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Red Hat Bugzilla – Attachment 293483 Details for
Bug 425471
[RHEL5.2]: Under load, an i386 PV guest on i386 HV will hang during save/restore
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vcpu-init stack overflow patch
hotplug-vcpu-stack-overflow.patch (text/plain), 609 bytes, created by
Don Dutile (Red Hat)
on 2008-01-30 20:46:05 UTC
(
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Description:
vcpu-init stack overflow patch
Filename:
MIME Type:
Creator:
Don Dutile (Red Hat)
Created:
2008-01-30 20:46:05 UTC
Size:
609 bytes
patch
obsolete
>--- linux-2.6.18.noarch/drivers/xen/core/smpboot.c.orig 2008-01-30 12:13:41.000000000 -0500 >+++ linux-2.6.18.noarch/drivers/xen/core/smpboot.c 2008-01-30 15:41:59.000000000 -0500 >@@ -160,9 +160,14 @@ static void cpu_bringup_and_idle(void) > cpu_idle(); > } > >+/* >+ * too big for stack... >+ * assume cpu_initialize_context() only run sequentially, never in parallel >+ */ >+static vcpu_guest_context_t ctxt; >+ > static void cpu_initialize_context(unsigned int cpu) > { >- vcpu_guest_context_t ctxt; > struct task_struct *idle = idle_task(cpu); > #ifdef __x86_64__ > struct desc_ptr *gdt_descr = &cpu_gdt_descr[cpu];
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