Re: [PATCH] Fix lazy mode vmalloc synchronization for paravirt

2007-08-21 Thread Zachary Amsden
Jeremy Fitzhardinge wrote: No, under Xen the kernel/hypervisor PMD is not shared between processes, so this is still used when PAE is enabled. Ahh, yes. So this was a lucky catch for us. Non-PAE kernels seem to be increasing in value at antique sales. Zach - To unsubscribe from this li

Re: [PATCH] Fix lazy mode vmalloc synchronization for paravirt

2007-08-21 Thread Jeremy Fitzhardinge
Zachary Amsden wrote: > Found this looping Ubuntu installs with VMI. > > If unlucky enough to hit a vmalloc sync fault during a lazy mode > operation (from an IRQ handler for a module which was not yet > populated in current page directory, or from inside copy_one_pte, > which touches swap_map, and

[PATCH] Fix lazy mode vmalloc synchronization for paravirt

2007-08-21 Thread Zachary Amsden
Found this looping Ubuntu installs with VMI. If unlucky enough to hit a vmalloc sync fault during a lazy mode operation (from an IRQ handler for a module which was not yet populated in current page directory, or from inside copy_one_pte, which touches swap_map, and hit in an unused 4M region),