On Mon, 2013-11-11 at 12:50 +0000, Stefano Stabellini wrote: > Some common Xen drivers, like balloon.c, call pfn_to_mfn and mfn_to_pfn > even for autotranslate guests, expecting the argument back. > The following commit broke these drivers by changing the behavior of > pfn_to_mfn and mfn_to_pfn: > > commit 4a19138c6505e224d9f4cc2fe9ada9188d7100ea > Author: Stefano Stabellini <[email protected]> > Date: Thu Oct 17 16:22:27 2013 +0000 > > arm/xen,arm64/xen: introduce p2m > > They now return INVALID_P2M_ENTRY if Linux doesn't actually know what is > the mfn backing a pfn or what is the pfn corresponding to an mfn. > Fix the regression by switching to the old behavior. > > Signed-off-by: Stefano Stabellini <[email protected]>
Acked-by: Ian Campbell <[email protected]> I tripped over this on Friday and my local hack was identical, hence also: Tested-by: Ian Campbell <[email protected]> Ian. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

