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kernel-doc-html-2.4.19-16mdk.i586.rpm

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>Recipes for Deadlock</H1
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>   You cannot call any routines which may sleep, unless:
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>     You are in user context.
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>     You do not own any spinlocks.
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>     You have interrupts enabled (actually, Andi Kleen says
     that the scheduling code will enable them for you, but
     that's probably not what you wanted).
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>   Note that some functions may sleep implicitly: common ones are
   the user space access functions (*_user) and memory allocation
   functions without <SPAN
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>GFP_ATOMIC</SPAN
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>   You will eventually lock up your box if you break these rules.  
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>   Really.
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