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2020-04-22s390/ftrace: fix potential crashes when switching tracersPhilipp Rudo3-4/+4
Switching tracers include instruction patching. To prevent that a instruction is patched while it's read the instruction patching is done in stop_machine 'context'. This also means that any function called during stop_machine must not be traced. Thus add 'notrace' to all functions called within stop_machine. Fixes: 1ec2772e0c3c ("s390/diag: add a statistic for diagnose calls") Fixes: 38f2c691a4b3 ("s390: improve wait logic of stop_machine") Fixes: 4ecf0a43e729 ("processor: get rid of cpu_relax_yield") Signed-off-by: Philipp Rudo <[email protected]> Signed-off-by: Vasily Gorbik <[email protected]>
2020-04-22spi: spi-fsl-qspi: Fix return value check of devm_ioremap() in probeWei Yongjun1-2/+2
In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Fixes: 858e26a515c2 ("spi: spi-fsl-qspi: Reduce devm_ioremap size to 4 times AHB buffer size") Signed-off-by: Wei Yongjun <[email protected]> Reviewed-by: Ashish Kumar <[email protected]> Acked-by: Han Xu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-22ALSA: usb-audio: Add connector notifier delegationTakashi Iwai3-0/+48
It turned out that ALC1220-VB USB-audio device gives the interrupt event to some PCM terminals while those don't allow the connector state request but only the actual I/O terminals return the request. The recent commit 7dc3c5a0172e ("ALSA: usb-audio: Don't create jack controls for PCM terminals") excluded those phantom terminals, so those events are ignored, too. My first thought was that this could be easily deduced from the associated terminals, but some of them have even no associate terminal ID, hence it's not too trivial to figure out. Since the number of such terminals are small and limited, this patch implements another quirk table for the simple mapping of the connectors. It's not really scalable, but let's hope that there will be not many such funky devices in future. Fixes: 7dc3c5a0172e ("ALSA: usb-audio: Don't create jack controls for PCM terminals") BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206873 Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
2020-04-22exfat: truncate atimes to 2s granularityEric Sandeen5-1/+24
The timestamp for access_time has double seconds granularity(There is no 10msIncrement field for access_time unlike create/modify_time). exfat's atimes are restricted to only 2s granularity so after we set an atime, round it down to the nearest 2s and set the sub-second component of the timestamp to 0. Signed-off-by: Eric Sandeen <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
2020-04-22exfat: properly set s_time_granEric Sandeen1-1/+1
The s_time_gran superblock field indicates the on-disk nanosecond granularity of timestamps, and for exfat that seems to be 10ms, so set s_time_gran to 10000000ns. Without this, in-memory timestamps change when they get re-read from disk. Signed-off-by: Eric Sandeen <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
2020-04-22exfat: remove 'bps' mount-optionTetsuhiro Kohada1-1/+0
remount fails because exfat_show_options() returns unsupported option 'bps'. > # mount -o ro,remount > exfat: Unknown parameter 'bps' To fix the problem, just remove 'bps' option from exfat_show_options(). Signed-off-by: Tetsuhiro Kohada <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
2020-04-22exfat: Unify access to the boot sectorTetsuhiro Kohada2-30/+16
Unify access to boot sector via 'sbi->pbr_bh'. This fixes vol_flags inconsistency at read failed in fs_set_vol_flags(), and buffer_head leak in __exfat_fill_super(). Signed-off-by: Tetsuhiro Kohada <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
2020-04-22exfat: add missing MODULE_ALIAS_FS()Thomas Backlund1-0/+1
This adds the necessary MODULE_ALIAS_FS() to exfat so the module gets automatically loaded when an exfat filesystem is mounted. Signed-off-by: Thomas Backlund <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
2020-04-22exfat: Fix discard supportPali Rohár1-2/+3
Discard support was always unconditionally disabled. Now it is disabled only in the case when blk_queue_discard() returns false. Signed-off-by: Pali Rohár <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
2020-04-22powerpc/mm: Fix CONFIG_PPC_KUAP_DEBUG on PPC32Christophe Leroy2-2/+2
CONFIG_PPC_KUAP_DEBUG is not selectable because it depends on PPC_32 which doesn't exists. Fixing it leads to a deadlock due to a vital register getting clobbered in _switch(). Change dependency to PPC32 and use r0 instead of r4 in _switch() Fixes: e2fb9f544431 ("powerpc/32: Prepare for Kernel Userspace Access Protection") Cc: [email protected] # v5.2+ Signed-off-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/540242f7d4573f7cdf1b3bf46bb35f743b2cd68f.1587124651.git.christophe.leroy@c-s.fr
2020-04-22powerpc/8xx: Fix STRICT_KERNEL_RWX startup test failureChristophe Leroy1-0/+3
WRITE_RO lkdtm test works. But when selecting CONFIG_DEBUG_RODATA_TEST, the kernel reports rodata_test: test data was not read only This is because when rodata test runs, there are still old entries in TLB. Flush TLB after setting kernel pages RO or NX. Fixes: d5f17ee96447 ("powerpc/8xx: don't disable large TLBs with CONFIG_STRICT_KERNEL_RWX") Cc: [email protected] # v5.1+ Signed-off-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/485caac75f195f18c11eb077b0031fdd2bb7fb9e.1587361039.git.christophe.leroy@c-s.fr
2020-04-22pnp: Use list_for_each_entry() instead of open codingJason Gunthorpe1-20/+9
Aside from good practice, this avoids a warning from gcc 10: ./include/linux/kernel.h:997:3: warning: array subscript -31 is outside array bounds of ‘struct list_head[1]’ [-Warray-bounds] 997 | ((type *)(__mptr - offsetof(type, member))); }) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./include/linux/list.h:493:2: note: in expansion of macro ‘container_of’ 493 | container_of(ptr, type, member) | ^~~~~~~~~~~~ ./include/linux/pnp.h:275:30: note: in expansion of macro ‘list_entry’ 275 | #define global_to_pnp_dev(n) list_entry(n, struct pnp_dev, global_list) | ^~~~~~~~~~ ./include/linux/pnp.h:281:11: note: in expansion of macro ‘global_to_pnp_dev’ 281 | (dev) != global_to_pnp_dev(&pnp_global); \ | ^~~~~~~~~~~~~~~~~ arch/x86/kernel/rtc.c:189:2: note: in expansion of macro ‘pnp_for_each_dev’ 189 | pnp_for_each_dev(dev) { Because the common code doesn't cast the starting list_head to the containing struct. Signed-off-by: Jason Gunthorpe <[email protected]> [ rjw: Whitespace adjustments ] Signed-off-by: Rafael J. Wysocki <[email protected]>
2020-04-21cifs: minor update to comments around the cifs_tcp_ses_lock mutexSteve French1-1/+2
Update comment to note that it protects server->dstaddr Signed-off-by: Steve French <[email protected]>
2020-04-21net: stmmac: Enable SERDES power up/down sequenceVoon Weifeng4-0/+237
This patch is to enable Intel SERDES power up/down sequence. The SERDES converts 8/10 bits data to SGMII signal. Below is an example of HW configuration for SGMII mode. The SERDES is located in the PHY IF in the diagram below. <-----------------GBE Controller---------->|<--External PHY chip--> +----------+ +----+ +---+ +----------+ | EQoS | <-GMII->| DW | < ------ > |PHY| <-SGMII-> | External | | MAC | |xPCS| |IF | | PHY | +----------+ +----+ +---+ +----------+ ^ ^ ^ ^ | | | | +---------------------MDIO-------------------------+ PHY IF configuration and status registers are accessible through mdio address 0x15 which is defined as mdio_adhoc_addr. During D0, The driver will need to power up PHY IF by changing the power state to P0. Likewise, for D3, the driver sets PHY IF power state to P3. Signed-off-by: Voon Weifeng <[email protected]> Signed-off-by: Ong Boon Leong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21net: broadcom: convert to devm_platform_ioremap_resource_byname()Dejin Zheng1-22/+11
Use the function devm_platform_ioremap_resource_byname() to simplify source code which calls the functions platform_get_resource_byname() and devm_ioremap_resource(). Remove also a few error messages which became unnecessary with this software refactoring. Suggested-by: Markus Elfring <[email protected]> Signed-off-by: Dejin Zheng <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21macvlan: fix null dereference in macvlan_device_event()Taehee Yoo1-1/+1
In the macvlan_device_event(), the list_first_entry_or_null() is used. This function could return null pointer if there is no node. But, the macvlan module doesn't check the null pointer. So, null-ptr-deref would occur. bond0 | +----+-----+ | | macvlan0 macvlan1 | | dummy0 dummy1 The problem scenario. If dummy1 is removed, 1. ->dellink() of dummy1 is called. 2. NETDEV_UNREGISTER of dummy1 notification is sent to macvlan module. 3. ->dellink() of macvlan1 is called. 4. NETDEV_UNREGISTER of macvlan1 notification is sent to bond module. 5. __bond_release_one() is called and it internally calls dev_set_mac_address(). 6. dev_set_mac_address() calls the ->ndo_set_mac_address() of macvlan1, which is macvlan_set_mac_address(). 7. macvlan_set_mac_address() calls the dev_set_mac_address() with dummy1. 8. NETDEV_CHANGEADDR of dummy1 is sent to macvlan module. 9. In the macvlan_device_event(), it calls list_first_entry_or_null(). At this point, dummy1 and macvlan1 were removed. So, list_first_entry_or_null() will return NULL. Test commands: ip netns add nst ip netns exec nst ip link add bond0 type bond for i in {0..10} do ip netns exec nst ip link add dummy$i type dummy ip netns exec nst ip link add macvlan$i link dummy$i \ type macvlan mode passthru ip netns exec nst ip link set macvlan$i master bond0 done ip netns del nst Splat looks like: [ 40.585687][ T146] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP DEI [ 40.587249][ T146] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 40.588342][ T146] CPU: 1 PID: 146 Comm: kworker/u8:2 Not tainted 5.7.0-rc1+ #532 [ 40.589299][ T146] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 40.590469][ T146] Workqueue: netns cleanup_net [ 40.591045][ T146] RIP: 0010:macvlan_device_event+0x4e2/0x900 [macvlan] [ 40.591905][ T146] Code: 00 00 00 00 00 fc ff df 80 3c 06 00 0f 85 45 02 00 00 48 89 da 48 b8 00 00 00 00 00 fc ff d2 [ 40.594126][ T146] RSP: 0018:ffff88806116f4a0 EFLAGS: 00010246 [ 40.594783][ T146] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.595653][ T146] RDX: 0000000000000000 RSI: ffff88806547ddd8 RDI: ffff8880540f1360 [ 40.596495][ T146] RBP: ffff88804011a808 R08: fffffbfff4fb8421 R09: fffffbfff4fb8421 [ 40.597377][ T146] R10: ffffffffa7dc2107 R11: 0000000000000000 R12: 0000000000000008 [ 40.598186][ T146] R13: ffff88804011a000 R14: ffff8880540f1000 R15: 1ffff1100c22de9a [ 40.599012][ T146] FS: 0000000000000000(0000) GS:ffff888067800000(0000) knlGS:0000000000000000 [ 40.600004][ T146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.600665][ T146] CR2: 00005572d3a807b8 CR3: 000000005fcf4003 CR4: 00000000000606e0 [ 40.601485][ T146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.602461][ T146] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.603443][ T146] Call Trace: [ 40.603871][ T146] ? nf_tables_dump_setelem+0xa0/0xa0 [nf_tables] [ 40.604587][ T146] ? macvlan_uninit+0x100/0x100 [macvlan] [ 40.605212][ T146] ? __module_text_address+0x13/0x140 [ 40.605842][ T146] notifier_call_chain+0x90/0x160 [ 40.606477][ T146] dev_set_mac_address+0x28e/0x3f0 [ 40.607117][ T146] ? netdev_notify_peers+0xc0/0xc0 [ 40.607762][ T146] ? __module_text_address+0x13/0x140 [ 40.608440][ T146] ? notifier_call_chain+0x90/0x160 [ 40.609097][ T146] ? dev_set_mac_address+0x1f0/0x3f0 [ 40.609758][ T146] dev_set_mac_address+0x1f0/0x3f0 [ 40.610402][ T146] ? __local_bh_enable_ip+0xe9/0x1b0 [ 40.611071][ T146] ? bond_hw_addr_flush+0x77/0x100 [bonding] [ 40.611823][ T146] ? netdev_notify_peers+0xc0/0xc0 [ 40.612461][ T146] ? bond_hw_addr_flush+0x77/0x100 [bonding] [ 40.613213][ T146] ? bond_hw_addr_flush+0x77/0x100 [bonding] [ 40.613963][ T146] ? __local_bh_enable_ip+0xe9/0x1b0 [ 40.614631][ T146] ? bond_time_in_interval.isra.31+0x90/0x90 [bonding] [ 40.615484][ T146] ? __bond_release_one+0x9f0/0x12c0 [bonding] [ 40.616230][ T146] __bond_release_one+0x9f0/0x12c0 [bonding] [ 40.616949][ T146] ? bond_enslave+0x47c0/0x47c0 [bonding] [ 40.617642][ T146] ? lock_downgrade+0x730/0x730 [ 40.618218][ T146] ? check_flags.part.42+0x450/0x450 [ 40.618850][ T146] ? __mutex_unlock_slowpath+0xd0/0x670 [ 40.619519][ T146] ? trace_hardirqs_on+0x30/0x180 [ 40.620117][ T146] ? wait_for_completion+0x250/0x250 [ 40.620754][ T146] bond_netdev_event+0x822/0x970 [bonding] [ 40.621460][ T146] ? __module_text_address+0x13/0x140 [ 40.622097][ T146] notifier_call_chain+0x90/0x160 [ 40.622806][ T146] rollback_registered_many+0x660/0xcf0 [ 40.623522][ T146] ? netif_set_real_num_tx_queues+0x780/0x780 [ 40.624290][ T146] ? notifier_call_chain+0x90/0x160 [ 40.624957][ T146] ? netdev_upper_dev_unlink+0x114/0x180 [ 40.625686][ T146] ? __netdev_adjacent_dev_unlink_neighbour+0x30/0x30 [ 40.626421][ T146] ? mutex_is_locked+0x13/0x50 [ 40.627016][ T146] ? unregister_netdevice_queue+0xf2/0x240 [ 40.627663][ T146] unregister_netdevice_many.part.134+0x13/0x1b0 [ 40.628362][ T146] default_device_exit_batch+0x2d9/0x390 [ 40.628987][ T146] ? unregister_netdevice_many+0x40/0x40 [ 40.629615][ T146] ? dev_change_net_namespace+0xcb0/0xcb0 [ 40.630279][ T146] ? prepare_to_wait_exclusive+0x2e0/0x2e0 [ 40.630943][ T146] ? ops_exit_list.isra.9+0x97/0x140 [ 40.631554][ T146] cleanup_net+0x441/0x890 [ ... ] Fixes: e289fd28176b ("macvlan: fix the problem when mac address changes for passthru mode") Reported-by: [email protected] Signed-off-by: Taehee Yoo <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21e1000: remove unneeded conversion to boolJason Yan1-1/+1
The '==' expression itself is bool, no need to convert it to bool again. This fixes the following coccicheck warning: drivers/net/ethernet/intel/e1000/e1000_main.c:1479:44-49: WARNING: conversion to bool not needed here Signed-off-by: Jason Yan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21i40e: Remove unneeded conversion to boolJason Yan1-2/+2
The '==' expression itself is bool, no need to convert it to bool again. This fixes the following coccicheck warning: drivers/net/ethernet/intel/i40e/i40e_main.c:1614:52-57: WARNING: conversion to bool not needed here drivers/net/ethernet/intel/i40e/i40e_main.c:11439:52-57: WARNING: conversion to bool not needed here Signed-off-by: Jason Yan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21ptp: Remove unneeded conversion to boolJason Yan1-2/+2
The '==' expression itself is bool, no need to convert it to bool again. This fixes the following coccicheck warning: drivers/ptp/ptp_ines.c:403:55-60: WARNING: conversion to bool not needed here drivers/ptp/ptp_ines.c:404:55-60: WARNING: conversion to bool not needed here Signed-off-by: Jason Yan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21cgroup, netclassid: remove double cond_reschedJiri Slaby1-3/+1
Commit 018d26fcd12a ("cgroup, netclassid: periodically release file_lock on classid") added a second cond_resched to write_classid indirectly by update_classid_task. Remove the one in write_classid. Signed-off-by: Jiri Slaby <[email protected]> Cc: Dmitry Yakunin <[email protected]> Cc: Konstantin Khlebnikov <[email protected]> Cc: David S. Miller <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-04-21Merge branch 'akpm' (patches from Andrew)Linus Torvalds16-27/+70
Merge misc fixes from Andrew Morton: "15 fixes" * emailed patches from Andrew Morton <[email protected]>: tools/vm: fix cross-compile build coredump: fix null pointer dereference on coredump mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy path shmem: fix possible deadlocks on shmlock_user_lock vmalloc: fix remap_vmalloc_range() bounds checks mm/shmem: fix build without THP mm/ksm: fix NULL pointer dereference when KSM zero page is enabled tools/build: tweak unused value workaround checkpatch: fix a typo in the regex for $allocFunctions mm, gup: return EINTR when gup is interrupted by fatal signals mm/hugetlb: fix a addressing exception caused by huge_pte_offset MAINTAINERS: add an entry for kfifo mm/userfaultfd: disable userfaultfd-wp on x86_32 slub: avoid redzone when choosing freepointer location sh: fix build error in mm/init.c
2020-04-21Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds14-47/+74
Pull kvm fixes from Paolo Bonzini: "Bugfixes, and a few cleanups to the newly-introduced assembly language vmentry code for AMD" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: PPC: Book3S HV: Handle non-present PTEs in page fault functions kvm: Disable objtool frame pointer checking for vmenter.S MAINTAINERS: add a reviewer for KVM/s390 KVM: s390: Fix PV check in deliverable_irqs() kvm: Handle reads of SandyBridge RAPL PMU MSRs rather than injecting #GP KVM: Remove CREATE_IRQCHIP/SET_PIT2 race KVM: SVM: Fix __svm_vcpu_run declaration. KVM: SVM: Do not setup frame pointer in __svm_vcpu_run KVM: SVM: Fix build error due to missing release_pages() include KVM: SVM: Do not mark svm_vcpu_run with STACK_FRAME_NON_STANDARD kvm: nVMX: match comment with return type for nested_vmx_exit_reflected kvm: nVMX: reflect MTF VM-exits if injected by L1 KVM: s390: Return last valid slot if approx index is out-of-bounds KVM: Check validity of resolved slot when searching memslots KVM: VMX: Enable machine check support for 32bit targets KVM: SVM: move more vmentry code to assembly KVM: SVM: fix compilation with modular PSP and non-modular KVM
2020-04-21Merge tag 'asoc-fix-v5.7-rc2' of ↵Takashi Iwai32-263/+509
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v5.7 Quite a lot of fixes here, a lot of driver specific ones but the biggest one is the revert of changes to the startup and shutdown sequence for DAIs that went in during the merge window - they broke some older x86 platforms and attempts to fix them didn't succeed so it's safer to just roll them back and try to make sure those platforms are handled properly in any future attempt. The rockchip S/PDIF DT stuff was IIRC for validation issues.
2020-04-21ALSA: usb-audio: Apply async workaround for Scarlett 2i4 2nd genAlexander Tsoy1-0/+1
Due to rounding error driver sometimes incorrectly calculate next packet size, which results in audible clicks on devices with synchronous playback endpoints. For example on a high speed bus and a sample rate 44.1 kHz it loses one sample every ~40.9 seconds. Fortunately playback interface on Scarlett 2i4 2nd gen has a working explicit feedback endpoint, so we can switch playback data endpoint to asynchronous mode as a workaround. Signed-off-by: Alexander Tsoy <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
2020-04-21Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds33-75/+128
Pull virtio fixes and cleanups from Michael Tsirkin: - Some bug fixes - Cleanup a couple of issues that surfaced meanwhile - Disable vhost on ARM with OABI for now - to be fixed fully later in the cycle or in the next release. * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (24 commits) vhost: disable for OABI virtio: drop vringh.h dependency virtio_blk: add a missing include virtio-balloon: Avoid using the word 'report' when referring to free page hinting virtio-balloon: make virtballoon_free_page_report() static vdpa: fix comment of vdpa_register_device() vdpa: make vhost, virtio depend on menu vdpa: allow a 32 bit vq alignment drm/virtio: fix up for include file changes remoteproc: pull in slab.h rpmsg: pull in slab.h virtio_input: pull in slab.h remoteproc: pull in slab.h virtio-rng: pull in slab.h virtgpu: pull in uaccess.h tools/virtio: make asm/barrier.h self contained tools/virtio: define aligned attribute virtio/test: fix up after IOTLB changes vhost: Create accessors for virtqueues private_data vdpasim: Return status in vdpasim_get_status ...
2020-04-21Merge tag 'tpmdd-next-20200421' of git://git.infradead.org/users/jjs/linux-tpmddLinus Torvalds4-65/+82
Pull tpm fixes from Jarkko Sakkinen: "A few bug fixes" * tag 'tpmdd-next-20200421' of git://git.infradead.org/users/jjs/linux-tpmdd: tpm/tpm_tis: Free IRQ if probing fails tpm: fix wrong return value in tpm_pcr_extend tpm: ibmvtpm: retry on H_CLOSED in tpm_ibmvtpm_send() tpm: Export tpm2_get_cc_attrs_tbl for ibmvtpm driver as module
2020-04-21Merge tag 'clang-format-for-linus-v5.7-rc3' of git://github.com/ojeda/linuxLinus Torvalds1-4/+14
Pull clang-format fixlets from Miguel Ojeda: "Two trivial clang-format changes: - Don't indent C++ namespaces (Ian Rogers) - The usual clang-format macro list update (Miguel Ojeda)" * tag 'clang-format-for-linus-v5.7-rc3' of git://github.com/ojeda/linux: clang-format: Update with the latest for_each macro list clang-format: don't indent namespaces
2020-04-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller2-4/+6
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: 1) flow_block_cb memleak in nf_flow_table_offload_del_cb(), from Roi Dayan. 2) Fix error path handling in nf_nat_inet_register_fn(), from Hillf Danton. ==================== Signed-off-by: David S. Miller <[email protected]>
2020-04-21spi: bcm-qspi: MSPI_SPCR0_MSB MSTR bit exists only on legacy controllersKamal Dasu1-1/+7
Set MASTER bit on the MSPI_SPCR0_MSB only for legacy MSPI and HIF_MSPI controllers. Fixes: fa236a7ef240 ("spi: bcm-qspi: Add Broadcom MSPI driver") Signed-off-by: Kamal Dasu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-21spi: Add support for mspi on brcmstb SoCsKamal Dasu1-0/+10
Added documentation for compatibility for brcmstb SoCs : 7425, 7429, 7435, 7216, 7278 Signed-off-by: Kamal Dasu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-21spi: bcm-qspi: add support for MSPI sys clk 108MhzKamal Dasu1-0/+44
Adding support for MSPI sys clk 108Mhz available on 7216 and 7278 BRCMSTB SoCs. Signed-off-by: Kamal Dasu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-21spi: bcm-qspi: Use fastbr setting to allow faster MSPI speedsKamal Dasu1-3/+33
Setting MSPI_SPCR3.fastbr=1 allows using clock divider (SPBR) values of 1-7, while the default value prohibits these values and requires a minimum clock divider value of 8. Signed-off-by: Kamal Dasu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-21spi: bcm-qspi: Handle lack of MSPI_REV offsetFlorian Fainelli1-2/+48
Older MIPS chips have a QSPI/MSPI controller that does not have the MSPI_REV offset, reading from that offset will cause a bus error. Match their compatible string and do not perform a read from that register in that case. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Kamal Dasu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-21spi: orion: Convert to use GPIO descriptorsLinus Walleij1-54/+16
This converts the Orion SPI master to use GPIO descriptors. The SPI core will obtain and manage the CS GPIOs, if any are defined. I make one sematic change: when a certain chip select is using a GPIO line instead of the native CS I simply just enable the 1:1 mapped native CS that would have been used if the GPIO was not there. As we set the SPI_MASTER_GPIO_SS the .set_cs() callback will be called for all chip selects whether native or not, and the important thing for the driver is that the previous native chip select (if any) is deasserted, which other chip select is asserted instead does not really matter. The previous code went to great lengths to ascertain that the first hw CS which was hiding behind a GPIO line was used for all cases when the line is not using native chip select but this should not matter at all, just use the one "underneath" the GPIO at all times. When a GPIO is used for CS, the SPI_CS_HIGH flag is enforced, so the native chip select is also inverted. But that should not matter since we are not using it anyways. Signed-off-by: Linus Walleij <[email protected]> Cc: Gregory CLEMENT <[email protected]> Cc: Tomas Paukrt <[email protected]> Cc: Jan Kundrát <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
2020-04-21tools/vm: fix cross-compile buildLucas Stach1-0/+2
Commit 7ed1c1901fe5 ("tools: fix cross-compile var clobbering") moved the setup of the CC variable to tools/scripts/Makefile.include to make the behavior consistent across all the tools Makefiles. As the vm tools missed the include we end up with the wrong CC in a cross-compiling evironment. Fixes: 7ed1c1901fe5 (tools: fix cross-compile var clobbering) Signed-off-by: Lucas Stach <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Cc: Martin Kelly <[email protected]> Cc: <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21coredump: fix null pointer dereference on coredumpSudip Mukherjee1-0/+2
If the core_pattern is set to "|" and any process segfaults then we get a null pointer derefernce while trying to coredump. The call stack shows: RIP: do_coredump+0x628/0x11c0 When the core_pattern has only "|" there is no use of trying the coredump and we can check that while formating the corename and exit with an error. After this change I get: format_corename failed Aborting core Fixes: 315c69261dd3 ("coredump: split pipe command whitespace before expanding template") Reported-by: Matthew Ruffell <[email protected]> Signed-off-by: Sudip Mukherjee <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Cc: Paul Wise <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Neil Horman <[email protected]> Cc: <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy pathYang Shi1-2/+2
Syzbot reported the below lockdep splat: WARNING: possible irq lock inversion dependency detected 5.6.0-rc7-syzkaller #0 Not tainted -------------------------------------------------------- syz-executor.0/10317 just changed the state of lock: ffff888021d16568 (&(&info->lock)->rlock){+.+.}, at: spin_lock include/linux/spinlock.h:338 [inline] ffff888021d16568 (&(&info->lock)->rlock){+.+.}, at: shmem_mfill_atomic_pte+0x1012/0x21c0 mm/shmem.c:2407 but this lock was taken by another, SOFTIRQ-safe lock in the past: (&(&xa->xa_lock)->rlock#5){..-.} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&info->lock)->rlock); local_irq_disable(); lock(&(&xa->xa_lock)->rlock#5); lock(&(&info->lock)->rlock); <Interrupt> lock(&(&xa->xa_lock)->rlock#5); *** DEADLOCK *** The full report is quite lengthy, please see: https://lore.kernel.org/linux-mm/[email protected]/T/#m813b412c5f78e25ca8c6c7734886ed4de43f241d It is because CPU 0 held info->lock with IRQ enabled in userfaultfd_copy path, then CPU 1 is splitting a THP which held xa_lock and info->lock in IRQ disabled context at the same time. If softirq comes in to acquire xa_lock, the deadlock would be triggered. The fix is to acquire/release info->lock with *_irq version instead of plain spin_{lock,unlock} to make it softirq safe. Fixes: 4c27fe4c4c84 ("userfaultfd: shmem: add shmem_mcopy_atomic_pte for userfaultfd support") Reported-by: [email protected] Signed-off-by: Yang Shi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Tested-by: [email protected] Acked-by: Hugh Dickins <[email protected]> Cc: Andrea Arcangeli <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21shmem: fix possible deadlocks on shmlock_user_lockHugh Dickins1-2/+5
Recent commit 71725ed10c40 ("mm: huge tmpfs: try to split_huge_page() when punching hole") has allowed syzkaller to probe deeper, uncovering a long-standing lockdep issue between the irq-unsafe shmlock_user_lock, the irq-safe xa_lock on mapping->i_pages, and shmem inode's info->lock which nests inside xa_lock (or tree_lock) since 4.8's shmem_uncharge(). user_shm_lock(), servicing SysV shmctl(SHM_LOCK), wants shmlock_user_lock while its caller shmem_lock() holds info->lock with interrupts disabled; but hugetlbfs_file_setup() calls user_shm_lock() with interrupts enabled, and might be interrupted by a writeback endio wanting xa_lock on i_pages. This may not risk an actual deadlock, since shmem inodes do not take part in writeback accounting, but there are several easy ways to avoid it. Requiring interrupts disabled for shmlock_user_lock would be easy, but it's a high-level global lock for which that seems inappropriate. Instead, recall that the use of info->lock to guard info->flags in shmem_lock() dates from pre-3.1 days, when races with SHMEM_PAGEIN and SHMEM_TRUNCATE could occur: nowadays it serves no purpose, the only flag added or removed is VM_LOCKED itself, and calls to shmem_lock() an inode are already serialized by the caller. Take info->lock out of the chain and the possibility of deadlock or lockdep warning goes away. Fixes: 4595ef88d136 ("shmem: make shmem_inode_info::lock irq-safe") Reported-by: [email protected] Reported-by: [email protected] Signed-off-by: Hugh Dickins <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Acked-by: Yang Shi <[email protected]> Cc: Yang Shi <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Link: https://lore.kernel.org/lkml/[email protected]/ Link: https://lore.kernel.org/lkml/[email protected]/ Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21vmalloc: fix remap_vmalloc_range() bounds checksJann Horn4-7/+18
remap_vmalloc_range() has had various issues with the bounds checks it promises to perform ("This function checks that addr is a valid vmalloc'ed area, and that it is big enough to cover the vma") over time, e.g.: - not detecting pgoff<<PAGE_SHIFT overflow - not detecting (pgoff<<PAGE_SHIFT)+usize overflow - not checking whether addr and addr+(pgoff<<PAGE_SHIFT) are the same vmalloc allocation - comparing a potentially wildly out-of-bounds pointer with the end of the vmalloc region In particular, since commit fc9702273e2e ("bpf: Add mmap() support for BPF_MAP_TYPE_ARRAY"), unprivileged users can cause kernel null pointer dereferences by calling mmap() on a BPF map with a size that is bigger than the distance from the start of the BPF map to the end of the address space. This could theoretically be used as a kernel ASLR bypass, by using whether mmap() with a given offset oopses or returns an error code to perform a binary search over the possible address range. To allow remap_vmalloc_range_partial() to verify that addr and addr+(pgoff<<PAGE_SHIFT) are in the same vmalloc region, pass the offset to remap_vmalloc_range_partial() instead of adding it to the pointer in remap_vmalloc_range(). In remap_vmalloc_range_partial(), fix the check against get_vm_area_size() by using size comparisons instead of pointer comparisons, and add checks for pgoff. Fixes: 833423143c3a ("[PATCH] mm: introduce remap_vmalloc_range()") Signed-off-by: Jann Horn <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Cc: [email protected] Cc: Alexei Starovoitov <[email protected]> Cc: Daniel Borkmann <[email protected]> Cc: Martin KaFai Lau <[email protected]> Cc: Song Liu <[email protected]> Cc: Yonghong Song <[email protected]> Cc: Andrii Nakryiko <[email protected]> Cc: John Fastabend <[email protected]> Cc: KP Singh <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21mm/shmem: fix build without THPHugh Dickins1-1/+1
Some optimizers don't notice that shmem_punch_compound() is always true (PageTransCompound() being false) without CONFIG_TRANSPARENT_HUGEPAGE==y. Use IS_ENABLED to help them to avoid the BUILD_BUG inside HPAGE_PMD_NR. Fixes: 71725ed10c40 ("mm: huge tmpfs: try to split_huge_page() when punching hole") Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Hugh Dickins <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Tested-by: Randy Dunlap <[email protected]> Acked-by: Randy Dunlap <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21mm/ksm: fix NULL pointer dereference when KSM zero page is enabledMuchun Song1-2/+10
find_mergeable_vma() can return NULL. In this case, it leads to a crash when we access vm_mm(its offset is 0x40) later in write_protect_page. And this case did happen on our server. The following call trace is captured in kernel 4.19 with the following patch applied and KSM zero page enabled on our server. commit e86c59b1b12d ("mm/ksm: improve deduplication of zero pages with colouring") So add a vma check to fix it. BUG: unable to handle kernel NULL pointer dereference at 0000000000000040 Oops: 0000 [#1] SMP NOPTI CPU: 9 PID: 510 Comm: ksmd Kdump: loaded Tainted: G OE 4.19.36.bsk.9-amd64 #4.19.36.bsk.9 RIP: try_to_merge_one_page+0xc7/0x760 Code: 24 58 65 48 33 34 25 28 00 00 00 89 e8 0f 85 a3 06 00 00 48 83 c4 60 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 8b 46 08 a8 01 75 b8 <49> 8b 44 24 40 4c 8d 7c 24 20 b9 07 00 00 00 4c 89 e6 4c 89 ff 48 RSP: 0018:ffffadbdd9fffdb0 EFLAGS: 00010246 RAX: ffffda83ffd4be08 RBX: ffffda83ffd4be40 RCX: 0000002c6e800000 RDX: 0000000000000000 RSI: ffffda83ffd4be40 RDI: 0000000000000000 RBP: ffffa11939f02ec0 R08: 0000000094e1a447 R09: 00000000abe76577 R10: 0000000000000962 R11: 0000000000004e6a R12: 0000000000000000 R13: ffffda83b1e06380 R14: ffffa18f31f072c0 R15: ffffda83ffd4be40 FS: 0000000000000000(0000) GS:ffffa0da43b80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000040 CR3: 0000002c77c0a003 CR4: 00000000007626e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ksm_scan_thread+0x115e/0x1960 kthread+0xf5/0x130 ret_from_fork+0x1f/0x30 [[email protected]: if the vma is out of date, just exit] Link: http://lkml.kernel.org/r/[email protected] [[email protected]: add the conventional braces, replace /** with /*] Fixes: e86c59b1b12d ("mm/ksm: improve deduplication of zero pages with colouring") Co-developed-by: Xiongchun Duan <[email protected]> Signed-off-by: Muchun Song <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Reviewed-by: Kirill Tkhai <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Yang Shi <[email protected]> Cc: Claudio Imbrenda <[email protected]> Cc: Markus Elfring <[email protected]> Cc: <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21tools/build: tweak unused value workaroundGeorge Burgess IV1-1/+1
Clang has -Wself-assign enabled by default under -Wall, which always gets -Werror'ed on this file, causing sync-compare-and-swap to be disabled by default. The generally-accepted way to spell "this value is intentionally unused," is casting it to `void`. This is accepted by both GCC and Clang with -Wall enabled: https://godbolt.org/z/qqZ9r3 Signed-off-by: George Burgess IV <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Cc: Nick Desaulniers <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21checkpatch: fix a typo in the regex for $allocFunctionsChristophe JAILLET1-1/+1
Here, we look for function such as 'netdev_alloc_skb_ip_align', so a '_' is missing in the regex. To make sure: grep -r --include=*.c skbip_a * | wc ==> 0 results grep -r --include=*.c skb_ip_a * | wc ==> 112 results Signed-off-by: Christophe JAILLET <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Acked-by: Joe Perches <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21mm, gup: return EINTR when gup is interrupted by fatal signalsMichal Hocko1-1/+1
EINTR is the usual error code which other killable interfaces return. This is the case for the other fatal_signal_pending break out from the same function. Make the code consistent. ERESTARTSYS is also quite confusing because the signal is fatal and so no restart will happen before returning to the userspace. Signed-off-by: Michal Hocko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Acked-by: Linus Torvalds <[email protected]> Cc: Peter Xu <[email protected]> Cc: Hillf Danton <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21mm/hugetlb: fix a addressing exception caused by huge_pte_offsetLongpeng1-6/+8
Our machine encountered a panic(addressing exception) after run for a long time and the calltrace is: RIP: hugetlb_fault+0x307/0xbe0 RSP: 0018:ffff9567fc27f808 EFLAGS: 00010286 RAX: e800c03ff1258d48 RBX: ffffd3bb003b69c0 RCX: e800c03ff1258d48 RDX: 17ff3fc00eda72b7 RSI: 00003ffffffff000 RDI: e800c03ff1258d48 RBP: ffff9567fc27f8c8 R08: e800c03ff1258d48 R09: 0000000000000080 R10: ffffaba0704c22a8 R11: 0000000000000001 R12: ffff95c87b4b60d8 R13: 00005fff00000000 R14: 0000000000000000 R15: ffff9567face8074 FS: 00007fe2d9ffb700(0000) GS:ffff956900e40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffd3bb003b69c0 CR3: 000000be67374000 CR4: 00000000003627e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: follow_hugetlb_page+0x175/0x540 __get_user_pages+0x2a0/0x7e0 __get_user_pages_unlocked+0x15d/0x210 __gfn_to_pfn_memslot+0x3c5/0x460 [kvm] try_async_pf+0x6e/0x2a0 [kvm] tdp_page_fault+0x151/0x2d0 [kvm] ... kvm_arch_vcpu_ioctl_run+0x330/0x490 [kvm] kvm_vcpu_ioctl+0x309/0x6d0 [kvm] do_vfs_ioctl+0x3f0/0x540 SyS_ioctl+0xa1/0xc0 system_call_fastpath+0x22/0x27 For 1G hugepages, huge_pte_offset() wants to return NULL or pudp, but it may return a wrong 'pmdp' if there is a race. Please look at the following code snippet: ... pud = pud_offset(p4d, addr); if (sz != PUD_SIZE && pud_none(*pud)) return NULL; /* hugepage or swap? */ if (pud_huge(*pud) || !pud_present(*pud)) return (pte_t *)pud; pmd = pmd_offset(pud, addr); if (sz != PMD_SIZE && pmd_none(*pmd)) return NULL; /* hugepage or swap? */ if (pmd_huge(*pmd) || !pmd_present(*pmd)) return (pte_t *)pmd; ... The following sequence would trigger this bug: - CPU0: sz = PUD_SIZE and *pud = 0 , continue - CPU0: "pud_huge(*pud)" is false - CPU1: calling hugetlb_no_page and set *pud to xxxx8e7(PRESENT) - CPU0: "!pud_present(*pud)" is false, continue - CPU0: pmd = pmd_offset(pud, addr) and maybe return a wrong pmdp However, we want CPU0 to return NULL or pudp in this case. We must make sure there is exactly one dereference of pud and pmd. Signed-off-by: Longpeng <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: Mike Kravetz <[email protected]> Reviewed-by: Jason Gunthorpe <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Sean Christopherson <[email protected]> Cc: <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21MAINTAINERS: add an entry for kfifoBartosz Golaszewski1-0/+7
Kfifo has been written by Stefani Seibold and she's implicitly expected to Ack any changes to it. She's not however officially listed as kfifo maintainer which leads to delays in patch review. This patch proposes to add an explitic entry for kfifo to MAINTAINERS file. [[email protected]: alphasort F: entries, per Joe] [[email protected]: remove colon, per Bartosz] Link: http://lkml.kernel.org/r/[email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Bartosz Golaszewski <[email protected]> Acked-by: Stefani Seibold <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Linus Walleij <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Joe Perches <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21mm/userfaultfd: disable userfaultfd-wp on x86_32Peter Xu1-1/+1
Userfaultfd-wp is not yet working on 32bit hosts, but it's accidentally enabled previously. Disable it. Fixes: 5a281062af1d ("userfaultfd: wp: add WP pagetable tracking to x86") Reported-by: Naresh Kamboju <[email protected]> Reported-by: kernel test robot <[email protected]> Signed-off-by: Peter Xu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Tested-by: Naresh Kamboju <[email protected]> Reviewed-by: Andrea Arcangeli <[email protected]> Cc: Hillf Danton <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21slub: avoid redzone when choosing freepointer locationKees Cook1-2/+10
Marco Elver reported system crashes when booting with "slub_debug=Z". The freepointer location (s->offset) was not taking into account that the "inuse" size that includes the redzone area should not be used by the freelist pointer. Change the calculation to save the area of the object that an inline freepointer may be written into. Fixes: 3202fa62fb43 ("slub: relocate freelist pointer to middle of object") Reported-by: Marco Elver <[email protected]> Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Tested-by: Marco Elver <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: David Rientjes <[email protected]> Cc: Joonsoo Kim <[email protected]> Link: http://lkml.kernel.org/r/202004151054.BD695840@keescook Link: https://lore.kernel.org/linux-mm/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21sh: fix build error in mm/init.cMasahiro Yamada1-1/+1
The closing parenthesis is missing. Fixes: bfeb022f8fe4 ("mm/memory_hotplug: add pgprot_t to mhp_params") Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Logan Gunthorpe <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Guenter Roeck <[email protected]> Cc: Yoshinori Sato <[email protected]> Cc: Rich Felker <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
2020-04-21block: remove unused headerMa, Jianpeng1-1/+0
Dax related code already removed from this file. Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Jianpeng Ma <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
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