Hi Ralf, This patch has defined P4K bit for VR41xx. Please apply. Yoichi Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx> diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/mm/c-r4k.c mips/arch/mips/mm/c-r4k.c --- mips-orig/arch/mips/mm/c-r4k.c 2006-07-06 18:03:06.162320750 +0900 +++ mips/arch/mips/mm/c-r4k.c 2006-07-06 18:03:13.127272250 +0900 @@ -862,7 +862,7 @@ static void __init probe_pcache(void) break; case CPU_VR4133: - write_c0_config(config & ~CONF_EB); + write_c0_config(config & ~VR41_CONF_P4K); case CPU_VR4131: /* Workaround for cache instruction bug of VR4131 */ if (c->processor_id == 0x0c80U || c->processor_id == 0x0c81U || diff -pruN -X mips/Documentation/dontdiff mips-orig/include/asm-mips/mipsregs.h mips/include/asm-mips/mipsregs.h --- mips-orig/include/asm-mips/mipsregs.h 2006-07-06 17:49:45.931927750 +0900 +++ mips/include/asm-mips/mipsregs.h 2006-07-06 18:09:30.443242500 +0900 @@ -470,6 +470,7 @@ /* Bits specific to the VR41xx. */ #define VR41_CONF_CS (_ULCAST_(1) << 12) +#define VR41_CONF_P4K (_ULCAST_(1) << 13) #define VR41_CONF_BP (_ULCAST_(1) << 16) #define VR41_CONF_M16 (_ULCAST_(1) << 20) #define VR41_CONF_AD (_ULCAST_(1) << 23)