[PATCH 6/6 v2] KVM: PPC: Book3E: Enable e6500 core
Mihai Caraman
mihai.caraman at freescale.com
Tue Jul 1 01:34:57 EST 2014
Now that AltiVec support is in place enable e6500 core.
Signed-off-by: Mihai Caraman <mihai.caraman at freescale.com>
---
v2:
- no changes
arch/powerpc/kvm/e500mc.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c
index c60b653..0bc9684 100644
--- a/arch/powerpc/kvm/e500mc.c
+++ b/arch/powerpc/kvm/e500mc.c
@@ -177,6 +177,16 @@ int kvmppc_core_check_processor_compat(void)
r = 0;
else if (strcmp(cur_cpu_spec->cpu_name, "e5500") == 0)
r = 0;
+#ifdef CONFIG_ALTIVEC
+ /*
+ * Since guests have the priviledge to enable AltiVec, we need AltiVec
+ * support in the host to save/restore their context.
+ * Don't use CPU_FTR_ALTIVEC to identify cores with AltiVec unit
+ * because it's cleared in the absence of CONFIG_ALTIVEC!
+ */
+ else if (strcmp(cur_cpu_spec->cpu_name, "e6500") == 0)
+ r = 0;
+#endif
else
r = -ENOTSUPP;
--
1.7.11.7
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