Messages in this thread | | | Date | Tue, 21 Oct 2008 08:39:49 -0700 | From | Randy Dunlap <> | Subject | Re: Fix for genalloc locking |
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On Fri, 17 Oct 2008 16:43:12 +1000 Iwo Mergler wrote:
> Hi, > > I hit a little problem while using genalloc with a mix > of interrupt/non-interrupt context. I believe the correct > fix is to replace the locking calls with the _irqsave/_irqrestore > variants. Patch follows. > > Is this correct? > > BTW, is there any documentation on the Lockdep warnings? > What exactly is the meaning of {--+.} in > > (&pool->lock){--+.}, at: [<c0125d1c>] gen_pool_free+0x34/0x120
Did you read Documentation/lockdep-design.txt ?
--- ~Randy
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