[Xen-devel] Re: [PATCH] [VT]long event-channel pending and mask arrays

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 26 Oct 2005, at 03:19, Kamble, Nitin A wrote:

> Keir,
>   I am trying to debug the SMP dom0 boot issue on x86_64. I find the 
> changeset 7402 is breaking SMP.
>    Your patch 7402: ba9706473941520247153e7e31d89899285d09ce is 
> extending the event-channel pending and mask arrays to longs.
> I think the synch_const_test_bit should also change accordingly. This 
> does not fix the SMP issue yet, but is this the right way to fix it?
>  
sync_const_test_bit does not need to change. Note it casts the bitmap 
pointer to 'int' which is 32-bit quantity even on x86/64. So we do want 
to divide the offset by 32, not BITS_PER_LONG.
 -- Keir


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