[ros-dev] ASSERT_IRQL and unrelated mm/mdl.c

art yerkes ayerkes at speakeasy.net
Wed Sep 29 09:15:47 CEST 2004


On Wed, 29 Sep 2004 09:01:55 +0100
David Welch <welch at cwcom.net> wrote:

> On Tue, Sep 28, 2004 at 11:16:35PM -0500, art yerkes wrote:
> > There are a couple of other places where MmNotPresentFault is called
> > (section.c) within a MmLockAddressSpace.  Another idea would be to give
> > MmNotPresentFault and MmAccessFault an extra argument so they can ignore
> > locking if the address space is already locked.
> >
> Isn't that what already happens? The FromMdl argument. And isn't the address
> space lock a fast mutex not a spinlock?

It wasn't always honored but Hartmut fixed it in mm/mm.c without my noticing
(1.76).  Sorry I fell behind.
-- 
Hey, Adam Smith, keep your invisible hands to yourself!


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