Richard Sandiford's new code for inserting the cache-barriers, for GCC 4.3 and above and already incorporated in the current GCC-release, uses a slightly different option-syntax. (Accordingly i extended the patches for older GCC-releases to accept both styles) Signed-off-by: peter fuerst <post@xxxxxxxx> --- git/arch/mips/Makefile Thu May 14 12:50:28 2009 +++ wrk/arch/mips/Makefile Sun May 17 23:14:10 2009 @@ -473,12 +473,12 @@ # Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys # ifdef CONFIG_SGI_IP28 - ifeq ($(call cc-option-yn,-mr10k-cache-barrier=1), n) - $(error gcc doesn't support needed option -mr10k-cache-barrier=1) + ifeq ($(call cc-option-yn,-mr10k-cache-barrier=store), n) + $(error gcc doesn't support needed option -mr10k-cache-barrier=store) endif endif core-$(CONFIG_SGI_IP28) += arch/mips/sgi-ip22/ -cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=1 -I$(srctree)/arch/mips/include/asm/mach-ip28 +cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28 load-$(CONFIG_SGI_IP28) += 0xa800000020004000 #