On 08/02/16 16:36, Ian Campbell wrote: > On Mon, 2016-02-08 at 16:23 +0000, Tim Deegan wrote: >> At 13:42 +0000 on 05 Feb (1454679737), Andrew Cooper wrote: >>> The type of the pointer to a bitmap is not interesting; it does not >>> affect the >>> representation of the block of bits being pointed to. >> It does affect the alignment, though. Is this safe on ARM? > Good point. These constructs in the patch: > > + const unsigned long *addr = _addr; > > Would be broken if _addr were not suitably aligned for an unsigned long. > > That probably rules out this approach unfortunately.
What about reworking libxc bitops in terms of unsigned char? That should cover all alignment issues. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
