linux-kernel - [PATCH] ehea: Fix memory hotplug handling

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Message-Id: <200902191232.12152.tklein@de.ibm.com>
Date:	Thu, 19 Feb 2009 12:32:11 +0100
From:	Thomas Klein <tklein@...ibm.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Christoph Raisch <raisch@...ibm.com>,
	Hannes Hering <hering2@...ibm.com>,
	"Jan-Bernd Themann" <themann@...ibm.com>,
	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"linux-ppc" <linuxppc-dev@...abs.org>,
	netdev <netdev@...r.kernel.org>
Subject: [PATCH] ehea: Fix memory hotplug handling

Added missing set_bit() to disable data transfer when a memchange notification is handled

Signed-off-by: Thomas Klein <tklein@...ibm.com>
---
diff -Nurp -X dontdiff linux-2.6.29-rc4/drivers/net/ehea/ehea.h patched_kernel/drivers/net/ehea/ehea.h
--- linux-2.6.29-rc4/drivers/net/ehea/ehea.h	2009-02-18 16:59:54.000000000 +0100
+++ patched_kernel/drivers/net/ehea/ehea.h	2009-02-18 17:01:12.000000000 +0100
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"ehea"
-#define DRV_VERSION	"EHEA_0098"
+#define DRV_VERSION	"EHEA_0099"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1
diff -Nurp -X dontdiff linux-2.6.29-rc4/drivers/net/ehea/ehea_main.c patched_kernel/drivers/net/ehea/ehea_main.c
--- linux-2.6.29-rc4/drivers/net/ehea/ehea_main.c	2009-02-18 16:59:54.000000000 +0100
+++ patched_kernel/drivers/net/ehea/ehea_main.c	2009-02-18 17:01:12.000000000 +0100
@@ -3517,12 +3517,14 @@ static int ehea_mem_notifier(struct noti
 		/* Readd canceled memory block */
 	case MEM_ONLINE:
 		ehea_info("memory is going online");
+		set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
 		if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages))
 			return NOTIFY_BAD;
 		ehea_rereg_mrs(NULL);
 		break;
 	case MEM_GOING_OFFLINE:
 		ehea_info("memory is going offline");
+		set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
 		if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages))
 			return NOTIFY_BAD;
 		ehea_rereg_mrs(NULL);
--
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