b7068d958b
- kvm-virtio-skip-legacy-support-check-on-machine-types-le.patch [bz#1868449] - kvm-vhost-vsock-pci-force-virtio-version-1.patch [bz#1868449] - kvm-vhost-user-vsock-pci-force-virtio-version-1.patch [bz#1868449] - kvm-vhost-vsock-ccw-force-virtio-version-1.patch [bz#1868449] - kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch [bz#1874004] - kvm-redhat-Make-all-generated-so-files-executable-not-on.patch [bz#1876635] - Resolves: bz#1868449 (vhost_vsock error: device is modern-only, use disable-legacy=on) - Resolves: bz#1874004 (Live migration performance is poor during guest installation process on power host) - Resolves: bz#1876635 (VM fails to start with a passthrough smartcard)
57 lines
2.1 KiB
Diff
57 lines
2.1 KiB
Diff
From 5583f651d07532729bdaf9d65ede9bea18e38b5d Mon Sep 17 00:00:00 2001
|
|
From: Laurent Vivier <lvivier@redhat.com>
|
|
Date: Mon, 28 Sep 2020 11:06:48 -0400
|
|
Subject: [PATCH 5/6] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s)
|
|
|
|
RH-Author: Laurent Vivier <lvivier@redhat.com>
|
|
Message-id: <20200928110648.342290-1-lvivier@redhat.com>
|
|
Patchwork-id: 98494
|
|
O-Subject: [RHEL-AV-8.3.0 qemu-kvm PATCH] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s)
|
|
Bugzilla: 1874004
|
|
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
RH-Acked-by: Daniel P. Berrange <berrange@redhat.com>
|
|
RH-Acked-by: Greg Kurz <gkurz@redhat.com>
|
|
|
|
max-bandwidth is set by default to 32 MiB/s (256 Mib/s)
|
|
since 2008 (5bb7910af031c).
|
|
|
|
Most of the CPUs can dirty memory faster than that now,
|
|
and this is clearly a problem with POWER where the page
|
|
size is 64 kiB and not 4 KiB.
|
|
|
|
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
|
|
Message-Id: <20200921144957.979989-1-lvivier@redhat.com>
|
|
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
|
|
Reviewed-by: Greg Kurz <groug@kaod.org>
|
|
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
(cherry picked from commit 7590a2ae091fde8bb72d5df93977ab9707e23242)
|
|
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
|
|
|
|
BREW: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=31576368
|
|
BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1874004
|
|
Upstream: Merged
|
|
Tested: checked a migration while an installation is running can end
|
|
before the end of installation
|
|
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
|
|
---
|
|
migration/migration.c | 2 +-
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
|
|
|
diff --git a/migration/migration.c b/migration/migration.c
|
|
index 7a89ce39a76..8193f33f768 100644
|
|
--- a/migration/migration.c
|
|
+++ b/migration/migration.c
|
|
@@ -57,7 +57,7 @@
|
|
#include "qemu/queue.h"
|
|
#include "multifd.h"
|
|
|
|
-#define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling */
|
|
+#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */
|
|
|
|
/* Amount of time to allocate to each "chunk" of bandwidth-throttled
|
|
* data. */
|
|
--
|
|
2.27.0
|
|
|