[RFC PATCH -V2 19/21] powerpc/THP: hypervisor require few WIMG bit set

Aneesh Kumar K.V aneesh.kumar at linux.vnet.ibm.com
Fri Feb 22 03:47:26 EST 2013


From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>

Without this insert will return H_PARAMETER error. Also use
the signed variant when printing error.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
---
 arch/powerpc/mm/largepage-hash64.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/mm/largepage-hash64.c b/arch/powerpc/mm/largepage-hash64.c
index 2a5fc39..20a626e 100644
--- a/arch/powerpc/mm/largepage-hash64.c
+++ b/arch/powerpc/mm/largepage-hash64.c
@@ -123,6 +123,8 @@ repeat:
 		/* Add in WIMG bits. FIXME!! enabled by default */
 		rflags |= (new_pmd & (_PAGE_WRITETHRU | _PAGE_NO_CACHE |
 				      _PAGE_COHERENT | _PAGE_GUARDED));
+#else
+		rflags |= _PAGE_COHERENT;
 #endif
 		/* Insert into the hash table, primary slot */
 		slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0,
-- 
1.7.10



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