Thread (6 messages) 6 messages, 2 authors, 2018-06-19
STALE2933d

[PATCH 1/3] ARM: mmu: Setup MT_MEMORY and MT_MEMORY_NONACHED L1 entries

From: Russell King - ARM Linux <hidden>
Date: 2010-08-08 11:34:04
Also in: linux-omap

On Sun, Aug 08, 2010 at 03:47:52PM +0530, Santosh Shilimkar wrote:
quoted hunk ↗ jump to hunk
@@ -475,6 +486,9 @@ static void __init build_mem_type_table(void)
 	mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask;
 	mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask;
 	mem_types[MT_MEMORY].prot_sect |= ecc_mask | cp->pmd;
+	mem_types[MT_MEMORY].prot_pte |= kern_pgprot;
+	mem_types[MT_MEMORY_NONCACHED].prot_sect |= ecc_mask | cp->pmd;
+	mem_types[MT_MEMORY_NONCACHED].prot_pte |= kern_pgprot;
This is wrong - it will result in the non-cached memory mapped in as
sections having the same cache settings as MT_MEMORY - in other
words, probably write back.
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help