On Wed, Nov 02, 2022 at 12:05:30AM +0100, Ahelenia Ziemiańska wrote: > The only user is arch/mips/sgi-ip27/ip27-nmi.c; this file was imported > wholesale in 2.3.99pre9-1, and received only whitespace updates since > then. > > NMI_MAGIC isn't a magic number; it's unclear if it's actually used by > the firmware in some capacity or if it's a holdover from copying the SGI > code, but in the former case it's API and in the latter it's dead cruft. it's used by firmware and Linux code to register the NMI exception handler. Please leave arch/mips/include/asm/sn/nmi.h untouched as it's documents firmware NMI handler usage (even when we don't use it, yet). Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]