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From: Michael Bringmann <mwb@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Michael Bringmann <mwb@linux.vnet.ibm.com>,
	Nathan Fontenot <nfont@linux.vnet.ibm.com>,
	John Allen <jallen@linux.vnet.ibm.com>,
	Tyrel Datwyler <tyreld@linux.vnet.ibm.com>,
	Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Subject: [PATCH v04 9/9] hotplug/pmt: Update topology after PMT
Date: Wed, 20 Jun 2018 19:49:48 -0500	[thread overview]
Message-ID: <8c437fe5-632c-a7ed-1f11-66c4578a1d93@linux.vnet.ibm.com> (raw)
In-Reply-To: <71195eb3-e11c-f586-d359-7026bdfd9a8a@linux.vnet.ibm.com>

[Sorry.  File error.  Previous copy was older version of file.]

hotplug/pmt: Call rebuild_sched_domains after applying changes
to update CPU associativity i.e. 'readd' CPUs.  This is to
ensure that the deferred calls to arch_update_cpu_topology are
now reflected in the system data structures.

Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/pseries/dlpar.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 4b43fec..74b6287 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -16,6 +16,7 @@
 #include <linux/notifier.h>
 #include <linux/spinlock.h>
 #include <linux/cpu.h>
+#include <linux/cpuset.h>
 #include <linux/slab.h>
 #include <linux/of.h>
 
@@ -449,6 +450,9 @@ static int dlpar_pmt(struct pseries_hp_errorlog *work)
 		kfree(tmp);
 	}
 
+	ssleep(5);
+	rebuild_sched_domains();
+
 	return 0;
 }
 

  reply	other threads:[~2018-06-21  0:49 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-21  0:28 [PATCH v04 0/9] powerpc/hotplug: Update affinity for migrated CPUs Michael Bringmann
2018-06-21  0:29 ` [PATCH v04 1/9] hotplug/cpu: Conditionally acquire/release DRC index Michael Bringmann
2018-06-21  0:29 ` [PATCH v04 2/9] hotplug/cpu: Add operation queuing function Michael Bringmann
2018-06-21  0:29 ` [PATCH v04 3/9] hotplug/cpu: Provide CPU readd operation Michael Bringmann
2018-06-21  0:29 ` [PATCH v04 4/9] mobility/numa: Ensure numa update does not overlap Michael Bringmann
2018-06-21  0:29 ` [PATCH v04 5/9] numa: Disable/enable arch_update_cpu_topology Michael Bringmann
2018-06-21  0:30 ` [PATCH v04 6/9] pmt/numa: Disable arch_update_cpu_topology during CPU readd Michael Bringmann
2018-06-21  0:30 ` [PATCH v04 7/9] powerpc/rtas: Allow disabling rtas_event_scan Michael Bringmann
2018-06-21  0:30 ` [PATCH v04 8/9] hotplug/rtas: No rtas_event_scan during PMT update Michael Bringmann
2018-06-21  0:30 ` [PATCH v04 9/9] hotplug/pmt: Update topology after PMT Michael Bringmann
2018-06-21  0:49   ` Michael Bringmann [this message]
2018-06-21  2:13   ` kbuild test robot
2018-06-21 19:37     ` Michael Bringmann
2018-06-21 19:37     ` Michael Bringmann

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