linux/include
Alexey Perevalov 9d4ac93482 userfaultfd: provide pid in userfault msg
It could be useful for calculating downtime during postcopy live
migration per vCPU.  Side observer or application itself will be
informed about proper task's sleep during userfaultfd processing.

Process's thread id is being provided when user requeste it by setting
UFFD_FEATURE_THREAD_ID bit into uffdio_api.features.

Link: http://lkml.kernel.org/r/20170802165145.22628-6-aarcange@redhat.com
Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-06 17:27:29 -07:00
..
acpi Device properties framework updates for v4.14-rc1 2017-09-05 12:50:00 -07:00
asm-generic Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 12:21:28 -07:00
clocksource
crypto
drm drm/syncobj: Add a callback mechanism for replace_fence (v3) 2017-08-29 06:26:42 +10:00
dt-bindings pinctrl: qcom: spmi-gpio: Add support for GPIO LV/MV subtype 2017-08-15 11:16:36 +02:00
keys
kvm
linux mm: rename global_page_state to global_zone_page_state 2017-09-06 17:27:29 -07:00
math-emu
media Linux 4.13-rc5 2017-08-15 16:16:58 +10:00
memory
misc
net ipv6: fix sparse warning on rt6i_node 2017-08-28 15:34:40 -07:00
pcmcia
ras
rdma IB/core: Assign root to all drivers 2017-08-31 08:35:14 -04:00
rxrpc
scsi SCSI fixes on 20170823 2017-08-23 11:34:40 -07:00
soc
sound drm: omapdrm: hdmi: Pass HDMI core version as integer to HDMI audio 2017-08-16 12:52:41 +03:00
target iscsi-target: Fix iscsi_np reset hung task during parallel delete 2017-08-06 14:41:41 -07:00
trace dax: use common 4k zero page for dax mmap reads 2017-09-06 17:27:24 -07:00
uapi userfaultfd: provide pid in userfault msg 2017-09-06 17:27:29 -07:00
video
xen