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Interesting. Might be worth giving a try again to the idea of creating the file in anonymous memory and using a write to output it. Cheers, Rafael On 23 November 2016 at 02:41, Sean Silva via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > > On Wed, Nov 16, 2016 at 12:44 PM, Rui Ueyama via llvm-dev > <llvm-dev at lists.llvm.org> wrote: >> >> LLD supports

...th: ''/dev/da2'' children[2]: path: ''/dev/da3'' children[3]: path: ''/dev/da4'' children[4]: path: ''/dev/da5'' zpool import -F doesnt help because none of the labels on the unfaulted disks seem to have the right label. And unless I can import the pool I cant replace the bad drive. Also zpool seems to really not want to import a raidz1 pool with one faulted drive even though that should be readable. I have read about the undocumented -V option but dont know if that would he...

The patch deals with the situation which guest OS uses unused page table pages as data pages and write data to them. The pages will still be grabbed by Xen as page table pages, and lots of unnecessary page faults occur. The patch will check if the data guest writes to the page table contains valid mfn or not, if not, we believe it is a data page now and then unshadow the page. The patch