bab9bb6b69
Create new directories:
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config
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kernel/kernel-modules
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Delete two packages:
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Relocated packages:
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ceph/
python-cephclient
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facter
puppet-4.8.2
puppet-modules
filesystem/
e2fsprogs
nfs-utils
nfscheck
kernel/
kernel-std
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mlnx-ofa_kernel
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nss-pam-ldapd
openldap
logging/
syslog-ng
logrotate
networking/
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iproute
mellanox
python-ryu
mlx4-config
python/
python-2.7.5
python-django
python-gunicorn
python-setuptools
python-smartpm
python-voluptuous
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python-3parclient
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virt/
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update-motd
Change-Id: I37ade764d873c701b35eac5881eb40412ba64a86
Story: 2002801
Task: 22687
Signed-off-by: Scott Little <scott.little@windriver.com>
48 lines
2.1 KiB
Diff
48 lines
2.1 KiB
Diff
From d692cbb183b38e030c7c1221b67c9389bdeaf7f3 Mon Sep 17 00:00:00 2001
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Message-Id: <d692cbb183b38e030c7c1221b67c9389bdeaf7f3.1528226387.git.Jim.Somerville@windriver.com>
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In-Reply-To: <c8270e79f6b7008fde44b8d5aa6314d8cf89d3ed.1528226387.git.Jim.Somerville@windriver.com>
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References: <c8270e79f6b7008fde44b8d5aa6314d8cf89d3ed.1528226387.git.Jim.Somerville@windriver.com>
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From: Alex Kozyrev <alex.kozyrev@windriver.com>
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Date: Fri, 16 Mar 2018 15:50:57 -0400
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Subject: [PATCH 32/32] restrict iSCSI kthreads to CPUs in cpu_kthread_mask
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Do not allow them to run on other CPUs to prevent interference with VMs.
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Signed-off-by: Alex Kozyrev <alex.kozyrev@windriver.com>
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Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
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---
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drivers/target/iscsi/iscsi_target.c | 4 ++--
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include/linux/cpumask.h | 1 +
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2 files changed, 3 insertions(+), 2 deletions(-)
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diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
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index d8f587e..17b08b7 100644
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--- a/drivers/target/iscsi/iscsi_target.c
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+++ b/drivers/target/iscsi/iscsi_target.c
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@@ -3594,8 +3594,8 @@ void iscsit_thread_get_cpumask(struct iscsi_conn *conn)
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* iSCSI connection's RX/TX threads will be scheduled to
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* execute upon.
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*/
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- ord = conn->bitmap_id % cpumask_weight(cpu_online_mask);
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- for_each_online_cpu(cpu) {
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+ ord = conn->bitmap_id % cpumask_weight(cpu_kthread_mask);
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+ for_each_kthread_cpu(cpu) {
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if (ord-- == 0) {
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cpumask_set_cpu(cpu, conn->conn_cpumask);
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return;
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diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
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index 46ae77a..42b6c63 100644
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--- a/include/linux/cpumask.h
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+++ b/include/linux/cpumask.h
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@@ -754,6 +754,7 @@ extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS);
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#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
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#define for_each_online_cpu(cpu) for_each_cpu((cpu), cpu_online_mask)
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#define for_each_present_cpu(cpu) for_each_cpu((cpu), cpu_present_mask)
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+#define for_each_kthread_cpu(cpu) for_each_cpu((cpu), cpu_kthread_mask)
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/* Wrappers for arch boot code to manipulate normally-constant masks */
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void set_cpu_possible(unsigned int cpu, bool possible);
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--
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1.8.3.1
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