Attachment 160464 Details for Bug 250420 – Patch that fixes the crash for me

[patch] Patch that fixes the crash for me

save-restore.patch (text/plain), 2.37 KB, created by Chris Lalancette on 2007-08-01 20:58:32 UTC

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Creator: Chris Lalancette

Created: 2007-08-01 20:58:32 UTC

Size: 2.37 KB

patch

obsolete

>diff -urp /home/boston/clalance/cvs/redhat/kernel/RHEL-5/kernel-2.6.18/linux-2.6.18.noarch/drivers/xen/core/reboot.c linux-2.6.18.noarch/drivers/xen/core/reboot.c
>--- /home/boston/clalance/cvs/redhat/kernel/RHEL-5/kernel-2.6.18/linux-2.6.18.noarch/drivers/xen/core/reboot.c	2007-08-01 12:00:27.000000000 -0400
>+++ linux-2.6.18.noarch/drivers/xen/core/reboot.c	2007-08-01 11:43:26.000000000 -0400
>@@ -117,6 +117,10 @@ static void post_suspend(void)
> 	extern unsigned long *pfn_to_mfn_frame_list_list;
> 	extern unsigned long *pfn_to_mfn_frame_list[];
> 
>+#ifdef CONFIG_SMP
>+	cpu_initialized_map = cpu_online_map;
>+#endif
>+
> 	set_fixmap(FIX_SHARED_INFO, xen_start_info->shared_info);
> 
> 	HYPERVISOR_shared_info = (shared_info_t *)fix_to_virt(FIX_SHARED_INFO);
>diff -urp /home/boston/clalance/cvs/redhat/kernel/RHEL-5/kernel-2.6.18/linux-2.6.18.noarch/drivers/xen/core/smpboot.c linux-2.6.18.noarch/drivers/xen/core/smpboot.c
>--- /home/boston/clalance/cvs/redhat/kernel/RHEL-5/kernel-2.6.18/linux-2.6.18.noarch/drivers/xen/core/smpboot.c	2007-08-01 12:00:57.000000000 -0400
>+++ linux-2.6.18.noarch/drivers/xen/core/smpboot.c	2007-08-01 11:37:23.000000000 -0400
>@@ -252,6 +252,8 @@ void __init smp_prepare_cpus(unsigned in
> 
> 	xen_smp_intr_init(0);
> 
>+	cpu_initialized_map = cpumask_of_cpu(0);
>+
> 	/* Restrict the possible_map according to max_cpus. */
> 	while ((num_possible_cpus() > 1) && (num_possible_cpus() > max_cpus)) {
> 		for (cpu = NR_CPUS-1; !cpu_isset(cpu, cpu_possible_map); cpu--)
>@@ -304,8 +306,6 @@ void __init smp_prepare_cpus(unsigned in
> #else
> 		cpu_set(cpu, cpu_present_map);
> #endif
>-
>-		cpu_initialize_context(cpu);
> 	}
> 
> 	init_xenbus_allowed_cpumask();
>diff -urp /home/boston/clalance/cvs/redhat/kernel/RHEL-5/kernel-2.6.18/linux-2.6.18.noarch/include/xen/cpu_hotplug.h linux-2.6.18.noarch/include/xen/cpu_hotplug.h
>--- /home/boston/clalance/cvs/redhat/kernel/RHEL-5/kernel-2.6.18/linux-2.6.18.noarch/include/xen/cpu_hotplug.h	2007-08-01 12:00:57.000000000 -0400
>+++ linux-2.6.18.noarch/include/xen/cpu_hotplug.h	2007-08-01 11:39:25.000000000 -0400
>@@ -4,6 +4,13 @@
> #include <linux/kernel.h>
> #include <linux/cpumask.h>
> 
>+#if defined(CONFIG_X86) && defined(CONFIG_SMP)
>+extern cpumask_t cpu_initialized_map;
>+#define cpu_set_initialized(cpu) cpu_set(cpu, cpu_initialized_map)
>+#else
>+#define cpu_set_initialized(cpu) ((void)0)
>+#endif
>+
> #if defined(CONFIG_HOTPLUG_CPU)
> 
> int cpu_up_check(unsigned int cpu);

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Attachments on bug 250420: 160417 | 160464