From: Guenter Roeck <linux@xxxxxxxxxxxx> Date: Fri, 9 Jun 2017 15:34:46 -0700 > Hi Greg, > > [ just in case 0day didn't report it yet ] > > sparc64 builds fail in v4.4-stable-queue with > > arch/sparc/lib/multi3.S:2:24: fatal error: > asm/export.h: No such file or directory > > This is with v4.4.71-20-gff35505 when building any sparc64 image. > > Culprit is "sparc64: Add __multi3 for gcc 7.x and later". > Presumably some context patch is missing. Copying the author > and Dave. Greg, a backport to 4.4 needs to export the symbol via arch/sparc/kernel/sparc64_ksyms.c or whatever it used to be called when we couldn't export symbols via assembler.