[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] x86/MSI: fix dump_msi() after c/s 24068:6928172f7ded
The function must not blindly take the lock on IRQ descriptors. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> --- a/xen/arch/x86/msi.c +++ b/xen/arch/x86/msi.c @@ -1076,6 +1076,9 @@ static void dump_msi(unsigned char key) unsigned long flags; char type; + if ( !irq_desc_initialized(desc) ) + continue; + spin_lock_irqsave(&desc->lock, flags); entry = desc->msi_desc; Attachment:
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