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74 Commits

Author SHA1 Message Date
dependabot[bot]
cf2abd35d0 build: bump serde_derive from 1.0.132 to 1.0.133 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.132 to 1.0.133.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.132...v1.0.133)

---
updated-dependencies:
- dependency-name: serde_derive
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-04 03:58:23 +00:00
dependabot[bot]
0dbff2a81d build: bump serde from 1.0.132 to 1.0.133 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.132 to 1.0.133.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.132...v1.0.133)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-04 03:26:00 +00:00
dependabot[bot]
e355bb9fd4 build: bump serde_json from 1.0.73 to 1.0.74 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.73 to 1.0.74.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.73...v1.0.74)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2022-01-04 02:42:16 +00:00
dependabot[bot]
748611752d build: bump anyhow from 1.0.51 to 1.0.52 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.51 to 1.0.52.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.51...1.0.52)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-24 00:22:38 +00:00
Sebastien Boeuf
89af7dcb2b deps: Bump vm-memory to 0.7.0 
Updating Cloud Hypervisor to rely on vm-memory version 0.7.0.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-12-21 13:51:31 +01:00
dependabot[bot]
3f0a33a50f build: bump serde_derive from 1.0.131 to 1.0.132 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.131...v1.0.132)

---
updated-dependencies:
- dependency-name: serde_derive
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-17 02:15:44 +00:00
dependabot[bot]
32aedddb0a build: bump serde from 1.0.131 to 1.0.132 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.131...v1.0.132)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-17 01:44:29 +00:00
dependabot[bot]
2a2cea1658 build: bump serde_json from 1.0.72 to 1.0.73 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.72 to 1.0.73.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.72...v1.0.73)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-14 01:12:53 +00:00
dependabot[bot]
39172f8b54 build: bump serde_derive from 1.0.130 to 1.0.131 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.130 to 1.0.131.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.130...v1.0.131)

---
updated-dependencies:
- dependency-name: serde_derive
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-10 15:25:54 +00:00
dependabot[bot]
fb2b633ada build: bump serde from 1.0.130 to 1.0.131 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.130 to 1.0.131.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.130...v1.0.131)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-12-10 09:44:23 +01:00
dependabot[bot]
c4454f54bd build: bump anyhow from 1.0.48 to 1.0.51 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.48 to 1.0.51.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.48...1.0.51)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-29 23:43:56 +00:00
dependabot[bot]
154cca4170 build: bump serde_json from 1.0.71 to 1.0.72 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.71 to 1.0.72.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.71...v1.0.72)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-26 00:38:27 +00:00
dependabot[bot]
1bcb07b68b build: bump anyhow from 1.0.45 to 1.0.48 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.45 to 1.0.48.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.45...1.0.48)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-22 20:13:56 +00:00
dependabot[bot]
46953db3ca build: bump serde_json from 1.0.70 to 1.0.71 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.70 to 1.0.71.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.70...v1.0.71)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-18 00:37:08 +00:00
dependabot[bot]
608ad4894f build: bump serde_json from 1.0.69 to 1.0.70 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.69 to 1.0.70.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.69...v1.0.70)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-16 00:49:38 +00:00
Sebastien Boeuf
611e71826d deps: Downgrade anyhow 
Because anyhow version 1.0.46 has been yanked, let's move back to the
previous version 1.0.45.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-11-10 09:43:12 +00:00
dependabot[bot]
a362e85539 build: bump anyhow from 1.0.45 to 1.0.46 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.45 to 1.0.46.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.45...1.0.46)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-08 23:34:03 +00:00
dependabot[bot]
cc1db2ea13 build: bump serde_json from 1.0.68 to 1.0.69 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.68 to 1.0.69.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.68...v1.0.69)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-06 16:37:23 +00:00
dependabot[bot]
960c7027c7 build: bump anyhow from 1.0.44 to 1.0.45 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.44 to 1.0.45.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.44...1.0.45)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-11-03 09:43:57 +00:00
Sebastien Boeuf
7f0e7d19a6 Revert "build: bump vm-memory from 0.6.0 to 0.7.0" 
This was causing some issues because of the use of 2 different versions
for the vm-memmory crate. We'll wait for all dependencies to be properly
resolved before we move to 0.7.0.

This reverts commit 76b6c62d07.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-10-22 11:09:36 +02:00
Bo Chen
76b6c62d07 build: bump vm-memory from 0.6.0 to 0.7.0 
Signed-off-by: Bo Chen <chen.bo@intel.com>
 2021-10-21 06:19:02 -07:00
dependabot[bot]
610d694f1d build: bump thiserror from 1.0.29 to 1.0.30 
Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.29 to 1.0.30.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.29...1.0.30)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-10-12 09:45:31 +02:00
dependabot[bot]
f67b3f79ea build: bump vmm-sys-util from 0.8.0 to 0.9.0 
Bumps [vmm-sys-util](https://github.com/rust-vmm/vmm-sys-util) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/rust-vmm/vmm-sys-util/releases)
- [Changelog](https://github.com/rust-vmm/vmm-sys-util/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vmm-sys-util/compare/v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: vmm-sys-util
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

This needed a bunch of manual updates as well, including vfio-ioctls and
vhost crates. The vhost crate is being patched with the latest version
from rust-vmm because the version 0.1.0 on crates.io doesn't include the
patches we need yet.

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-09-16 14:01:19 +01:00
dependabot[bot]
8836715c2d build: bump serde_json from 1.0.67 to 1.0.68 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.67 to 1.0.68.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.67...v1.0.68)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-09-15 00:06:23 +00:00
dependabot[bot]
f3778a7fc7 build: bump anyhow from 1.0.43 to 1.0.44 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.43 to 1.0.44.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.43...1.0.44)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-09-14 00:22:00 +00:00
Wei Liu
10b954e954 build: use vfio-ioctls that supports MSHV 
Disable default features and propagate hypervisor selection where
necessary.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2021-09-07 15:17:08 +01:00
dependabot[bot]
a20041ba68 build: bump thiserror from 1.0.28 to 1.0.29 
Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.28 to 1.0.29.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.28...1.0.29)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-09-07 08:35:50 +00:00
Alyssa Ross
9a634f07cb build: update Cargo for rust-vmm branch renames 
The rust-vmm crates we're pulling from git have renamed their main
branches.  We need to update the branch names we're giving to Cargo,
or people who don't have these dependencies cached will get errors
like this when trying to build:

    error: failed to get `vm-fdt` as a dependency of package `arch v0.1.0 (/home/src/cloud-hypervisor/arch)`

    Caused by:
      failed to load source for dependency `vm-fdt`

    Caused by:
      Unable to update https://github.com/rust-vmm/vm-fdt?branch=master#031572a6

    Caused by:
      object not found - no match for id (031572a6edc2f566a7278f1e17088fc5308d27ab); class=Odb (9); code=NotFound (-3)

Signed-off-by: Alyssa Ross <hi@alyssa.is>
 2021-09-02 10:38:25 +01:00
dependabot[bot]
8841e63e2d build: bump thiserror from 1.0.26 to 1.0.28 
Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.26 to 1.0.28.
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](https://github.com/dtolnay/thiserror/compare/1.0.26...1.0.28)

---
updated-dependencies:
- dependency-name: thiserror
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-30 06:02:02 +00:00
dependabot[bot]
e877718b29 build: bump serde from 1.0.129 to 1.0.130 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.129 to 1.0.130.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.129...v1.0.130)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-30 05:23:16 +00:00
dependabot[bot]
b0d8b50b36 build: bump serde_derive from 1.0.129 to 1.0.130 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.129 to 1.0.130.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.129...v1.0.130)

---
updated-dependencies:
- dependency-name: serde_derive
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-30 00:23:14 +00:00
dependabot[bot]
2349b7e753 build: bump serde_json from 1.0.66 to 1.0.67 
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.66 to 1.0.67.
- [Release notes](https://github.com/serde-rs/json/releases)
- [Commits](https://github.com/serde-rs/json/compare/v1.0.66...v1.0.67)

---
updated-dependencies:
- dependency-name: serde_json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-29 23:28:14 +00:00
dependabot[bot]
8f6a5f979d build: bump serde from 1.0.127 to 1.0.129 
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.127 to 1.0.129.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.127...v1.0.129)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-24 07:16:49 +00:00
dependabot[bot]
b8b16c6eec build: bump serde_derive from 1.0.127 to 1.0.129 
Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.127 to 1.0.129.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.127...v1.0.129)

---
updated-dependencies:
- dependency-name: serde_derive
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-24 06:50:04 +00:00
dependabot[bot]
86b2c17135 build: bump anyhow from 1.0.42 to 1.0.43 
Bumps [anyhow](https://github.com/dtolnay/anyhow) from 1.0.42 to 1.0.43.
- [Release notes](https://github.com/dtolnay/anyhow/releases)
- [Commits](https://github.com/dtolnay/anyhow/compare/1.0.42...1.0.43)

---
updated-dependencies:
- dependency-name: anyhow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2021-08-17 00:32:44 +00:00
Rob Bradford
f7f2f25a57 build: Use fixed versions in Cargo.toml files 
This doesn't really affect the build as we ship a Cargo.lock with fixed
versions in. However for clarity it makes sense to use fixed versions
throughout and let dependabot update them.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-08-06 12:11:39 +02:00
Rob Bradford
b4f887ea80 build: Move from patched vm-memory version to released version 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-08-06 10:08:58 +01:00
Sebastien Boeuf
dcc646f5b1 clippy: Fix redundant allocations 
With the new beta version, clippy complains about redundant allocation
when using Arc<Box<dyn T>>, and suggests replacing it simply with
Arc<dyn T>.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-07-29 13:28:57 +02:00
Wei Liu
39bc444db4 vmm, vm-device: make use of the kvm feature gate in vfio-ioctls 
The vfio-ioctls crate now contains a KVM feature gate. Make use of it in
Cloud Hypervisor.

That crate has two users. For the vmm crate is it straight-forward. For
the vm-device crate, we introduce a KVM feature gate as well so that the
vmm crate can pass on the configuration.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2021-07-15 09:35:51 +02:00
Rob Bradford
496ceed1d0 misc: Remove unnecessary "extern crate" 
Now all crates use edition = "2018" then the majority of the "extern
crate" statements can be removed. Only those for importing macros need
to remain.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-05-12 17:26:11 +02:00
Rob Bradford
b8f5911c4e misc: Remove unused errors from public interface 
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2021-05-11 13:37:19 +02:00
Wei Liu
d4eaf746b5 vm-device: bus: drop the interrupt function 
It is not used anywhere.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2021-04-13 14:18:14 +01:00
Michael Zhao
afc83582be aarch64: Enable IRQ routing for legacy devices 
On AArch64, interrupt controller (GIC) is emulated by KVM. VMM need to
set IRQ routing for devices, including legacy ones.

Before this commit, IRQ routing was only set for MSI. Legacy routing
entries of type KVM_IRQ_ROUTING_IRQCHIP were missing. That is way legacy
devices (like serial device ttyS0) does not work.

The setting of X86 IRQ routing entries are not impacted.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>
 2021-03-15 20:59:50 +08:00
Sebastien Boeuf
a0a89b1346 pci, vmm: Move to upstream vfio-ioctls crate 
This commit moves both pci and vmm code from the internal vfio-ioctls
crate to the upstream one from the rust-vmm project.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-02-24 08:02:37 +01:00
Sebastien Boeuf
5bd05b1af0 vm-device: Move ExternalDmaMapping trait out of vfio-ioctls 
By moving the trait and its VFIO implementation out of vfio-ioctls, we
give anticipate for the move to the vfio-ioctls from rust-vmm.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-02-24 08:02:37 +01:00
Sebastien Boeuf
3bd47ffdc1 interrupt: Add a notifier method to the InterruptController 
Both GIC and IOAPIC must implement a new method notifier() in order to
provide the caller with an EventFd corresponding to the IRQ it refers
to.

This is needed in anticipation for supporting INTx with VFIO PCI
devices.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-02-10 17:34:56 +00:00
Sebastien Boeuf
acfbee5b7a interrupt: Make notifier function return Option<EventFd> 
In anticipation for supporting the notifier function for the legacy
interrupt source group, we need this function to return an EventFd
instead of a reference to this same EventFd.

The reason is we can't return a reference when there's an Arc<Mutex<>>
involved in the call chain.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
 2021-02-10 17:34:56 +00:00
dependabot-preview[bot]
6d63018d9f build(deps): bump vm-memory from 0.4.0 to 0.5.0 
Bumps [vm-memory](https://github.com/rust-vmm/vm-memory) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/rust-vmm/vm-memory/releases)
- [Changelog](https://github.com/rust-vmm/vm-memory/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-vmm/vm-memory/compare/v0.4.0...v0.5.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
 2021-02-10 11:30:05 +00:00
Rob Bradford
a8643dc523 vm-device, vmm: Wait for barrier if one is returned 
Wait for the barrier if one is provided by the result of the MMIO and
PIO write.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-12-17 11:23:53 +00:00
Rob Bradford
1fc6d50f3e misc: Make Bus::write() return an Option<Arc<Barrier>> 
This can be uses to indicate to the caller that it should wait on the
barrier before returning as there is some asynchronous activity
triggered by the write which requires the KVM exit to block until it's
completed.

This is useful for having vCPU thread wait for the VMM thread to proceed
to activate the virtio devices.

See #1863

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
 2020-12-17 11:23:53 +00:00