On 27/11/2019 22:44, Stefano Stabellini wrote: > Hi all, > > GCC 9 introduced a new warning: address-of-packed-member. It warns when > a pointer points to a member of a packed struct, leading to a build > failure in Xen (cross compiling Xen on Arm with GCC 9.2): > > 556 trace.c: In function '__trace_hypercall': > 557 trace.c:826:19: error: taking address of packed member of 'struct > <anonymous>' may result in an unaligned pointer value > [-Werror=address-of-packed-member] > 558 826 | uint32_t *a = d.args; > > Looking at the code, I cannot see anything wrong with what we are doing. > At least on Arm, it looks OK? Anything I am missing?
c/s 3fd3b266d4 at a guess. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
