On Mon, Oct 15, 2018 at 11:36:16AM +0100, Andrew Cooper wrote: > In particular, initialising %dr6 with the value 0 is buggy, because on > hardware supporting Transnational Memory, it will cause the sticky RTM bit to > be asserted, even though a debug exception from a transaction hasn't actually > been observed. > > Move X86_DR6_DEFAULT into x86-defns.h along with the other architectural > register constants, and introduce a new X86_DR7_DEFAULT. Use the existing > write_debugreg() helper, rather than opencoded inline assembly. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > Reviewed-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Roger Pau Monné <roger....@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel