| Date | Fri, 13 Mar 2009 18:10:49 -0700 | From | Greg KH <> | Subject | [patch 072/114] xen: disable interrupts early, as start_kernel expects |
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2.6.28-stable review patch. If anyone has any objections, please let us know.
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From: Jeremy Fitzhardinge <jeremy@goop.org>
commit 55d8085671863fe4ee6a17b7814bd38180a44e1d upstream.
This avoids a lockdep warning from: if (DEBUG_LOCKS_WARN_ON(unlikely(!early_boot_irqs_enabled))) return; in trace_hardirqs_on_caller();
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Mark McLoughlin <markmc@redhat.com> Cc: Xen-devel <xen-devel@lists.xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- arch/x86/xen/enlighten.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1669,6 +1669,9 @@ asmlinkage void __init xen_start_kernel( possible map and a non-dummy shared_info. */ per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0]; + local_irq_disable(); + early_boot_irqs_off(); + xen_raw_console_write("mapping kernel into physical memory\n"); pgd = xen_setup_kernel_pagetable(pgd, xen_start_info->nr_pages);
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