powerpc: Add function to copy mm_context_t to the paca
This adds a function to copy the mm->context to the paca. This is
only a basic conversion for now but will be used more extensively in
the next patch.
This also adds #ifdef CONFIG_PPC_BOOK3S around this code since it's
not used elsewhere.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 4233dcc..03279ea 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -882,7 +882,8 @@
slice_set_range_psize(mm, addr, 1, MMU_PAGE_4K);
copro_flush_all_slbs(mm);
if ((get_paca_psize(addr) != MMU_PAGE_4K) && (current->mm == mm)) {
- get_paca()->context = mm->context;
+
+ copy_mm_to_paca(&mm->context);
slb_flush_and_rebolt();
}
}
@@ -949,7 +950,7 @@
{
if (user_region) {
if (psize != get_paca_psize(ea)) {
- get_paca()->context = mm->context;
+ copy_mm_to_paca(&mm->context);
slb_flush_and_rebolt();
}
} else if (get_paca()->vmalloc_sllp !=