On Tue, Sep 12, 2017 at 02:56:52PM +0200, Jiri Slaby wrote: > On 08/31/2017, 10:23 PM, Josh Poimboeuf wrote: > > Add unwind hint annotations to the xen head code so the ORC unwinder can > > read head_64.o. > > xen-head.S is included also in head_32.S, so we see: > arch/x86/kernel/../../x86/xen/xen-head.S:47: Error: no such instruction: > `unwind_hint_empty' > scripts/Makefile.build:413: recipe for target > 'arch/x86/kernel/head_32.o' failed > > To fix this, I use: > > --- a/arch/x86/kernel/head_32.S > +++ b/arch/x86/kernel/head_32.S > @@ -25,6 +25,7 @@ > #include <asm/bootparam.h> > #include <asm/export.h> > #include <asm/pgtable_32.h> > +#include "../entry/calling.h" > > /* Physical address */ > #define pa(X) ((X) - __PAGE_OFFSET)
Thanks. 0-day reported this as well. Will fix this in v2. -- Josh
