All current 85xx/e500 implementations only have two TLB arrays. We are wasting cycles by invalidating TLB2 and TLB3.
--- arch/powerpc/kernel/misc_32.S | 10 ---------- 1 files changed, 0 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index be09f0d..5c2e253 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -275,12 +275,6 @@ _GLOBAL(_tlbia) /* Invalidate all entries in TLB1 */ li r3, 0x0c tlbivax 0,3 - /* Invalidate all entries in TLB2 */ - li r3, 0x14 - tlbivax 0,3 - /* Invalidate all entries in TLB3 */ - li r3, 0x1c - tlbivax 0,3 msync #ifdef CONFIG_SMP tlbsync @@ -375,12 +369,8 @@ _GLOBAL(_tlbie) #elif defined(CONFIG_FSL_BOOKE) rlwinm r4, r3, 0, 0, 19 ori r5, r4, 0x08 /* TLBSEL = 1 */ - ori r6, r4, 0x10 /* TLBSEL = 2 */ - ori r7, r4, 0x18 /* TLBSEL = 3 */ tlbivax 0, r4 tlbivax 0, r5 - tlbivax 0, r6 - tlbivax 0, r7 msync #if defined(CONFIG_SMP) tlbsync -- 1.5.3.7 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev