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From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
Date: Fri, 16 Sep 2016 21:31:56 +0200
Subject: [PATCH] nova: AArch64: enable hugepage support
This patch adds AArch64 to the hardcoded lists of valid
architectures for hugepage support.
Backported upstream patch from [1].
[1] https://review.openstack.org/#/c/372304/
Closes-bug: ARMBAND-90
Signed-off-by: Veena Lingadahalli <vlingadahalli@mvista.com>
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
---
...gepage-and-NUMA-support-check-for-aarch64.patch | 41 ++++++++++++++++++++++
.../openstack_tasks/manifests/roles/compute.pp | 12 +++++++
2 files changed, 53 insertions(+)
create mode 100644 deployment/puppet/openstack/files/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch
diff --git a/deployment/puppet/openstack/files/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch b/deployment/puppet/openstack/files/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch
new file mode 100644
index 0000000..ba91357
--- /dev/null
+++ b/deployment/puppet/openstack/files/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch
@@ -0,0 +1,41 @@
+From: VeenaSL <mveenasl@gmail.com>
+Date: Mon, 19 Sep 2016 13:36:53 +0530
+Subject: [PATCH] Adding hugepage and NUMA support check for aarch64
+
+Nova ignores aarch64 while verifying for hugepage and NUMA support.
+AARCH64 also supports hugepage and NUMA on the same libvirt versions as of x86.
+Hence adding this chek for aarch64 also.
+
+Change-Id: I7b5ae1dbdca4fdd0aee2eefd4099c4c4953b609a
+Closes-bug: #1623871
+
+Signed-off-by: Veena Lingadahalli <vlingadahalli@mvista.com>
+Acked-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
+
+---
+ virt/libvirt/driver.py | 6 ++++--
+
+diff --git a/virt/libvirt/driver.py b/virt/libvirt/driver.py
+index 5668f57..b0857f3 100644
+--- a/virt/libvirt/driver.py
++++ b/virt/libvirt/driver.py
+@@ -5108,7 +5108,8 @@ class LibvirtDriver(driver.ComputeDriver):
+ self._bad_libvirt_numa_version_warn = True
+ return False
+
+- support_matrix = {(arch.I686, arch.X86_64): MIN_LIBVIRT_NUMA_VERSION,
++ support_matrix = {(arch.I686, arch.X86_64,
++ arch.AARCH64): MIN_LIBVIRT_NUMA_VERSION,
+ (arch.PPC64,
+ arch.PPC64LE): MIN_LIBVIRT_NUMA_VERSION_PPC}
+ caps = self._host.get_capabilities()
+@@ -5124,7 +5125,8 @@ class LibvirtDriver(driver.ComputeDriver):
+ def _has_hugepage_support(self):
+ # This means that the host can support multiple values for the size
+ # field in LibvirtConfigGuestMemoryBackingPage
+- supported_archs = [arch.I686, arch.X86_64, arch.PPC64LE, arch.PPC64]
++ supported_archs = [arch.I686, arch.X86_64, arch.PPC64LE, arch.PPC64,
++ arch.AARCH64]
+ caps = self._host.get_capabilities()
+ return ((caps.host.cpu.arch in supported_archs) and
+ self._host.has_min_version(MIN_LIBVIRT_HUGEPAGE_VERSION,
diff --git a/deployment/puppet/openstack_tasks/manifests/roles/compute.pp b/deployment/puppet/openstack_tasks/manifests/roles/compute.pp
index 8207261..b5cefdf 100644
--- a/deployment/puppet/openstack_tasks/manifests/roles/compute.pp
+++ b/deployment/puppet/openstack_tasks/manifests/roles/compute.pp
@@ -313,5 +313,17 @@ class openstack_tasks::roles::compute {
cwd => $nova_path,
require => [Package['patch']],
+ } ->
+ # FIXME(armband): Add AArch64 to arch list for nova hugepage support
+ file { "${nova_path}/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch":
+ ensure => "file",
+ source => "puppet:///modules/openstack/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch",
+ } ->
+ exec { 'nova AArch64 enable hugepage support':
+ path => ['/usr/bin'],
+ command => "patch -p1 < ${nova_path}/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch",
+ unless => "patch -p1 -R -N --dry-run < ${nova_path}/nova-Adding-hugepage-and-NUMA-support-check-for-aarch64.patch",
+ cwd => $nova_path,
+ require => [Package['patch']],
}
class { '::nova::cache':
|
