From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org,
Christian Borntraeger <borntraeger@de.ibm.com>,
Wei Wang <wei.w.wang@intel.com>,
Cornelia Huck <cohuck@redhat.com>,
Halil Pasic <pasic@linux.ibm.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: [PATCH 4.20 047/111] virtio-balloon: tweak config_changed implementation
Date: Mon, 21 Jan 2019 14:42:41 +0100 [thread overview]
Message-ID: <20190121122501.157819352@linuxfoundation.org> (raw)
In-Reply-To: <20190121122455.819406896@linuxfoundation.org>
4.20-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Wang <wei.w.wang@intel.com>
commit bf4dc0b2beebfd9338df7c0bcf473b356f67cf66 upstream.
virtio-ccw has deadlock issues with reading the config space inside the
interrupt context, so we tweak the virtballoon_changed implementation
by moving the config read operations into the related workqueue contexts.
The config_read_bitmap is used as a flag to the workqueue callbacks
about the related config fields that need to be read.
The cmd_id_received is also renamed to cmd_id_received_cache, and
the value should be obtained via virtio_balloon_cmd_id_received.
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 86a559787e6f ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT")
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/virtio/virtio_balloon.c | 98 ++++++++++++++++++++++++++--------------
1 file changed, 65 insertions(+), 33 deletions(-)
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -61,6 +61,10 @@ enum virtio_balloon_vq {
VIRTIO_BALLOON_VQ_MAX
};
+enum virtio_balloon_config_read {
+ VIRTIO_BALLOON_CONFIG_READ_CMD_ID = 0,
+};
+
struct virtio_balloon {
struct virtio_device *vdev;
struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_page_vq;
@@ -77,14 +81,20 @@ struct virtio_balloon {
/* Prevent updating balloon when it is being canceled. */
spinlock_t stop_update_lock;
bool stop_update;
+ /* Bitmap to indicate if reading the related config fields are needed */
+ unsigned long config_read_bitmap;
/* The list of allocated free pages, waiting to be given back to mm */
struct list_head free_page_list;
spinlock_t free_page_list_lock;
/* The number of free page blocks on the above list */
unsigned long num_free_page_blocks;
- /* The cmd id received from host */
- u32 cmd_id_received;
+ /*
+ * The cmd id received from host.
+ * Read it via virtio_balloon_cmd_id_received to get the latest value
+ * sent from host.
+ */
+ u32 cmd_id_received_cache;
/* The cmd id that is actively in use */
__virtio32 cmd_id_active;
/* Buffer to store the stop sign */
@@ -390,37 +400,31 @@ static unsigned long return_free_pages_t
return num_returned;
}
+static void virtio_balloon_queue_free_page_work(struct virtio_balloon *vb)
+{
+ if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT))
+ return;
+
+ /* No need to queue the work if the bit was already set. */
+ if (test_and_set_bit(VIRTIO_BALLOON_CONFIG_READ_CMD_ID,
+ &vb->config_read_bitmap))
+ return;
+
+ queue_work(vb->balloon_wq, &vb->report_free_page_work);
+}
+
static void virtballoon_changed(struct virtio_device *vdev)
{
struct virtio_balloon *vb = vdev->priv;
unsigned long flags;
- s64 diff = towards_target(vb);
- if (diff) {
- spin_lock_irqsave(&vb->stop_update_lock, flags);
- if (!vb->stop_update)
- queue_work(system_freezable_wq,
- &vb->update_balloon_size_work);
- spin_unlock_irqrestore(&vb->stop_update_lock, flags);
- }
-
- if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) {
- virtio_cread(vdev, struct virtio_balloon_config,
- free_page_report_cmd_id, &vb->cmd_id_received);
- if (vb->cmd_id_received == VIRTIO_BALLOON_CMD_ID_DONE) {
- /* Pass ULONG_MAX to give back all the free pages */
- return_free_pages_to_mm(vb, ULONG_MAX);
- } else if (vb->cmd_id_received != VIRTIO_BALLOON_CMD_ID_STOP &&
- vb->cmd_id_received !=
- virtio32_to_cpu(vdev, vb->cmd_id_active)) {
- spin_lock_irqsave(&vb->stop_update_lock, flags);
- if (!vb->stop_update) {
- queue_work(vb->balloon_wq,
- &vb->report_free_page_work);
- }
- spin_unlock_irqrestore(&vb->stop_update_lock, flags);
- }
+ spin_lock_irqsave(&vb->stop_update_lock, flags);
+ if (!vb->stop_update) {
+ queue_work(system_freezable_wq,
+ &vb->update_balloon_size_work);
+ virtio_balloon_queue_free_page_work(vb);
}
+ spin_unlock_irqrestore(&vb->stop_update_lock, flags);
}
static void update_balloon_size(struct virtio_balloon *vb)
@@ -527,6 +531,17 @@ static int init_vqs(struct virtio_balloo
return 0;
}
+static u32 virtio_balloon_cmd_id_received(struct virtio_balloon *vb)
+{
+ if (test_and_clear_bit(VIRTIO_BALLOON_CONFIG_READ_CMD_ID,
+ &vb->config_read_bitmap))
+ virtio_cread(vb->vdev, struct virtio_balloon_config,
+ free_page_report_cmd_id,
+ &vb->cmd_id_received_cache);
+
+ return vb->cmd_id_received_cache;
+}
+
static int send_cmd_id_start(struct virtio_balloon *vb)
{
struct scatterlist sg;
@@ -537,7 +552,8 @@ static int send_cmd_id_start(struct virt
while (virtqueue_get_buf(vq, &unused))
;
- vb->cmd_id_active = cpu_to_virtio32(vb->vdev, vb->cmd_id_received);
+ vb->cmd_id_active = virtio32_to_cpu(vb->vdev,
+ virtio_balloon_cmd_id_received(vb));
sg_init_one(&sg, &vb->cmd_id_active, sizeof(vb->cmd_id_active));
err = virtqueue_add_outbuf(vq, &sg, 1, &vb->cmd_id_active, GFP_KERNEL);
if (!err)
@@ -620,7 +636,8 @@ static int send_free_pages(struct virtio
* stop the reporting.
*/
cmd_id_active = virtio32_to_cpu(vb->vdev, vb->cmd_id_active);
- if (cmd_id_active != vb->cmd_id_received)
+ if (unlikely(cmd_id_active !=
+ virtio_balloon_cmd_id_received(vb)))
break;
/*
@@ -637,11 +654,9 @@ static int send_free_pages(struct virtio
return 0;
}
-static void report_free_page_func(struct work_struct *work)
+static void virtio_balloon_report_free_page(struct virtio_balloon *vb)
{
int err;
- struct virtio_balloon *vb = container_of(work, struct virtio_balloon,
- report_free_page_work);
struct device *dev = &vb->vdev->dev;
/* Start by sending the received cmd id to host with an outbuf. */
@@ -659,6 +674,23 @@ static void report_free_page_func(struct
dev_err(dev, "Failed to send a stop id, err = %d\n", err);
}
+static void report_free_page_func(struct work_struct *work)
+{
+ struct virtio_balloon *vb = container_of(work, struct virtio_balloon,
+ report_free_page_work);
+ u32 cmd_id_received;
+
+ cmd_id_received = virtio_balloon_cmd_id_received(vb);
+ if (cmd_id_received == VIRTIO_BALLOON_CMD_ID_DONE) {
+ /* Pass ULONG_MAX to give back all the free pages */
+ return_free_pages_to_mm(vb, ULONG_MAX);
+ } else if (cmd_id_received != VIRTIO_BALLOON_CMD_ID_STOP &&
+ cmd_id_received !=
+ virtio32_to_cpu(vb->vdev, vb->cmd_id_active)) {
+ virtio_balloon_report_free_page(vb);
+ }
+}
+
#ifdef CONFIG_BALLOON_COMPACTION
/*
* virtballoon_migratepage - perform the balloon page migration on behalf of
@@ -885,7 +917,7 @@ static int virtballoon_probe(struct virt
goto out_del_vqs;
}
INIT_WORK(&vb->report_free_page_work, report_free_page_func);
- vb->cmd_id_received = VIRTIO_BALLOON_CMD_ID_STOP;
+ vb->cmd_id_received_cache = VIRTIO_BALLOON_CMD_ID_STOP;
vb->cmd_id_active = cpu_to_virtio32(vb->vdev,
VIRTIO_BALLOON_CMD_ID_STOP);
vb->cmd_id_stop = cpu_to_virtio32(vb->vdev,
next prev parent reply other threads:[~2019-01-21 14:19 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 13:41 [PATCH 4.20 000/111] 4.20.4-stable review Greg Kroah-Hartman
2019-01-21 13:41 ` [PATCH 4.20 001/111] tty/ldsem: Wake up readers after timed out down_write() Greg Kroah-Hartman
2019-01-21 13:41 ` [PATCH 4.20 002/111] tty: Hold tty_ldisc_lock() during tty_reopen() Greg Kroah-Hartman
2019-01-21 13:41 ` [PATCH 4.20 003/111] tty: Simplify tty->count math in tty_reopen() Greg Kroah-Hartman
2019-01-21 13:41 ` [PATCH 4.20 004/111] tty: Dont hold ldisc lock in tty_reopen() if ldisc present Greg Kroah-Hartman
2019-01-21 13:41 ` [PATCH 4.20 005/111] can: gw: ensure DLC boundaries after CAN frame modification Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 006/111] netfilter: nf_conncount: replace CONNCOUNT_LOCK_SLOTS with CONNCOUNT_SLOTS Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 007/111] netfilter: nf_conncount: dont skip eviction when age is negative Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 008/111] netfilter: nf_conncount: split gc in two phases Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 009/111] netfilter: nf_conncount: restart search when nodes have been erased Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 010/111] netfilter: nf_conncount: merge lookup and add functions Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 011/111] netfilter: nf_conncount: move all list iterations under spinlock Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 012/111] netfilter: nf_conncount: speculative garbage collection on empty lists Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 013/111] netfilter: nf_conncount: fix argument order to find_next_bit Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 014/111] mmc: sdhci-msm: Disable CDR function on TX Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 015/111] arm64/kvm: consistently handle host HCR_EL2 flags Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 016/111] arm64: Dont trap host pointer auth use to EL2 Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 017/111] ipv6: fix kernel-infoleak in ipv6_local_error() Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 018/111] net: bridge: fix a bug on using a neighbour cache entry without checking its state Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 019/111] packet: Do not leak dev refcounts on error exit Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 020/111] tcp: change txhash on SYN-data timeout Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 021/111] tun: publish tfile after its fully initialized Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 022/111] net: phy: add missing phy driver features Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 023/111] net: phy: Add missing features to PHY drivers Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 024/111] net: phy: meson-gxl: Use the genphy_soft_reset callback Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 025/111] lan743x: Remove phy_read from link status change function Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 026/111] IN_BADCLASS: fix macro to actually work Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 027/111] r8169: load Realtek PHY driver module before r8169 Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 028/111] bonding: update nest level on unlink Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 029/111] ip: on queued skb use skb_header_pointer instead of pskb_may_pull Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 030/111] r8169: dont try to read counters if chip is in a PCI power-save state Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 031/111] smc: move unhash as early as possible in smc_release() Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 032/111] crypto: sm3 - fix undefined shift by >= width of value Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 033/111] crypto: caam - fix zero-length buffer DMA mapping Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 034/111] crypto: authencesn - Avoid twice completion call in decrypt path Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 035/111] crypto: ccree - convert to use crypto_authenc_extractkeys() Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 036/111] crypto: bcm " Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 037/111] crypto: authenc - fix parsing key with misaligned rta_len Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 038/111] crypto: talitos - reorder code in talitos_edesc_alloc() Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 039/111] crypto: talitos - fix ablkcipher for CONFIG_VMAP_STACK Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 040/111] xen: Fix x86 sched_clock() interface for xen Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 041/111] Revert "btrfs: balance dirty metadata pages in btrfs_finish_ordered_io" Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 042/111] btrfs: wait on ordered extents on abort cleanup Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 043/111] Yama: Check for pid death before checking ancestry Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 044/111] scsi: core: Synchronize request queue PM status only on successful resume Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 045/111] scsi: sd: Fix cache_type_store() Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 046/111] virtio: dont allocate vqs when names[i] = NULL Greg Kroah-Hartman
2019-01-21 13:42 ` Greg Kroah-Hartman [this message]
2019-01-21 13:42 ` [PATCH 4.20 048/111] mips: fix n32 compat_ipc_parse_version Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 049/111] MIPS: BCM47XX: Setup struct device for the SoC Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 050/111] MIPS: lantiq: Fix IPI interrupt handling Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 051/111] MIPS: OCTEON: fix kexec support Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 052/111] drm/i915/gvt: Fix mmap range check Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 053/111] drm/rockchip: add missing of_node_put Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 054/111] OF: properties: " Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 055/111] mfd: tps6586x: Handle interrupts on suspend Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 056/111] media: v4l: ioctl: Validate num_planes for debug messages Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 057/111] media: vim2m: only cancel work if it is for right context Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 058/111] RDMA/nldev: Dont expose unsafe global rkey to regular user Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 059/111] RDMA/vmw_pvrdma: Return the correct opcode when creating WR Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 060/111] kbuild: Disable LD_DEAD_CODE_DATA_ELIMINATION with ftrace & GCC <= 4.7 Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 061/111] kbuild: fix single target build for external module Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 062/111] kbuild: mark prepare0 as PHONY to fix external module build Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 063/111] net: dsa: realtek-smi: fix OF child-node lookup Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 064/111] pstore/ram: Avoid allocation and leak of platform data Greg Kroah-Hartman
2019-01-21 13:42 ` [PATCH 4.20 065/111] SUNRPC: Fix TCP receive code on archs with flush_dcache_page() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 066/111] powerpc/tm: Limit TM code inside PPC_TRANSACTIONAL_MEM Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 067/111] arm64: kaslr: ensure randomized quantities are clean to the PoC Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 068/111] arm64: dts: marvell: armada-ap806: reserve PSCI area Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 069/111] fbdev: offb: Fix OF node name handling Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 070/111] Disable MSI also when pcie-octeon.pcie_disable on Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 071/111] fix int_sqrt64() for very large numbers Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 072/111] omap2fb: Fix stack memory disclosure Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 073/111] media: vivid: fix error handling of kthread_run Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 074/111] media: vivid: set min width/height to a value > 0 Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 075/111] bpf: in __bpf_redirect_no_mac pull mac only if present Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 076/111] ipv6: make icmp6_send() robust against null skb->dev Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 077/111] LSM: Check for NULL cred-security on free Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 078/111] media: vb2: vb2_mmap: move lock up Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 079/111] sunrpc: handle ENOMEM in rpcb_getport_async Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 080/111] netfilter: ebtables: account ebt_table_info to kmemcg Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 081/111] block: use rcu_work instead of call_rcu to avoid sleep in softirq Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 082/111] drm/vkms: Fix plane duplicate_state Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 083/111] gpu/drm: Fix lock held when returning to user space Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 084/111] selinux: fix GPF on invalid policy Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 085/111] blockdev: Fix livelocks on loop device Greg Kroah-Hartman
2019-01-21 14:03 ` Jan Kara
2019-01-21 14:23 ` Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 086/111] sctp: allocate sctp_sockaddr_entry with kzalloc Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 087/111] tipc: fix uninit-value in in tipc_conn_rcv_sub Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 088/111] tipc: fix uninit-value in tipc_nl_compat_link_reset_stats Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 089/111] tipc: fix uninit-value in tipc_nl_compat_bearer_enable Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 090/111] tipc: fix uninit-value in tipc_nl_compat_link_set Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 091/111] tipc: fix uninit-value in tipc_nl_compat_name_table_dump Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 092/111] tipc: fix uninit-value in tipc_nl_compat_doit Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 093/111] block/loop: Dont grab "struct file" for vfs_getattr() operation Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 094/111] block/loop: Use global lock for ioctl() operation Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 095/111] loop: Fold __loop_release into loop_release Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 096/111] loop: Get rid of loop_index_mutex Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 097/111] loop: Push lo_ctl_mutex down into individual ioctls Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 098/111] loop: Split setting of lo_state from loop_clr_fd Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 099/111] loop: Push loop_ctl_mutex down into loop_clr_fd() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 100/111] loop: Push loop_ctl_mutex down to loop_get_status() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 101/111] loop: Push loop_ctl_mutex down to loop_set_status() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 102/111] loop: Push loop_ctl_mutex down to loop_set_fd() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 103/111] loop: Push loop_ctl_mutex down to loop_change_fd() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 104/111] loop: Move special partition reread handling in loop_clr_fd() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 105/111] loop: Move loop_reread_partitions() out of loop_ctl_mutex Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 106/111] loop: Fix deadlock when calling blkdev_reread_part() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 107/111] loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 108/111] loop: Get rid of nested acquisition of loop_ctl_mutex Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 109/111] loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl() Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 110/111] loop: drop caches if offset or block_size are changed Greg Kroah-Hartman
2019-01-21 13:43 ` [PATCH 4.20 111/111] drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock Greg Kroah-Hartman
2019-01-22 13:33 ` [PATCH 4.20 000/111] 4.20.4-stable review Naresh Kamboju
2019-01-22 16:44 ` Greg Kroah-Hartman
2019-01-22 19:24 ` Guenter Roeck
2019-01-23 6:43 ` Greg Kroah-Hartman
2019-01-22 22:25 ` shuah
2019-01-23 6:43 ` Greg Kroah-Hartman
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