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Re: [patch 2.6.23-rc1] dma_free_coherent() needs irqs enabled (sigh)

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To: Russell King <rmk+lkml@...>
Cc: Linux Kernel list <linux-kernel@...>, David Miller <davem@...>
Date: Tuesday, July 24, 2007 - 8:35 pm

On Tuesday 24 July 2007, Russell King wrote:

Hardly.  Go back and read what *I* wrote!

It just took a while to notice that behavioral change, since
I don't normally run the relevant regression tests using lockdep.
It was sometime in the first half of 2006, ergo "since it was
fair to say 'last year'".

A bunch of piecemeal workarounds followed; and recently they were
all replaced with a more fundamental fix.  This doc patch was the
tail end of the process of recovering from that change ... and the
warnings are there to help other folk from seeing the same issue
in other contexts.

- Dave


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Re: [patch 2.6.23-rc1] dma_free_coherent() needs irqs enable..., David Brownell, (Tue Jul 24, 8:35 pm)
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