |
       -------------------------------
      | <non-fdt> | <fdt> | <non-fdt> |
       -------------------------------
      
      1. CoreA read <non-fdt> through MT_ROM mapping, the old data is loaded
         into the cache.
      2. CoreB write <non-fdt> to update data through linear mapping. CoreA
         received the notification to invalid the corresponding cachelines, but
         the property non-shareable makes it to be ignored.
      3. CoreA read <non-fdt> through linear mapping, cache hit, the old data
         is read.
      
      To eliminate this risk, add a new memory type MT_MEMORY_RO. Compared to
      MT_ROM, it is shareable and non-executable.
      
      Here's an example:
        list_del corruption. prev->next should be c0ecbf74, but was c08410dc
        kernel BUG at lib/list_debug.c:53!
        ... ...
        PC is at __list_del_entry_valid+0x58/0x98
        LR is at __list_del_entry_valid+0x58/0x98
        psr: 60000093
        sp : c0ecbf30  ip : 00000000  fp : 00000001
        r10: c08410d0  r9 : 00000001  r8 : c0825e0c
        r7 : 20000013  r6 : c08410d0  r5 : c0ecbf74  r4 : c0ecbf74
        r3 : c0825d08  r2 : 00000000  r1 : df7ce6f4  r0 : 00000044
        ... ...
        Stack: (0xc0ecbf30 to 0xc0ecc000)
        bf20:                                     c0ecbf74 c0164fd0 c0ecbf70 c0165170
        bf40: c0eca000 c0840c00 c0840c00 c0824500 c0825e0c c0189bbc c088f404 60000013
        bf60: 60000013 c0e85100 000004ec 00000000 c0ebcdc0 c0ecbf74 c0ecbf74 c0825d08
        ... ...                                           <  next     prev  >
        (__list_del_entry_valid) from (__list_del_entry+0xc/0x20)
        (__list_del_entry) from (finish_swait+0x60/0x7c)
        (finish_swait) from (rcu_gp_kthread+0x560/0xa20)
        (rcu_gp_kthread) from (kthread+0x14c/0x15c)
        (kthread) from (ret_from_fork+0x14/0x24)
      
      The faulty list node to be deleted is a local variable, its address is
      c0ecbf74. The dumped stack shows that 'prev' = c0ecbf74, but its value
      before lib/list_debug.c:53 is c08410dc. A large amount of printing results
      in swapping out the cacheline containing the old data(MT_ROM mapping is
      read only, so the cacheline cannot be dirty), and the subsequent dump
      operation obtains new data from the DDR.
      
      Fixes: 7a1be318 ("ARM: 9012/1: move device tree mapping out of linear region")
      Suggested-by: default avatarArd Biesheuvel <ardb@kernel.org>
      Signed-off-by: default avatarZhen Lei <thunder.leizhen@huawei.com>
      Reviewed-by: default avatarArd Biesheuvel <ardb@kernel.org>
      Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      598f0a99
    • Ard Biesheuvel's avatar
      ARM: 9209/1: Spectre-BHB: avoid pr_info() every time a CPU comes out of idle · 0609e200
      Ard Biesheuvel authored
      Jon reports that the Spectre-BHB init code is filling up the kernel log
      with spurious notifications about which mitigation has been enabled,
      every time any CPU comes out of a low power state.
      
      Given that Spectre-BHB mitigations are system wide, only a single
      mitigation can be enabled, and we already print an error if two types of
      CPUs coexist in a single system that require different Spectre-BHB
      mitigations.
      
      This means that the pr_info() that describes the selected mitigation
      does not need to be emitted for each CPU anyway, and so we can simply
      emit it only once.
      
      In order to clarify the above in the log message, update it to describe
      that the selected mitigation will be enabled on all CPUs, including ones
      that are unaffected. If another CPU comes up later that is affected and
      requires a different mitigation, we report an error as before.
      
      Fixes: b9baf5c8 ("ARM: Spectre-BHB workaround")
      Tested-by: default avatarJon Hunter <jonathanh@nvidia.com>
      Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
      Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
      0609e200
  4. 06 Jun, 2022 3 commits
  5. 05 Jun, 2022 20 commits
    • Linus Torvalds's avatar
      Merge tag 'mm-nonmm-stable-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm · e17fee89
      Linus Torvalds authored
      Pull delay-accounting update from Andrew Morton:
       "A single featurette for delay accounting.
      
        Delayed a bit because, unusually, it had dependencies on both the
        mm-stable and mm-nonmm-stable queues"
      
      * tag 'mm-nonmm-stable-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
        delayacct: track delays from write-protect copy
      e17fee89
    • Linus Torvalds's avatar
      bluetooth: don't use bitmaps for random flag accesses · e1cff700
      Linus Torvalds authored
      The bluetooth code uses our bitmap infrastructure for the two bits (!)
      of connection setup flags, and in the process causes odd problems when
      it converts between a bitmap and just the regular values of said bits.
      
      It's completely pointless to do things like bitmap_to_arr32() to convert
      a bitmap into a u32.  It shoudln't have been a bitmap in the first
      place.  The reason to use bitmaps is if you have arbitrary number of
      bits you want to manage (not two!), or if you rely on the atomicity
      guarantees of the bitmap setting and clearing.
      
      The code could use an "atomic_t" and use "atomic_or/andnot()" to set and
      clear the bit values, but considering that it then copies the bitmaps
      around with "bitmap_to_arr32()" and friends, there clearly cannot be a
      lot of atomicity requirements.
      
      So just use a regular integer.
      
      In the process, this avoids the warnings about erroneous use of
      bitmap_from_u64() which were triggered on 32-bit architectures when
      conversion from a u64 would access two words (and, surprise, surprise,
      only one word is needed - and indeed overkill - for a 2-bit bitmap).
      
      That was always problematic, but the compiler seems to notice it and
      warn about the invalid pattern only after commit 0a97953f ("lib: add
      bitmap_{from,to}_arr64") changed the exact implementation details of
      'bitmap_from_u64()', as reported by Sudip Mukherjee and Stephen Rothwell.
      
      Fixes: fe92ee64 ("Bluetooth: hci_core: Rework hci_conn_params flags")
      Link: https://lore.kernel.org/all/YpyJ9qTNHJzz0FHY@debian/
      Link: https://lore.kernel.org/all/20220606080631.0c3014f2@canb.auug.org.au/
      Link: https://lore.kernel.org/all/20220605162537.1604762-1-yury.norov@gmail.com/Reported-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
      Reported-by: default avatarSudip Mukherjee <sudipm.mukherjee@gmail.com>
      Reviewed-by: default avatarYury Norov <yury.norov@gmail.com>
      Cc: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
      Cc: Marcel Holtmann <marcel@holtmann.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      e1cff700
    • Al Viro's avatar
      fix the breakage in close_fd_get_file() calling conventions change · 40a19260
      Al Viro authored
      It used to grab an extra reference to struct file rather than
      just transferring to caller the one it had removed from descriptor
      table.  New variant doesn't, and callers need to be adjusted.
      
      Reported-and-tested-by: syzbot+47dd250f527cb7bebf24@syzkaller.appspotmail.com
      Fixes: 6319194e ("Unify the primitives for file descriptor closing")
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      40a19260
    • Linus Torvalds's avatar
      Merge tag 'x86-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · d717180e
      Linus Torvalds authored
      Pull x86 SGX fix from Thomas Gleixner:
       "A single fix for x86/SGX to prevent that memory which is allocated for
        an SGX enclave is accounted to the wrong memory control group"
      
      * tag 'x86-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/sgx: Set active memcg prior to shmem allocation
      d717180e
    • Linus Torvalds's avatar
      Merge tag 'x86-mm-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 0b7da15c
      Linus Torvalds authored
      Pull x86 mm cleanup from Thomas Gleixner:
       "Use PAGE_ALIGNED() instead of open coding it in the x86/mm code"
      
      * tag 'x86-mm-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/mm: Use PAGE_ALIGNED(x) instead of IS_ALIGNED(x, PAGE_SIZE)
      0b7da15c
    • Linus Torvalds's avatar
      Merge tag 'x86-microcode-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 9784edd7
      Linus Torvalds authored
      Pull x86 microcode updates from Thomas Gleixner:
      
       - Disable late microcode loading by default. Unless the HW people get
         their act together and provide a required minimum version in the
         microcode header for making a halfways informed decision its just
         lottery and broken.
      
       - Warn and taint the kernel when microcode is loaded late
      
       - Remove the old unused microcode loader interface
      
       - Remove a redundant perf callback from the microcode loader
      
      * tag 'x86-microcode-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/microcode: Remove unnecessary perf callback
        x86/microcode: Taint and warn on late loading
        x86/microcode: Default-disable late loading
        x86/microcode: Rip out the OLD_INTERFACE
      9784edd7
    • Linus Torvalds's avatar
      Merge tag 'x86-cleanups-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · a9251280
      Linus Torvalds authored
      Pull x86 cleanups from Thomas Gleixner:
       "A set of small x86 cleanups:
      
         - Remove unused headers in the IDT code
      
         - Kconfig indendation and comment fixes
      
         - Fix all 'the the' typos in one go instead of waiting for bots to
           fix one at a time"
      
      * tag 'x86-cleanups-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86: Fix all occurences of the "the the" typo
        x86/idt: Remove unused headers
        x86/Kconfig: Fix indentation of arch/x86/Kconfig.debug
        x86/Kconfig: Fix indentation and add endif comments to arch/x86/Kconfig
      a9251280
    • Linus Torvalds's avatar
      Merge tag 'x86-boot-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 1fd9f4ce
      Linus Torvalds authored
      Pull x86 boot update from Thomas Gleixner:
       "Use strlcpy() instead of strscpy() in arch_setup()"
      
      * tag 'x86-boot-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/setup: Use strscpy() to replace deprecated strlcpy()
      1fd9f4ce
    • Linus Torvalds's avatar
      Merge tag 'timers-core-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · c049ecc5
      Linus Torvalds authored
      Pull clockevent/clocksource updates from Thomas Gleixner:
      
       - Device tree bindings for MT8186
      
       - Tell the kernel that the RISC-V SBI timer stops in deeper power
         states
      
       - Make device tree parsing in sp804 more robust
      
       - Dead code removal and tiny fixes here and there
      
       - Add the missing SPDX identifiers
      
      * tag 'timers-core-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        clocksource/drivers/oxnas-rps: Fix irq_of_parse_and_map() return value
        clocksource/drivers/timer-ti-dm: Remove unnecessary NULL check
        clocksource/drivers/timer-sun5i: Convert to SPDX identifier
        clocksource/drivers/timer-sun4i: Convert to SPDX identifier
        clocksource/drivers/pistachio: Convert to SPDX identifier
        clocksource/drivers/orion: Convert to SPDX identifier
        clocksource/drivers/lpc32xx: Convert to SPDX identifier
        clocksource/drivers/digicolor: Convert to SPDX identifier
        clocksource/drivers/armada-370-xp: Convert to SPDX identifier
        clocksource/drivers/mips-gic-timer: Convert to SPDX identifier
        clocksource/drivers/jcore: Convert to SPDX identifier
        clocksource/drivers/bcm_kona: Convert to SPDX identifier
        clocksource/drivers/sp804: Avoid error on multiple instances
        clocksource/drivers/riscv: Events are stopped during CPU suspend
        clocksource/drivers/ixp4xx: Drop boardfile probe path
        dt-bindings: timer: Add compatible for Mediatek MT8186
      c049ecc5
    • Linus Torvalds's avatar
      Merge tag 'sched-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · bc1e02c3
      Linus Torvalds authored
      Pull scheduler fix from Thomas Gleixner:
       "Fix the fallout of sysctl code move which placed the init function
        wrong"
      
      * tag 'sched-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        sched/autogroup: Fix sysctl move
      bc1e02c3
    • Linus Torvalds's avatar
      Merge tag 'perf-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · fa11c280
      Linus Torvalds authored
      Pull perf fixes from Thomas Gleixner:
      
        - Make the ICL event constraints match reality
      
        - Remove a unused local variable
      
      * tag 'perf-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        perf/core: Remove unused local variable
        perf/x86/intel: Fix event constraints for ICL
      fa11c280
    • Linus Torvalds's avatar
      Merge tag 'perf-core-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 5cc47d4a
      Linus Torvalds authored
      Pull perf fixlet from Thomas Gleixner:
       "Trivial indentation fix in Kconfig"
      
      * tag 'perf-core-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        perf/x86/Kconfig: Fix indentation in the Kconfig file
      5cc47d4a
    • Linus Torvalds's avatar
      Merge tag 'objtool-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 44688ffd
      Linus Torvalds authored
      Pull objtool fixes from Thomas Gleixner:
      
       - Handle __ubsan_handle_builtin_unreachable() correctly and treat it as
         noreturn
      
       - Allow architectures to select uaccess validation
      
       - Use the non-instrumented bit test for test_cpu_has() to prevent
         escape from non-instrumentable regions
      
       - Use arch_ prefixed atomics for JUMP_LABEL=n builds to prevent escape
         from non-instrumentable regions
      
       - Mark a few tiny inline as __always_inline to prevent GCC from
         bringing them out of line and instrumenting them
      
       - Mark the empty stub context_tracking_enabled() as always inline as
         GCC brings them out of line and instruments the empty shell
      
       - Annotate ex_handler_msr_mce() as dead end
      
      * tag 'objtool-urgent-2022-06-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/extable: Annotate ex_handler_msr_mce() as a dead end
        context_tracking: Always inline empty stubs
        x86: Always inline on_thread_stack() and current_top_of_stack()
        jump_label,noinstr: Avoid instrumentation for JUMP_LABEL=n builds
        x86/cpu: Elide KCSAN for cpu_has() and friends
        objtool: Mark __ubsan_handle_builtin_unreachable() as noreturn
        objtool: Add CONFIG_HAVE_UACCESS_VALIDATION
      44688ffd
    • Linus Torvalds's avatar
      Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi · b2c9a83d
      Linus Torvalds authored
      Pull more SCSI updates from James Bottomley:
       "Mostly small bug fixes plus other trivial updates.
      
        The major change of note is moving ufs out of scsi and a minor update
        to lpfc vmid handling"
      
      * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits)
        scsi: qla2xxx: Remove unused 'ql_dm_tgt_ex_pct' parameter
        scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters
        scsi: mpi3mr: Fix kernel-doc
        scsi: lpfc: Add support for ATTO Fibre Channel devices
        scsi: core: Return BLK_STS_TRANSPORT for ALUA transitioning
        scsi: sd_zbc: Prevent zone information memory leak
        scsi: sd: Fix potential NULL pointer dereference
        scsi: mpi3mr: Rework mrioc->bsg_device model to fix warnings
        scsi: myrb: Fix up null pointer access on myrb_cleanup()
        scsi: core: Unexport scsi_bus_type
        scsi: sd: Don't call blk_cleanup_disk() in sd_probe()
        scsi: ufs: ufshcd: Delete unnecessary NULL check
        scsi: isci: Fix typo in comment
        scsi: pmcraid: Fix typo in comment
        scsi: smartpqi: Fix typo in comment
        scsi: qedf: Fix typo in comment
        scsi: esas2r: Fix typo in comment
        scsi: storvsc: Fix typo in comment
        scsi: ufs: Split the drivers/scsi/ufs directory
        scsi: qla1280: Remove redundant variable
        ...
      b2c9a83d
    • Linus Torvalds's avatar
      Merge tag 'hte/for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux · 29814363
      Linus Torvalds authored
      Pull hardware timestamping subsystem from Thierry Reding:
       "This contains the new HTE (hardware timestamping engine) subsystem
        that has been in the works for a couple of months now.
      
        The infrastructure provided allows for drivers to register as hardware
        timestamp providers, while consumers will be able to request events
        that they are interested in (such as GPIOs and IRQs) to be timestamped
        by the hardware providers.
      
        Note that this currently supports only one provider, but there seems
        to be enough interest in this functionality and we expect to see more
        drivers added once this is merged"
      
      [ Linus Walleij mentions the Intel PMC in the Elkhart and Tiger Lake
        platforms as another future timestamp provider ]
      
      * tag 'hte/for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
        dt-bindings: timestamp: Correct id path
        dt-bindings: Renamed hte directory to timestamp
        hte: Uninitialized variable in hte_ts_get()
        hte: Fix off by one in hte_push_ts_ns()
        hte: Fix possible use-after-free in tegra_hte_test_remove()
        hte: Remove unused including <linux/version.h>
        MAINTAINERS: Add HTE Subsystem
        hte: Add Tegra HTE test driver
        tools: gpio: Add new hardware clock type
        gpiolib: cdev: Add hardware timestamp clock type
        gpio: tegra186: Add HTE support
        gpiolib: Add HTE support
        dt-bindings: Add HTE bindings
        hte: Add Tegra194 HTE kernel provider
        drivers: Add hardware timestamp engine (HTE) subsystem
        Documentation: Add HTE subsystem guide
      29814363
    • Linus Torvalds's avatar
      Merge tag 'kbuild-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild · 71e80720
      Linus Torvalds authored
      Pull more Kbuild updates from Masahiro Yamada:
      
       - Fix build regressions for parisc, csky, nios2, openrisc
      
       - Simplify module builds for CONFIG_LTO_CLANG and CONFIG_X86_KERNEL_IBT
      
       - Remove arch/parisc/nm, which was presumably a workaround for old
         tools
      
       - Check the odd combination of EXPORT_SYMBOL and 'static' precisely
      
       - Make external module builds robust against "too long argument error"
      
       - Support j, k keys for moving the cursor in nconfig
      
      * tag 'kbuild-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (25 commits)
        kbuild: Allow to select bash in a modified environment
        scripts: kconfig: nconf: make nconfig accept jk keybindings
        modpost: use fnmatch() to simplify match()
        modpost: simplify mod->name allocation
        kbuild: factor out the common objtool arguments
        kbuild: move vmlinux.o link to scripts/Makefile.vmlinux_o
        kbuild: clean .tmp_* pattern by make clean
        kbuild: remove redundant cleanups in scripts/link-vmlinux.sh
        kbuild: rebuild multi-object modules when objtool is updated
        kbuild: add cmd_and_savecmd macro
        kbuild: make *.mod rule robust against too long argument error
        kbuild: make built-in.a rule robust against too long argument error
        kbuild: check static EXPORT_SYMBOL* by script instead of modpost
        parisc: remove arch/parisc/nm
        kbuild: do not create *.prelink.o for Clang LTO or IBT
        kbuild: replace $(linked-object) with CONFIG options
        kbuild: do not try to parse *.cmd files for objects provided by compiler
        kbuild: replace $(if A,A,B) with $(or A,B) in scripts/Makefile.modpost
        modpost: squash if...else-if in find_elf_symbol2()
        modpost: reuse ARRAY_SIZE() macro for section_mismatch()
        ...
      71e80720
    • Linus Torvalds's avatar
      Merge tag 'pull-18-rc1-work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · 952923dd
      Linus Torvalds authored
      Pull vfs pathname updates from Al Viro:
       "Several cleanups in fs/namei.c"
      
      * tag 'pull-18-rc1-work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
        namei: cleanup double word in comment
        get rid of dead code in legitimize_root()
        fs/namei.c:reserve_stack(): tidy up the call of try_to_unlazy()
      952923dd
    • Linus Torvalds's avatar
      Merge tag 'pull-18-rc1-work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · cbd76ede
      Linus Torvalds authored
      Pull mount handling updates from Al Viro:
       "Cleanups (and one fix) around struct mount handling.
      
        The fix is usermode_driver.c one - once you've done kern_mount(), you
        must kern_unmount(); simple mntput() will end up with a leak. Several
        failure exits in there messed up that way... In practice you won't hit
        those particular failure exits without fault injection, though"
      
      * tag 'pull-18-rc1-work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
        move mount-related externs from fs.h to mount.h
        blob_to_mnt(): kern_unmount() is needed to undo kern_mount()
        m->mnt_root->d_inode->i_sb is a weird way to spell m->mnt_sb...
        linux/mount.h: trim includes
        uninline may_mount() and don't opencode it in fspick(2)/fsopen(2)
      cbd76ede
    • Linus Torvalds's avatar
      Merge tag 'pull-18-rc1-work.fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · dbe0ee46
      Linus Torvalds authored
      Pull file descriptor updates from Al Viro.
      
       - Descriptor handling cleanups
      
      * tag 'pull-18-rc1-work.fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
        Unify the primitives for file descriptor closing
        fs: remove fget_many and fput_many interface
        io_uring_enter(): don't leave f.flags uninitialized
      dbe0ee46
    • Linus Torvalds's avatar
      Merge tag '5.19-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6 · d66016c5
      Linus Torvalds authored
      Pull cifs client fixes from Steve French:
       "Nine cifs/smb3 client fixes.
      
        Includes DFS fixes, some cleanup of leagcy SMB1 code, duplicated
        message cleanup and a double free and deadlock fix"
      
      * tag '5.19-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
        cifs: fix uninitialized pointer in error case in dfs_cache_get_tgt_share
        cifs: skip trailing separators of prefix paths
        cifs: update internal module number
        cifs: version operations for smb20 unneeded when legacy support disabled
        cifs: do not build smb1ops if legacy support is disabled
        cifs: fix potential deadlock in direct reclaim
        cifs: when extending a file with falloc we should make files not-sparse
        cifs: remove repeated debug message on cifs_put_smb_ses()
        cifs: fix potential double free during failed mount
      d66016c5
  6. 04 Jun, 2022 8 commits
    • Schspa Shi's avatar
      kbuild: Allow to select bash in a modified environment · 42ce60aa
      Schspa Shi authored
      This fixes the build error when the system has a default bash version
      which is too old to support associative array variables.
      
      The build error log as fellowing:
      linux/scripts/check-local-export: line 11: declare: -A: invalid option
      declare: usage: declare [-afFirtx] [-p] [name[=value] ...]
      Signed-off-by: default avatarSchspa Shi <schspa@gmail.com>
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      42ce60aa
    • Isak Ellmer's avatar
      scripts: kconfig: nconf: make nconfig accept jk keybindings · 2bbb4861
      Isak Ellmer authored
      Make nconfig accept jk keybindings for movement in addition to arrow
      keys.
      Signed-off-by: default avatarIsak Ellmer <isak01@gmail.com>
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      2bbb4861
    • Masahiro Yamada's avatar
      modpost: use fnmatch() to simplify match() · a89227d7
      Masahiro Yamada authored
      Replace the own implementation for wildcard (glob) matching with
      a function call to fnmatch().
      
      Also, change the return type to 'bool'.
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      a89227d7
    • Masahiro Yamada's avatar
      modpost: simplify mod->name allocation · 8c9ce89c
      Masahiro Yamada authored
      mod->name is set to the ELF filename with the suffix ".o" stripped.
      
      The current code calls strdup() and free() to manipulate the string,
      but a simpler approach is to pass new_module() with the name length
      subtracted by 2.
      
      Also, check if the passed filename ends with ".o" before stripping it.
      
      The current code blindly chops the suffix:
      
          tmp[strlen(tmp) - 2] = '\0'
      
      It will cause buffer under-run if strlen(tmp) < 2;
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      Reviewed-by: default avatarNick Desaulniers <ndesaulniers@google.com>
      8c9ce89c
    • Masahiro Yamada's avatar
      kbuild: factor out the common objtool arguments · b42d2306
      Masahiro Yamada authored
      scripts/Makefile.build and scripts/link-vmlinux.sh have similar setups
      for the objtool arguments.
      
      It was difficult to factor out them because all the vmlinux build rules
      were written in a shell script. It is somewhat tedious to touch the two
      files every time a new objtool option is supported.
      
      To reduce the code duplication, move the objtool for vmlinux.o into
      scripts/Makefile.vmlinux_o. Then, move the common macros to Makefile.lib
      so they are shared between Makefile.build and Makefile.vmlinux_o.
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
      b42d2306
    • Masahiro Yamada's avatar
      kbuild: move vmlinux.o link to scripts/Makefile.vmlinux_o · 5d45950d
      Masahiro Yamada authored
      This is a preparation for moving the objtool rule in the next commit.
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
      5d45950d
    • Masahiro Yamada's avatar
      kbuild: clean .tmp_* pattern by make clean · b0d6207b
      Masahiro Yamada authored
      Change the "make clean" rule to remove all the .tmp_* files.
      
      .tmp_objdiff is the only exception, which should be removed by
      "make mrproper".
      
      Rename the record directory of objdiff, .tmp_objdiff to .objdiff to
      avoid the removal by "make clean".
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
      b0d6207b
    • Linus Torvalds's avatar
      Merge tag 'bitmap-for-5.19-rc1' of https://github.com/norov/linux · d0e60d46
      Linus Torvalds authored
      Pull bitmap updates from Yury Norov:
      
       - bitmap: optimize bitmap_weight() usage, from me
      
       - lib/bitmap.c make bitmap_print_bitmask_to_buf parseable, from Mauro
         Carvalho Chehab
      
       - include/linux/find: Fix documentation, from Anna-Maria Behnsen
      
       - bitmap: fix conversion from/to fix-sized arrays, from me
      
       - bitmap: Fix return values to be unsigned, from Kees Cook
      
      It has been in linux-next for at least a week with no problems.
      
      * tag 'bitmap-for-5.19-rc1' of https://github.com/norov/linux: (31 commits)
        nodemask: Fix return values to be unsigned
        bitmap: Fix return values to be unsigned
        KVM: x86: hyper-v: replace bitmap_weight() with hweight64()
        KVM: x86: hyper-v: fix type of valid_bank_mask
        ia64: cleanup remove_siblinginfo()
        drm/amd/pm: use bitmap_{from,to}_arr32 where appropriate
        KVM: s390: replace bitmap_copy with bitmap_{from,to}_arr64 where appropriate
        lib/bitmap: add test for bitmap_{from,to}_arr64
        lib: add bitmap_{from,to}_arr64
        lib/bitmap: extend comment for bitmap_(from,to)_arr32()
        include/linux/find: Fix documentation
        lib/bitmap.c make bitmap_print_bitmask_to_buf parseable
        MAINTAINERS: add cpumask and nodemask files to BITMAP_API
        arch/x86: replace nodes_weight with nodes_empty where appropriate
        mm/vmstat: replace cpumask_weight with cpumask_empty where appropriate
        clocksource: replace cpumask_weight with cpumask_empty in clocksource.c
        genirq/affinity: replace cpumask_weight with cpumask_empty where appropriate
        irq: mips: replace cpumask_weight with cpumask_empty where appropriate
        drm/i915/pmu: replace cpumask_weight with cpumask_empty where appropriate
        arch/x86: replace cpumask_weight with cpumask_empty where appropriate
        ...
      d0e60d46