On 10/27/18 at 12:12pm, Borislav Petkov wrote: > On Sat, Oct 27, 2018 at 05:39:17PM +0800, Baoquan He wrote: > > Not very sure about this, we have arch_crash_save_vmcoreinfo() in > > arch/x86/kernel/machine_kexec_64.c to export arch-specific stuffs > > outside. Is there any special reason about a mask in one architecture > > when expose it out? > > Yes, we don't export random arch-specific details to the outside which > we then cannot change later. So vmcoreinfo needs to define its own. OK, then it's fine to get the bit number, e.g calling find_first_bit(sme_me_mask, BITS_PER_LONG), and export it to vmcoreinfo. Thanks. _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
