powerpc/book3e: Fix TLBCAM preset at boot
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Mon, 15 Nov 2021 09:05:32 +0000 (10:05 +0100)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 16 Nov 2021 10:20:59 +0000 (21:20 +1100)
Commit 52bda69ae8b5 ("powerpc/fsl_booke: Tell map_mem_in_cams() if
init is done") was supposed to just add an additional parameter to
map_mem_in_cams() and always set it to 'true' at that time.

But a few call sites were messed up. Fix them.

Fixes: 52bda69ae8b5 ("powerpc/fsl_booke: Tell map_mem_in_cams() if init is done")
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d319f2a9367d4d08fd2154e506101bd5f100feeb.1636967119.git.christophe.leroy@csgroup.eu
arch/powerpc/mm/nohash/kaslr_booke.c
arch/powerpc/mm/nohash/tlb.c

index 8fc49b1..6ec9789 100644 (file)
@@ -314,7 +314,7 @@ static unsigned long __init kaslr_choose_location(void *dt_ptr, phys_addr_t size
                pr_warn("KASLR: No safe seed for randomizing the kernel base.\n");
 
        ram = min_t(phys_addr_t, __max_low_memory, size);
-       ram = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, true, false);
+       ram = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, true, true);
        linear_sz = min_t(unsigned long, ram, SZ_512M);
 
        /* If the linear size is smaller than 64M, do not randmize */
index 89353d4..647bf45 100644 (file)
@@ -645,7 +645,7 @@ static void early_init_this_mmu(void)
 
                if (map)
                        linear_map_top = map_mem_in_cams(linear_map_top,
-                                                        num_cams, true, true);
+                                                        num_cams, false, true);
        }
 #endif
 
@@ -766,7 +766,7 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
                num_cams = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) / 4;
 
                linear_sz = map_mem_in_cams(first_memblock_size, num_cams,
-                                           false, true);
+                                           true, true);
 
                ppc64_rma_size = min_t(u64, linear_sz, 0x40000000);
        } else