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authorGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
commitb1e50ebcf24668e57f058deb48b0704b5391ed0f (patch)
tree17e1b69b249d0738317b732186340c9dd053f1a1 /arch/powerpc/mm/pgtable_64.c
parent0c2a2ae32793e3500a15a449612485f5d17dd431 (diff)
parent7e125f7b9cbfce4101191b8076d606c517a73066 (diff)
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Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
-rw-r--r--arch/powerpc/mm/pgtable_64.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index d95679a5fb29..d050fc8d9714 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -265,6 +265,14 @@ void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size,
/* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
flags &= ~(_PAGE_USER | _PAGE_EXEC);
+#ifdef _PAGE_BAP_SR
+ /* _PAGE_USER contains _PAGE_BAP_SR on BookE using the new PTE format
+ * which means that we just cleared supervisor access... oops ;-) This
+ * restores it
+ */
+ flags |= _PAGE_BAP_SR;
+#endif
+
if (ppc_md.ioremap)
return ppc_md.ioremap(addr, size, flags, caller);
return __ioremap_caller(addr, size, flags, caller);