Messages in this thread | | | Date | Wed, 28 Jan 2009 11:56:09 -0500 (EST) | From | Steven Rostedt <> | Subject | Re: Buggy IPI and MTRR code on low memory |
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On Wed, 28 Jan 2009, Peter Zijlstra wrote:
> On Wed, 2009-01-28 at 11:38 -0500, Steven Rostedt wrote: > > > The problem is that if we use the stack, then we must wait for the > > function to finish. But in the mtrr code, the called functions are waiting > > for the caller to do something after the smp_call_function. Thus we > > deadlock! > > You'd have to 'fix' the regular fallback paths to use your scheme as > well.
Not sure what you mean by that. I booted just fine with the patch, and forcing data to NULL. Although, I'm not saying that these should not be fixed.
-- Steve
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