[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] x86/MSI: fix dump_msi() after c/s 24068:6928172f7ded
# HG changeset patch # User Jan Beulich <jbeulich@xxxxxxxx> # Date 1320831380 -3600 # Node ID 33215c3868a181c17dda1d0629d767d5b9c8a0f0 # Parent fb1b32c9d03dfa5af4014688556a97805b118ac9 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> --- diff -r fb1b32c9d03d -r 33215c3868a1 xen/arch/x86/msi.c --- a/xen/arch/x86/msi.c Tue Nov 08 19:41:47 2011 +0000 +++ b/xen/arch/x86/msi.c Wed Nov 09 10:36:20 2011 +0100 @@ -1076,6 +1076,9 @@ unsigned long flags; char type; + if ( !irq_desc_initialized(desc) ) + continue; + spin_lock_irqsave(&desc->lock, flags); entry = desc->msi_desc; _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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