Attachment 945226 Details for Bug 1150510 – [RHEL6.7 7/7] ACPI / memhotplug: bind the memory device when the driver is being loaded

[patch] [RHEL6.7 7/7] ACPI / memhotplug: bind the memory device when the driver is being loaded

0007-ACPI-memhotplug-bind-the-memory-device-when-the-driv.patch (text/plain), 2.33 KB, created by Igor Mammedov on 2014-10-09 08:15:44 UTC

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Creator: Igor Mammedov

Created: 2014-10-09 08:15:44 UTC

Size: 2.33 KB

patch

obsolete

>From 737c1a0a3a88893df3951336d2aa0e104b10c7fc Mon Sep 17 00:00:00 2001
>From: Igor Mammedov <imammedo@redhat.com>
>Date: Wed, 8 Oct 2014 13:01:34 +0000
>Subject: [RHEL6.7 7/7] ACPI / memhotplug: bind the memory device when the
> driver is being loaded
>
>Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1150510
>Upstream: 61d8eff14417fb6d6c5d57e4f0f7925e9e99fce3
>Brew: http://brewweb.devel.redhat.com/brew/taskinfo?taskID=8073569
>
>--
>    Author: Wen Congyang <wency@cn.fujitsu.com>  2012-11-16 01:12:38
>    ACPI / memhotplug: bind the memory device when the driver is being loaded
>
>    We had introduced acpi_hotmem_initialized to avoid strange add_memory fail
>    message.  But the memory device may not be used by the kernel, and the
>    device should be bound when the driver is being loaded.  Remove
>    acpi_hotmem_initialized to allow that the device can be bound when the
>    driver is being loaded.
>
>    Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
>    Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
>    Acked-by: David Rientjes <rientjes@google.com>
>    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>--
>
>Signed-off-by: Igor Mammedov <imammedo@redhat.com>
>---
> drivers/acpi/acpi_memhotplug.c | 12 ------------
> 1 file changed, 12 deletions(-)
>
>diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
>index 8e55edf..27fc156 100644
>--- a/drivers/acpi/acpi_memhotplug.c
>+++ b/drivers/acpi/acpi_memhotplug.c
>@@ -94,8 +94,6 @@ struct acpi_memory_device {
> 	struct list_head res_list;
> };
> 
>-static int acpi_hotmem_initialized;
>-
> static acpi_status
> acpi_memory_get_resource(struct acpi_resource *resource, void *context)
> {
>@@ -468,15 +466,6 @@ static int acpi_memory_device_add(struct acpi_device *device)
> 
> 	printk(KERN_DEBUG "%s \n", acpi_device_name(device));
> 
>-	/*
>-	 * Early boot code has recognized memory area by EFI/E820.
>-	 * If DSDT shows these memory devices on boot, hotplug is not necessary
>-	 * for them. So, it just returns until completion of this driver's
>-	 * start up.
>-	 */
>-	if (!acpi_hotmem_initialized)
>-		return 0;
>-
> 	if (!acpi_memory_check_device(mem_device)) {
> 		/* call add_memory func */
> 		result = acpi_memory_enable_device(mem_device);
>@@ -592,7 +581,6 @@ static int __init acpi_memory_device_init(void)
> 		return -ENODEV;
> 	}
> 
>-	acpi_hotmem_initialized = 1;
> 	return 0;
> }
> 
>-- 
>1.8.3.1
>

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Attachments on bug 1150510: 945218 | 945221 | 945222 | 945223 | 945224 | 945225 | 945226