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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

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virtio,acpi: features, fixes, cleanups.

vdpa support
virtio-mem support
a handy script for disassembling acpi tables
misc fixes and cleanups

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 07 Jul 2020 13:00:35 BST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (41 commits)
  vhost-vdpa: introduce vhost-vdpa net client
  vhost-vdpa: introduce vhost-vdpa backend
  vhost_net: introduce set_config & get_config
  vhost: implement vhost_force_iommu method
  vhost: introduce new VhostOps vhost_force_iommu
  vhost: implement vhost_vq_get_addr method
  vhost: introduce new VhostOps vhost_vq_get_addr
  vhost: implement vhost_dev_start method
  vhost: introduce new VhostOps vhost_dev_start
  vhost: check the existence of vhost_set_iotlb_callback
  virtio-pci: implement queue_enabled method
  virtio-bus: introduce queue_enabled method
  vhost_net: use the function qemu_get_peer
  net: introduce qemu_get_peer
  MAINTAINERS: add VT-d entry
  docs: vhost-user: add Virtio status protocol feature
  tests/acpi: remove stale allowed tables
  numa: Auto-enable NUMA when any memory devices are possible
  virtio-mem: Exclude unplugged memory during migration
  virtio-mem: Add trace events
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/arm/virt.c
#	hw/virtio/trace-events
This commit is contained in:
Peter Maydell
2020-07-07 17:37:44 +01:00
parent 710fb08fd2 1e0a84ea49
commit c8eaf81fd2
67 changed files with 2639 additions and 169 deletions
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23
migration/postcopy-ram.c
View File

@ -27,7 +27,6 @@
#include "qemu/notify.h"
#include "qemu/rcu.h"
#include "sysemu/sysemu.h"
#include "sysemu/balloon.h"
#include "qemu/error-report.h"
#include "trace.h"
#include "hw/boards.h"
@ -520,20 +519,6 @@ int postcopy_ram_incoming_init(MigrationIncomingState *mis)
return 0;
}
/*
* Manage a single vote to the QEMU balloon inhibitor for all postcopy usage,
* last caller wins.
*/
static void postcopy_balloon_inhibit(bool state)
{
static bool cur_state = false;
if (state != cur_state) {
qemu_balloon_inhibit(state);
cur_state = state;
}
}
/*
* At the end of a migration where postcopy_ram_incoming_init was called.
*/
@ -565,8 +550,6 @@ int postcopy_ram_incoming_cleanup(MigrationIncomingState *mis)
mis->have_fault_thread = false;
}
postcopy_balloon_inhibit(false);
if (enable_mlock) {
if (os_mlock() < 0) {
error_report("mlock: %s", strerror(errno));
@ -1160,12 +1143,6 @@ int postcopy_ram_incoming_setup(MigrationIncomingState *mis)
}
memset(mis->postcopy_tmp_zero_page, '\0', mis->largest_page_size);
/*
* Ballooning can mark pages as absent while we're postcopying
* that would cause false userfaults.
*/
postcopy_balloon_inhibit(true);
trace_postcopy_ram_enable_notify();
return 0;