ppc/85xx: Map boot page guarded for MP boot
We already map the page cache-inhibited. There is no reason we
shouldn't also be marking it guarded to prevent speculative accesses.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/mp.c b/cpu/mpc85xx/mp.c
index 8568f5d..6530cb1 100644
--- a/cpu/mpc85xx/mp.c
+++ b/cpu/mpc85xx/mp.c
@@ -312,7 +312,7 @@
disable_tlb(i);
set_tlb(1, CONFIG_BPTR_VIRT_ADDR, bootpg, /* tlb, epn, rpn */
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I, /* perms, wimge */
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
0, i, BOOKE_PAGESZ_4K, 1); /* ts, esel, tsize, iprot */
memcpy((void *)CONFIG_BPTR_VIRT_ADDR, (void *)fixup, 4096);
