summaryrefslogtreecommitdiff
path: root/arch/powerpc/kvm/book3s_64_slb.S
diff options
context:
space:
mode:
authorAnton Blanchard <anton@samba.org>2013-08-06 16:01:46 (GMT)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 05:33:35 (GMT)
commit7ffcf8ec26f4b94b95b1297131d223b121d951e5 (patch)
tree7b4b47eaeafe56c253350b14470fecf03b40277f /arch/powerpc/kvm/book3s_64_slb.S
parentc72cd555e828b710bce8c3635254dbb483397142 (diff)
downloadlinux-fsl-qoriq-7ffcf8ec26f4b94b95b1297131d223b121d951e5.tar.xz
powerpc: Fix little endian lppaca, slb_shadow and dtl_entry
The lppaca, slb_shadow and dtl_entry hypervisor structures are big endian, so we have to byte swap them in little endian builds. LE KVM hosts will also need to be fixed but for now add an #error to remind us. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_slb.S')
-rw-r--r--arch/powerpc/kvm/book3s_64_slb.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_slb.S b/arch/powerpc/kvm/book3s_64_slb.S
index 4f0caec..4f12e8f 100644
--- a/arch/powerpc/kvm/book3s_64_slb.S
+++ b/arch/powerpc/kvm/book3s_64_slb.S
@@ -17,6 +17,10 @@
* Authors: Alexander Graf <agraf@suse.de>
*/
+#ifdef __LITTLE_ENDIAN__
+#error Need to fix SLB shadow accesses in little endian mode
+#endif
+
#define SHADOW_SLB_ESID(num) (SLBSHADOW_SAVEAREA + (num * 0x10))
#define SHADOW_SLB_VSID(num) (SLBSHADOW_SAVEAREA + (num * 0x10) + 0x8)
#define UNBOLT_SLB_ENTRY(num) \