1. 18 May, 2018 1 commit
    • Andy Shevchenko's avatar
      x86/io: Define readq()/writeq() to use 64-bit type · 6469a0ee
      Andy Shevchenko authored
      Since non atomic readq() and writeq() were added some of the drivers
      would like to use it in a manner of:
      
       #include <io-64-nonatomic-lo-hi.h>
       ...
       pr_debug("Debug value of some register: %016llx\n", readq(addr));
      
      However, lo_hi_readq() always returns __u64 data, while readq()
      on x86_64 defines it as unsigned long. and thus compiler warns
      about type mismatch, although they are both 64-bit on x86_64.
      
      Convert readq() and writeq() on x86 to operate on deterministic
      64-bit type. The most of architectures in the kernel already are using
      either unsigned long long, or u64 type for readq() / writeq().
      This change propagates consistency in that sense.
      
      While this is not an issue per se, though if someone wants to address it,
      the anchor could be the commit:
      
        797a796a ("asm-generic: architecture independent readq/writeq for 32bit environment")
      
      where non-atomic variants had been introduced.
      
      Note, there are only few users of above pattern and they will not be
      affected because they do cast returned value. The actual warning has
      been issued on not-yet-upstreamed code.
      
      Potentially we might get a new warnings if some 64-bit only code
      assigns returned value to unsigned long type of variable. This is
      assumed to be addressed on case-by-case basis.
      Reported-by: default avatarlkp <lkp@intel.com>
      Tested-by: default avatarSohil Mehta <sohil.mehta@intel.com>
      Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
      Cc: Andy Lutomirski <luto@kernel.org>
      Cc: Borislav Petkov <bp@alien8.de>
      Cc: Brian Gerst <brgerst@gmail.com>
      Cc: Denys Vlasenko <dvlasenk@redhat.com>
      Cc: H. Peter Anvin <hpa@zytor.com>
      Cc: Josh Poimboeuf <jpoimboe@redhat.com>
      Cc: Linus Torvalds <torvalds@linux-foundation.org>
      Cc: Peter Zijlstra <peterz@infradead.org>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Link: http://lkml.kernel.org/r/20180515115211.55050-1-andriy.shevchenko@linux.intel.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
      6469a0ee
  2. 14 May, 2018 1 commit
  3. 13 May, 2018 6 commits
    • Linus Torvalds's avatar
      Linux 4.17-rc5 · 67b8d5c7
      Linus Torvalds authored
      67b8d5c7
    • Linus Torvalds's avatar
      Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 66e1c94d
      Linus Torvalds authored
      Pull x86/pti updates from Thomas Gleixner:
       "A mixed bag of fixes and updates for the ghosts which are hunting us.
      
        The scheduler fixes have been pulled into that branch to avoid
        conflicts.
      
         - A set of fixes to address a khread_parkme() race which caused lost
           wakeups and loss of state.
      
         - A deadlock fix for stop_machine() solved by moving the wakeups
           outside of the stopper_lock held region.
      
         - A set of Spectre V1 array access restrictions. The possible
           problematic spots were discuvered by Dan Carpenters new checks in
           smatch.
      
         - Removal of an unused file which was forgotten when the rest of that
           functionality was removed"
      
      * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/vdso: Remove unused file
        perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr
        perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver
        perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map()
        perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_*
        perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]
        sched/autogroup: Fix possible Spectre-v1 indexing for sched_prio_to_weight[]
        sched/core: Fix possible Spectre-v1 indexing for sched_prio_to_weight[]
        sched/core: Introduce set_special_state()
        kthread, sched/wait: Fix kthread_parkme() completion issue
        kthread, sched/wait: Fix kthread_parkme() wait-loop
        sched/fair: Fix the update of blocked load when newly idle
        stop_machine, sched: Fix migrate_swap() vs. active_balance() deadlock
      66e1c94d
    • Linus Torvalds's avatar
      Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 86a4ac43
      Linus Torvalds authored
      Pull scheduler fix from Thomas Gleixner:
       "Revert the new NUMA aware placement approach which turned out to
        create more problems than it solved"
      
      * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        Revert "sched/numa: Delay retrying placement for automatic NUMA balance after wake_affine()"
      86a4ac43
    • Linus Torvalds's avatar
      Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · baeda713
      Linus Torvalds authored
      Pull perf tooling fixes from Thomas Gleixner:
       "Another small set of perf tooling fixes and updates:
      
         - Revert "perf pmu: Fix pmu events parsing rule", as it broke Intel
           PT event description parsing (Arnaldo Carvalho de Melo)
      
         - Sync x86's cpufeatures.h and kvm UAPI headers with the kernel
           sources, suppressing the ABI drift warnings (Arnaldo Carvalho de
           Melo)
      
         - Remove duplicated entry for westmereep-dp in Intel's mapfile.csv
           (William Cohen)
      
         - Fix typo in 'perf bench numa' options description (Yisheng Xie)"
      
      * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        Revert "perf pmu: Fix pmu events parsing rule"
        tools headers kvm: Sync ARM UAPI headers with the kernel sources
        tools headers kvm: Sync uapi/linux/kvm.h with the kernel sources
        tools headers: Sync x86 cpufeatures.h with the kernel sources
        perf vendor events intel: Remove duplicated entry for westmereep-dp in mapfile.csv
        perf bench numa: Fix typo in options
      baeda713
    • Linus Torvalds's avatar
      Merge tag 'dma-mapping-4.17-5' of git://git.infradead.org/users/hch/dma-mapping · 0503fd65
      Linus Torvalds authored
      Pull dma-mapping fix from Christoph Hellwig:
       "Just one little fix from Jean to avoid a harmless but very annoying
        warning, especially for the drm code"
      
      * tag 'dma-mapping-4.17-5' of git://git.infradead.org/users/hch/dma-mapping:
        swiotlb: silent unwanted warning "buffer is full"
      0503fd65
    • Linus Torvalds's avatar
      Merge tag '4.17-rc4-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6 · ccda3c4b
      Linus Torvalds authored
      Pull cifs fixes from Steve French:
       "Some small SMB3 fixes for 4.17-rc5, some for stable"
      
      * tag '4.17-rc4-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6:
        smb3: directory sync should not return an error
        cifs: smb2ops: Fix listxattr() when there are no EAs
        cifs: smbd: Enable signing with smbdirect
        cifs: Allocate validate negotiation request through kmalloc
      ccda3c4b
  4. 12 May, 2018 18 commits
  5. 11 May, 2018 14 commits
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · 4bc87198
      Linus Torvalds authored
      Pull networking fixes from David Miller:
      
       1) Verify lengths of keys provided by the user is AF_KEY, from Kevin
          Easton.
      
       2) Add device ID for BCM89610 PHY. Thanks to Bhadram Varka.
      
       3) Add Spectre guards to some ATM code, courtesy of Gustavo A. R.
          Silva.
      
       4) Fix infinite loop in NSH protocol code. To Eric Dumazet we are most
          grateful for this fix.
      
       5) Line up /proc/net/netlink headers properly. This fix from YU Bo, we
          do appreciate.
      
       6) Use after free in TLS code. Once again we are blessed by the
          honorable Eric Dumazet with this fix.
      
       7) Fix regression in TLS code causing stalls on partial TLS records.
          This fix is bestowed upon us by Andrew Tomt.
      
       8) Deal with too small MTUs properly in LLC code, another great gift
          from Eric Dumazet.
      
       9) Handle cached route flushing properly wrt. MTU locking in ipv4, to
          Hangbin Liu we give thanks for this.
      
      10) Fix regression in SO_BINDTODEVIC handling wrt. UDP socket demux.
          Paolo Abeni, he gave us this.
      
      11) Range check coalescing parameters in mlx4 driver, thank you Moshe
          Shemesh.
      
      12) Some ipv6 ICMP error handling fixes in rxrpc, from our good brother
          David Howells.
      
      13) Fix kexec on mlx5 by freeing IRQs in shutdown path. Daniel Juergens,
          you're the best!
      
      14) Don't send bonding RLB updates to invalid MAC addresses. Debabrata
          Benerjee saved us!
      
      15) Uh oh, we were leaking in udp_sendmsg and ping_v4_sendmsg. The ship
          is now water tight, thanks to Andrey Ignatov.
      
      16) IPSEC memory leak in ixgbe from Colin Ian King, man we've got holes
          everywhere!
      
      17) Fix error path in tcf_proto_create, Jiri Pirko what would we do
          without you!
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (92 commits)
        net sched actions: fix refcnt leak in skbmod
        net: sched: fix error path in tcf_proto_create() when modules are not configured
        net sched actions: fix invalid pointer dereferencing if skbedit flags missing
        ixgbe: fix memory leak on ipsec allocation
        ixgbevf: fix ixgbevf_xmit_frame()'s return type
        ixgbe: return error on unsupported SFP module when resetting
        ice: Set rq_last_status when cleaning rq
        ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg
        mlxsw: core: Fix an error handling path in 'mlxsw_core_bus_device_register()'
        bonding: send learning packets for vlans on slave
        bonding: do not allow rlb updates to invalid mac
        net/mlx5e: Err if asked to offload TC match on frag being first
        net/mlx5: E-Switch, Include VF RDMA stats in vport statistics
        net/mlx5: Free IRQs in shutdown path
        rxrpc: Trace UDP transmission failure
        rxrpc: Add a tracepoint to log ICMP/ICMP6 and error messages
        rxrpc: Fix the min security level for kernel calls
        rxrpc: Fix error reception on AF_INET6 sockets
        rxrpc: Fix missing start of call timeout
        qed: fix spelling mistake: "taskelt" -> "tasklet"
        ...
      4bc87198
    • Linus Torvalds's avatar
      Merge tag 'nfs-for-4.17-2' of git://git.linux-nfs.org/projects/anna/linux-nfs · a1f45efb
      Linus Torvalds authored
      Pull NFS client fixes from Anna Schumaker:
       "These patches fix both a possible corruption during NFSoRDMA MR
        recovery, and a sunrpc tracepoint crash.
      
        Additionally, Trond has a new email address to put in the MAINTAINERS
        file"
      
      * tag 'nfs-for-4.17-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
        Change Trond's email address in MAINTAINERS
        sunrpc: Fix latency trace point crashes
        xprtrdma: Fix list corruption / DMAR errors during MR recovery
      a1f45efb
    • Roman Mashak's avatar
      net sched actions: fix refcnt leak in skbmod · a52956df
      Roman Mashak authored
      When application fails to pass flags in netlink TLV when replacing
      existing skbmod action, the kernel will leak refcnt:
      
      $ tc actions get action skbmod index 1
      total acts 0
      
              action order 0: skbmod pipe set smac 00:11:22:33:44:55
               index 1 ref 1 bind 0
      
      For example, at this point a buggy application replaces the action with
      index 1 with new smac 00:aa:22:33:44:55, it fails because of zero flags,
      however refcnt gets bumped:
      
      $ tc actions get actions skbmod index 1
      total acts 0
      
              action order 0: skbmod pipe set smac 00:11:22:33:44:55
               index 1 ref 2 bind 0
      $
      
      Tha patch fixes this by calling tcf_idr_release() on existing actions.
      
      Fixes: 86da71b5 ("net_sched: Introduce skbmod action")
      Signed-off-by: default avatarRoman Mashak <mrv@mojatatu.com>
      Acked-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      a52956df
    • Linus Torvalds's avatar
      Merge tag 'ceph-for-4.17-rc5' of git://github.com/ceph/ceph-client · ac428036
      Linus Torvalds authored
      Pull ceph fixes from Ilya Dryomov:
       "These patches fix two long-standing bugs in the DIO code path, one of
        which is a crash trivially triggerable with splice()"
      
      * tag 'ceph-for-4.17-rc5' of git://github.com/ceph/ceph-client:
        ceph: fix iov_iter issues in ceph_direct_read_write()
        libceph: add osd_req_op_extent_osd_data_bvecs()
        ceph: fix rsize/wsize capping in ceph_direct_read_write()
      ac428036
    • Jiri Pirko's avatar
      net: sched: fix error path in tcf_proto_create() when modules are not configured · d68d75fd
      Jiri Pirko authored
      In case modules are not configured, error out when tp->ops is null
      and prevent later null pointer dereference.
      
      Fixes: 33a48927 ("sched: push TC filter protocol creation into a separate function")
      Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
      Acked-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      d68d75fd
    • Linus Torvalds's avatar
      Merge tag 'sh-for-4.17-fixes' of git://git.libc.org/linux-sh · 3f5f8596
      Linus Torvalds authored
      Pull arch/sh fixes from Rich Felker:
       "Fixes for critical regressions and a build failure.
      
        The regressions were introduced in 4.15 and 4.17-rc1 and prevented
        booting on affected systems"
      
      * tag 'sh-for-4.17-fixes' of git://git.libc.org/linux-sh:
        sh: switch to NO_BOOTMEM
        sh: mm: Fix unprotected access to struct device
        sh: fix build failure for J2 cpu with SMP disabled
      3f5f8596
    • Linus Torvalds's avatar
      Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · 7404bc27
      Linus Torvalds authored
      Pull arm64 fixes from Will Deacon:
       "There's a small memblock accounting problem when freeing the initrd
        and a Spectre-v2 mitigation for NVIDIA Denver CPUs which just requires
        a match on the CPU ID register.
      
        Summary:
      
         - Mitigate Spectre-v2 for NVIDIA Denver CPUs
      
         - Free memblocks corresponding to freed initrd area"
      
      * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
        arm64: capabilities: Add NVIDIA Denver CPU to bp_harden list
        arm64: Add MIDR encoding for NVIDIA CPUs
        arm64: To remove initrd reserved area entry from memblock
      7404bc27
    • Linus Torvalds's avatar
      Merge tag 'powerpc-4.17-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · 5c6b5460
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
       "One fix for an actual regression, the change to the SYSCALL_DEFINE
        wrapper broke FTRACE_SYSCALLS for us due to a name mismatch. There's
        also another commit to the same code to make sure we match all our
        syscalls with various prefixes.
      
        And then just one minor build fix, and the removal of an unused
        variable that was removed and then snuck back in due to some rebasing.
      
        Thanks to: Naveen N. Rao"
      
      * tag 'powerpc-4.17-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
        powerpc/pseries: Fix CONFIG_NUMA=n build
        powerpc/trace/syscalls: Update syscall name matching logic to account for ppc_ prefix
        powerpc/trace/syscalls: Update syscall name matching logic
        powerpc/64: Remove unused paca->soft_enabled
      5c6b5460
    • Linus Torvalds's avatar
      Merge tag 'trace-v4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · c110a8b7
      Linus Torvalds authored
      Pull tracing fix from Steven Rostedt:
       "Working on some new updates to trace filtering, I noticed that the
        regex_match_front() test was updated to be limited to the size of the
        pattern instead of the full test string.
      
        But as the test string is not guaranteed to be nul terminated, it
        still needs to consider the size of the test string"
      
      * tag 'trace-v4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
        tracing: Fix regex_match_front() to not over compare the test string
      c110a8b7
    • David S. Miller's avatar
      Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue · f4d641a2
      David S. Miller authored
      Jeff Kirsher says:
      
      ====================
      Intel Wired LAN Driver Updates 2018-05-11
      
      This series contains fixes to the ice, ixgbe and ixgbevf drivers.
      
      Jeff Shaw provides a fix to ensure rq_last_status gets set, whether or
      not the hardware responds with an error in the ice driver.
      
      Emil adds a check for unsupported module during the reset routine for
      ixgbe.
      
      Luc Van Oostenryck fixes ixgbevf_xmit_frame() where it was not using the
      correct return value (int).
      
      Colin Ian King fixes a potential resource leak in ixgbe, where we were
      not freeing ipsec in our cleanup path.
      ====================
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      f4d641a2
    • David S. Miller's avatar
      Merge tag 'rxrpc-fixes-20180510' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs · f0100891
      David S. Miller authored
      David Howells says:
      
      ====================
      rxrpc: Fixes
      
      Here are three fixes for AF_RXRPC and two tracepoints that were useful for
      finding them:
      
       (1) Fix missing start of expect-Rx-by timeout on initial packet
           transmission so that calls will time out if the peer doesn't respond.
      
       (2) Fix error reception on AF_INET6 sockets by using the correct family of
           sockopts on the UDP transport socket.
      
       (3) Fix setting the minimum security level on kernel calls so that they
           can be encrypted.
      
       (4) Add a tracepoint to log ICMP/ICMP6 and other error reports from the
           transport socket.
      
       (5) Add a tracepoint to log UDP sendmsg failure so that we can find out if
           transmission failure occurred on the UDP socket.
      ====================
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      f0100891
    • Roman Mashak's avatar
      net sched actions: fix invalid pointer dereferencing if skbedit flags missing · af5d0184
      Roman Mashak authored
      When application fails to pass flags in netlink TLV for a new skbedit action,
      the kernel results in the following oops:
      
      [    8.307732] BUG: unable to handle kernel paging request at 0000000000021130
      [    8.309167] PGD 80000000193d1067 P4D 80000000193d1067 PUD 180e0067 PMD 0
      [    8.310595] Oops: 0000 [#1] SMP PTI
      [    8.311334] Modules linked in: kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd cryptd glue_helper serio_raw
      [    8.314190] CPU: 1 PID: 397 Comm: tc Not tainted 4.17.0-rc3+ #357
      [    8.315252] RIP: 0010:__tcf_idr_release+0x33/0x140
      [    8.316203] RSP: 0018:ffffa0718038f840 EFLAGS: 00010246
      [    8.317123] RAX: 0000000000000001 RBX: 0000000000021100 RCX: 0000000000000000
      [    8.319831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000021100
      [    8.321181] RBP: 0000000000000000 R08: 000000000004adf8 R09: 0000000000000122
      [    8.322645] R10: 0000000000000000 R11: ffffffff9e5b01ed R12: 0000000000000000
      [    8.324157] R13: ffffffff9e0d3cc0 R14: 0000000000000000 R15: 0000000000000000
      [    8.325590] FS:  00007f591292e700(0000) GS:ffff8fcf5bc40000(0000) knlGS:0000000000000000
      [    8.327001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
      [    8.327987] CR2: 0000000000021130 CR3: 00000000180e6004 CR4: 00000000001606a0
      [    8.329289] Call Trace:
      [    8.329735]  tcf_skbedit_init+0xa7/0xb0
      [    8.330423]  tcf_action_init_1+0x362/0x410
      [    8.331139]  ? try_to_wake_up+0x44/0x430
      [    8.331817]  tcf_action_init+0x103/0x190
      [    8.332511]  tc_ctl_action+0x11a/0x220
      [    8.333174]  rtnetlink_rcv_msg+0x23d/0x2e0
      [    8.333902]  ? _cond_resched+0x16/0x40
      [    8.334569]  ? __kmalloc_node_track_caller+0x5b/0x2c0
      [    8.335440]  ? rtnl_calcit.isra.31+0xf0/0xf0
      [    8.336178]  netlink_rcv_skb+0xdb/0x110
      [    8.336855]  netlink_unicast+0x167/0x220
      [    8.337550]  netlink_sendmsg+0x2a7/0x390
      [    8.338258]  sock_sendmsg+0x30/0x40
      [    8.338865]  ___sys_sendmsg+0x2c5/0x2e0
      [    8.339531]  ? pagecache_get_page+0x27/0x210
      [    8.340271]  ? filemap_fault+0xa2/0x630
      [    8.340943]  ? page_add_file_rmap+0x108/0x200
      [    8.341732]  ? alloc_set_pte+0x2aa/0x530
      [    8.342573]  ? finish_fault+0x4e/0x70
      [    8.343332]  ? __handle_mm_fault+0xbc1/0x10d0
      [    8.344337]  ? __sys_sendmsg+0x53/0x80
      [    8.345040]  __sys_sendmsg+0x53/0x80
      [    8.345678]  do_syscall_64+0x4f/0x100
      [    8.346339]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
      [    8.347206] RIP: 0033:0x7f591191da67
      [    8.347831] RSP: 002b:00007fff745abd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
      [    8.349179] RAX: ffffffffffffffda RBX: 00007fff745abe70 RCX: 00007f591191da67
      [    8.350431] RDX: 0000000000000000 RSI: 00007fff745abdc0 RDI: 0000000000000003
      [    8.351659] RBP: 000000005af35251 R08: 0000000000000001 R09: 0000000000000000
      [    8.352922] R10: 00000000000005f1 R11: 0000000000000246 R12: 0000000000000000
      [    8.354183] R13: 00007fff745afed0 R14: 0000000000000001 R15: 00000000006767c0
      [    8.355400] Code: 41 89 d4 53 89 f5 48 89 fb e8 aa 20 fd ff 85 c0 0f 84 ed 00
      00 00 48 85 db 0f 84 cf 00 00 00 40 84 ed 0f 85 cd 00 00 00 45 84 e4 <8b> 53 30
      74 0d 85 d2 b8 ff ff ff ff 0f 8f b3 00 00 00 8b 43 2c
      [    8.358699] RIP: __tcf_idr_release+0x33/0x140 RSP: ffffa0718038f840
      [    8.359770] CR2: 0000000000021130
      [    8.360438] ---[ end trace 60c66be45dfc14f0 ]---
      
      The caller calls action's ->init() and passes pointer to "struct tc_action *a",
      which later may be initialized to point at the existing action, otherwise
      "struct tc_action *a" is still invalid, and therefore dereferencing it is an
      error as happens in tcf_idr_release, where refcnt is decremented.
      
      So in case of missing flags tcf_idr_release must be called only for
      existing actions.
      
      v2:
          - prepare patch for net tree
      
      Fixes: 5e1567ae ("net sched: skbedit action fix late binding")
      Signed-off-by: default avatarRoman Mashak <mrv@mojatatu.com>
      Acked-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      af5d0184
    • Jens Axboe's avatar
      nvme: add quirk to force medium priority for SQ creation · 9abd68ef
      Jens Axboe authored
      Some P3100 drives have a bug where they think WRRU (weighted round robin)
      is always enabled, even though the host doesn't set it. Since they think
      it's enabled, they also look at the submission queue creation priority. We
      used to set that to MEDIUM by default, but that was removed in commit
      81c1cd98. This causes various issues on that drive. Add a quirk to
      still set MEDIUM priority for that controller.
      
      Fixes: 81c1cd98 ("nvme/pci: Don't set reserved SQ create flags")
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      Signed-off-by: default avatarKeith Busch <keith.busch@intel.com>
      9abd68ef
    • Linus Torvalds's avatar
      Merge tag 'for-linus-4.17-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip · 84c3a097
      Linus Torvalds authored
      Pull xen fix from Juergen Gross:
       "One fix for the kernel running as a fully virtualized guest using PV
        drivers on old Xen hypervisor versions"
      
      * tag 'for-linus-4.17-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
        x86/xen: Reset VCPU0 info pointer after shared_info remap
      84c3a097