Thread (15 messages) 15 messages, 9 authors, 2004-10-12

Re: BUG or not? GFP_KERNEL with interrupts disabled.

From: David S. Miller <hidden>
Date: 2003-03-27 14:05:19
Also in: lkml

   From: Trond Myklebust [off-list ref]
   Date: 27 Mar 2003 15:11:56 +0100

        > IRQ disabling is meant to be stronger than softint disabling.
   
   In that case, you'll need to have things like spin_lock_irqrestore()
   call local_bh_enable() in order to run the pending softirqs. Is that
   worth the trouble?

"trouble" is a weird word to use when the current behavior is
just wrong. :-)

My point is that it doesn't matter what the fix is, running
softints while hw IRQs are disabled must be fixed.
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