Changbin Du 5180edc242 drm/i915/kvmgt: fix suspicious rcu dereference usage ... The srcu read lock must be held while accessing kvm memslots. This patch fix below warning for function kvmgt_rw_gpa(). [ 165.345093] [ ERR: suspicious RCU usage. ] [ 165.416538] Call Trace: [ 165.418989] dump_stack+0x85/0xc2 [ 165.422310] lockdep_rcu_suspicious+0xd7/0x110 [ 165.426769] kvm_read_guest_page+0x195/0x1b0 [kvm] [ 165.431574] kvm_read_guest+0x50/0x90 [kvm] [ 165.440492] kvmgt_rw_gpa+0x43/0xa0 [kvmgt] [ 165.444683] kvmgt_read_gpa+0x11/0x20 [kvmgt] [ 165.449061] gtt_get_entry64+0x4d/0xc0 [i915] [ 165.453438] ppgtt_populate_shadow_page_by_guest_entry+0x380/0xdc0 [i915] [ 165.460254] shadow_mm+0xd1/0x460 [i915] [ 165.472488] intel_vgpu_create_mm+0x1ab/0x210 [i915] [ 165.477472] intel_vgpu_g2v_create_ppgtt_mm+0x5f/0xc0 [i915] [ 165.483154] pvinfo_mmio_write+0x19b/0x1d0 [i915] [ 165.499068] intel_vgpu_emulate_mmio_write+0x3f9/0x600 [i915] [ 165.504827] intel_vgpu_rw+0x114/0x150 [kvmgt] [ 165.509281] intel_vgpu_write+0x16f/0x1a0 [kvmgt] [ 165.513993] vfio_mdev_write+0x20/0x30 [vfio_mdev] [ 165.518793] vfio_device_fops_write+0x24/0x30 [vfio] [ 165.523770] __vfs_write+0x28/0x120 [ 165.540529] vfs_write+0xce/0x1f0 v2: fix Cc format for stable Signed-off-by: Changbin Du <changbin.du@intel.com> Cc: <stable@vger.kernel.org> # v4.10+ Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Reviewed-by: Jike Song <jike.song@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>		2017-03-17 16:46:45 +08:00
..
drm	drm/i915/kvmgt: fix suspicious rcu dereference usage	2017-03-17 16:46:45 +08:00
host1x	gpu: host1x: Set OF node for new host1x devices	2017-01-30 11:47:44 +01:00
ipu-v3	gpu: ipu-v3: Stop overwriting pdev->dev.of_node of child devices	2017-02-17 08:04:27 +01:00
vga	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
Makefile