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Groups > linux.kernel > #1644374

[PATCH 4.11 110/114] libnvdimm: fix nvdimm_bus_lock() vs device_lock() ordering

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.11 110/114] libnvdimm: fix nvdimm_bus_lock() vs device_lock() ordering
Date 2017-05-18 14:00 +0200
Message-ID <tIsg4-200-65@gated-at.bofh.it> (permalink)
References <tIrai-18m-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Williams <dan.j.williams@intel.com>

commit 452bae0aede774f87bf56c28b6dd50b72c78986c upstream.

A debug patch to turn the standard device_lock() into something that
lockdep can analyze yielded the following:

 ======================================================
 [ INFO: possible circular locking dependency detected ]
 4.11.0-rc4+ #106 Tainted: G           O
 -------------------------------------------------------
 lt-libndctl/1898 is trying to acquire lock:
  (&dev->nvdimm_mutex/3){+.+.+.}, at: [<ffffffffc023c948>] nd_attach_ndns+0x178/0x1b0 [libnvdimm]

 but task is already holding lock:
  (&nvdimm_bus->reconfig_mutex){+.+.+.}, at: [<ffffffffc022e0b1>] nvdimm_bus_lock+0x21/0x30 [libnvdimm]

 which lock already depends on the new lock.

 the existing dependency chain (in reverse order) is:

 -> #1 (&nvdimm_bus->reconfig_mutex){+.+.+.}:
        lock_acquire+0xf6/0x1f0
        __mutex_lock+0x88/0x980
        mutex_lock_nested+0x1b/0x20
        nvdimm_bus_lock+0x21/0x30 [libnvdimm]
        nvdimm_namespace_capacity+0x1b/0x40 [libnvdimm]
        nvdimm_namespace_common_probe+0x230/0x510 [libnvdimm]
        nd_pmem_probe+0x14/0x180 [nd_pmem]
        nvdimm_bus_probe+0xa9/0x260 [libnvdimm]

 -> #0 (&dev->nvdimm_mutex/3){+.+.+.}:
        __lock_acquire+0x1107/0x1280
        lock_acquire+0xf6/0x1f0
        __mutex_lock+0x88/0x980
        mutex_lock_nested+0x1b/0x20
        nd_attach_ndns+0x178/0x1b0 [libnvdimm]
        nd_namespace_store+0x308/0x3c0 [libnvdimm]
        namespace_store+0x87/0x220 [libnvdimm]

In this case '&dev->nvdimm_mutex/3' mirrors '&dev->mutex'.

Fix this by replacing the use of device_lock() with nvdimm_bus_lock() to protect
nd_{attach,detach}_ndns() operations.

Fixes: 8c2f7e8658df ("libnvdimm: infrastructure for btt devices")
Reported-by: Yi Zhang <yizhan@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/nvdimm/btt_devs.c |    2 +-
 drivers/nvdimm/claim.c    |   23 +++++++++++++++--------
 drivers/nvdimm/dax_devs.c |    2 +-
 drivers/nvdimm/pfn_devs.c |    2 +-
 4 files changed, 18 insertions(+), 11 deletions(-)

--- a/drivers/nvdimm/btt_devs.c
+++ b/drivers/nvdimm/btt_devs.c
@@ -314,7 +314,7 @@ int nd_btt_probe(struct device *dev, str
 	if (rc < 0) {
 		struct nd_btt *nd_btt = to_nd_btt(btt_dev);
 
-		__nd_detach_ndns(btt_dev, &nd_btt->ndns);
+		nd_detach_ndns(btt_dev, &nd_btt->ndns);
 		put_device(btt_dev);
 	}
 
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -21,8 +21,13 @@
 void __nd_detach_ndns(struct device *dev, struct nd_namespace_common **_ndns)
 {
 	struct nd_namespace_common *ndns = *_ndns;
+	struct nvdimm_bus *nvdimm_bus;
 
-	lockdep_assert_held(&ndns->dev.mutex);
+	if (!ndns)
+		return;
+
+	nvdimm_bus = walk_to_nvdimm_bus(&ndns->dev);
+	lockdep_assert_held(&nvdimm_bus->reconfig_mutex);
 	dev_WARN_ONCE(dev, ndns->claim != dev, "%s: invalid claim\n", __func__);
 	ndns->claim = NULL;
 	*_ndns = NULL;
@@ -37,18 +42,20 @@ void nd_detach_ndns(struct device *dev,
 	if (!ndns)
 		return;
 	get_device(&ndns->dev);
-	device_lock(&ndns->dev);
+	nvdimm_bus_lock(&ndns->dev);
 	__nd_detach_ndns(dev, _ndns);
-	device_unlock(&ndns->dev);
+	nvdimm_bus_unlock(&ndns->dev);
 	put_device(&ndns->dev);
 }
 
 bool __nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
 		struct nd_namespace_common **_ndns)
 {
+	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(&attach->dev);
+
 	if (attach->claim)
 		return false;
-	lockdep_assert_held(&attach->dev.mutex);
+	lockdep_assert_held(&nvdimm_bus->reconfig_mutex);
 	dev_WARN_ONCE(dev, *_ndns, "%s: invalid claim\n", __func__);
 	attach->claim = dev;
 	*_ndns = attach;
@@ -61,9 +68,9 @@ bool nd_attach_ndns(struct device *dev,
 {
 	bool claimed;
 
-	device_lock(&attach->dev);
+	nvdimm_bus_lock(&attach->dev);
 	claimed = __nd_attach_ndns(dev, attach, _ndns);
-	device_unlock(&attach->dev);
+	nvdimm_bus_unlock(&attach->dev);
 	return claimed;
 }
 
@@ -114,7 +121,7 @@ static void nd_detach_and_reset(struct d
 		struct nd_namespace_common **_ndns)
 {
 	/* detach the namespace and destroy / reset the device */
-	nd_detach_ndns(dev, _ndns);
+	__nd_detach_ndns(dev, _ndns);
 	if (is_idle(dev, *_ndns)) {
 		nd_device_unregister(dev, ND_ASYNC);
 	} else if (is_nd_btt(dev)) {
@@ -184,7 +191,7 @@ ssize_t nd_namespace_store(struct device
 	}
 
 	WARN_ON_ONCE(!is_nvdimm_bus_locked(dev));
-	if (!nd_attach_ndns(dev, ndns, _ndns)) {
+	if (!__nd_attach_ndns(dev, ndns, _ndns)) {
 		dev_dbg(dev, "%s already claimed\n",
 				dev_name(&ndns->dev));
 		len = -EBUSY;
--- a/drivers/nvdimm/dax_devs.c
+++ b/drivers/nvdimm/dax_devs.c
@@ -124,7 +124,7 @@ int nd_dax_probe(struct device *dev, str
 	dev_dbg(dev, "%s: dax: %s\n", __func__,
 			rc == 0 ? dev_name(dax_dev) : "<none>");
 	if (rc < 0) {
-		__nd_detach_ndns(dax_dev, &nd_pfn->ndns);
+		nd_detach_ndns(dax_dev, &nd_pfn->ndns);
 		put_device(dax_dev);
 	} else
 		__nd_device_register(dax_dev);
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -484,7 +484,7 @@ int nd_pfn_probe(struct device *dev, str
 	dev_dbg(dev, "%s: pfn: %s\n", __func__,
 			rc == 0 ? dev_name(pfn_dev) : "<none>");
 	if (rc < 0) {
-		__nd_detach_ndns(pfn_dev, &nd_pfn->ndns);
+		nd_detach_ndns(pfn_dev, &nd_pfn->ndns);
 		put_device(pfn_dev);
 	} else
 		__nd_device_register(pfn_dev);

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[PATCH 4.11 000/114] 4.11.2-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 056/114] ext4: evict inline data when writing to memory map Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 041/114] dm rq: check blk_mq_register_dev() return value in dm_mq_init_request_queue() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 082/114] dax: prevent invalidation of mapped DAX entries Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 087/114] Revert "f2fs: put allocate_segment after refresh_sit_entry" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 097/114] serial: samsung: Add missing checks for dma_map_single failure Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
    Re: [PATCH 4.11 097/114] serial: samsung: Add missing checks for  dma_map_single failure Krzysztof Kozlowski <krzk@kernel.org> - 2017-05-18 14:20 +0200
      Re: [PATCH 4.11 097/114] serial: samsung: Add missing checks for  dma_map_single failure Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:30 +0200
  [PATCH 4.11 034/114] crypto: algif_aead - Require setkey before accept(2) Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 112/114] pstore: Fix flags to enable dumps on powerpc Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 004/114] iscsi-target: Set session_fall_back_to_erl0 when forcing reinstatement Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 007/114] USB: serial: ftdi_sio: add device ID for Microsemi/Arrow SF2PLUS Dev Kit Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 102/114] Bluetooth: Fix user channel for 32bit userspace on 64bit kernel Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 047/114] IB/core: For multicast functions, verify that LIDs are multicast LIDs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 057/114] orangefs: fix bounds check for listxattr Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 039/114] dm crypt: rewrite (wipe) key in crypto layer using random data Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 046/114] IB/core: Fix kernel crash during fail to initialize device Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 079/114] md/raid1: avoid reusing a resync bio after error handling. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 052/114] perf auxtrace: Fix no_size logic in addr_filter__resolve_kernel_syms() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 077/114] ovl: do not set overlay.opaque on non-dir create Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 016/114] staging: comedi: jr3_pci: cope with jiffies wraparound Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 085/114] dax: fix PMD data corruption when fault races with write Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 021/114] usb: hub: Do not attempt to autosuspend disconnected devices Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 105/114] cgroup: fix spurious warnings on cgroup_is_dead() from cgroup_sk_alloc() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 023/114] x86/boot: Fix BSS corruption/overwrite bug in early x86 kernel startup Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 067/114] Fix match_prepath() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 055/114] jbd2: fix dbench4 performance regression for nobarrier mounts Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 060/114] orangefs: do not check possibly stale size on truncate Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 13:00 +0200
  [PATCH 4.11 064/114] fs/block_dev: always invalidate cleancache in invalidate_bdev() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 068/114] Do not return number of bytes written for ioctl CIFS_IOC_COPYCHUNK_FILE Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 080/114] device-dax: fix cdev leak Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 103/114] Bluetooth: hci_bcm: add missing tty-device sanity check Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 089/114] f2fs: fix multiple f2fs_add_link() having same name for inline dentry Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 084/114] ext4: return to starting transaction in ext4_dax_huge_fault() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 095/114] fscrypt: avoid collisions when presenting long encrypted filenames Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 081/114] device-dax: fix sysfs attribute deadlock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 099/114] serial: omap: suspend device on probe errors Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 088/114] f2fs: fix fs corruption due to zero inode page Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 091/114] f2fs: Make flush bios explicitely sync Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 107/114] ipmi: Fix kernel panic at ipmi_ssif_thread() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 111/114] libnvdimm, pfn: fix npfns vs section alignment Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 086/114] f2fs: fix wrong max cost initialization Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 101/114] tty: pl011: use "qdf2400_e44" as the earlycon name for QDF2400 E44 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 108/114] libnvdimm, region: fix flush hint detection crash Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 114/114] pstore: Shut down worker when unregistering Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 094/114] fscrypt: fix context consistency check when key(s) unavailable Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 090/114] f2fs: check entire encrypted bigname when finding a dentry Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 069/114] Set unicode flag on cifs echo request to avoid Mac error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 073/114] cifs: fix CIFS_ENUMERATE_SNAPSHOTS oops Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 109/114] libnvdimm, pmem: fix a NULL pointer BUG in nd_pmem_notify Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 110/114] libnvdimm: fix nvdimm_bus_lock() vs device_lock() ordering Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 106/114] libata: reject passthrough WRITE SAME requests Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 100/114] tty: pty: Fix ldisc flush after userspace become aware of the data already Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 083/114] mm: fix data corruption due to stale mmap reads Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 098/114] serial: omap: fix runtime-pm handling on unbind Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 092/114] initramfs: Always do fput() and load modules after rootfs populate Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:00 +0200
  [PATCH 4.11 040/114] dm era: save spacemap metadata root after the pre-commit Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 058/114] orangefs: clean up oversize xattr validation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 033/114] crypto: s5p-sss - Close possible race for completed requests Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 054/114] perf annotate s390: Implement jump types for perf annotate Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 032/114] block: fix blk_integrity_register to use templates interval_exp if not 0 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 038/114] crypto: ccp - Change ISR handler method for a v5 CCP Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 050/114] IB/mlx4: Reduce SRIOV multicast cleanup warning message to debug level Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 078/114] padata: free correct variable Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 015/114] staging: comedi: jr3_pci: fix possible null pointer dereference Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 063/114] fs: fix data invalidation in the cleancache during direct IO Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 018/114] usb: gadget: legacy gadgets are optional Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 061/114] fs/xattr.c: zero out memory copied to userspace in getxattr Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 045/114] IB/core: Fix sysfs registration error flow Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 053/114] perf annotate s390: Fix perf annotate error -95 (4.10 regression) Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 066/114] mm: prevent potential recursive reclaim due to clearing PF_MEMALLOC Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 075/114] cifs: fix CIFS_IOC_GET_MNT_INFO oops Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 043/114] vfio/type1: Remove locked page accounting workqueue Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 065/114] mm: vmscan: fix IO/refault regression in cache workingset transition Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 051/114] IB/hfi1: Prevent kernel QP post send hard lockups Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 036/114] crypto: ccp - Disable interrupts early on unload Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 048/114] IB/IPoIB: ibX: failed to create mcg debug file Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 030/114] KVM: arm/arm64: fix races in kvm_psci_vcpu_on Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 070/114] SMB3: Work around mount failure when using SMB3 dialect to Macs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 035/114] crypto: ccp - Use only the relevant interrupt bits Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 042/114] dm thin: fix a memory leak when passing discard bio down Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 044/114] iov_iter: dont revert iov buffer if csum error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:10 +0200
  [PATCH 4.11 017/114] usb: misc: add missing continue in switch Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 005/114] usb: xhci: bInterval quirk for TI TUSB73x0 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 003/114] target/fileio: Fix zero-length READ and WRITE handling Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 002/114] target: Fix compare_and_write_callback handling for non GOOD status Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 006/114] usb: host: xhci: print correct command ring address Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 020/114] usb: hub: Fix error loop seen after hub communication errors Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 031/114] arm64: KVM: Fix decoding of Rt/Rt2 when trapping AArch32 CP accesses Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 008/114] USB: Proper handling of Race Condition when two USB class drivers try to call init_usb_class simultaneously Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 013/114] staging: wilc1000: Fix problem with wrong vif index Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 011/114] staging: vt6656: use off stack for out buffer USB transfers. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 025/114] x86, pmem: Fix cache flushing for iovec write < 8 bytes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 022/114] usb: misc: legousbtower: Fix buffers on stack Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 024/114] selftests/x86/ldt_gdt_32: Work around a glibc sigaction() bug Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 027/114] perf/x86: Fix Broadwell-EP DRAM RAPL events Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 010/114] staging: vt6656: use off stack for in buffer USB transfers. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 029/114] Revert "KVM: Support vCPU-based gfn->hva cache" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 014/114] [media] staging: sir: fill in missing fields and fix probe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  [PATCH 4.11 019/114] usb: Make sure usb/phy/of gets built-in Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 14:20 +0200
  Re: [PATCH 4.11 000/114] 4.11.2-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-05-18 21:50 +0200
    Re: [PATCH 4.11 000/114] 4.11.2-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-18 22:50 +0200
  Re: [PATCH 4.11 000/114] 4.11.2-stable review Guenter Roeck <linux@roeck-us.net> - 2017-05-19 03:20 +0200
    Re: [PATCH 4.11 000/114] 4.11.2-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-19 07:40 +0200

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