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authorMihai Caraman <mihai.caraman@freescale.com>2014-09-01 11:01:59 +0200
committerAlexander Graf <agraf@suse.de>2014-09-22 10:11:35 +0200
commitd2ca32a2d4f029b90e4b8f67879a9dfead0c85fa (patch)
tree33f51e56a97910a6df7dfe3eff4ed67cbf96cb59 /arch/powerpc/kvm
parentKVM: PPC: e500mc: Add support for single threaded vcpus on e6500 core (diff)
downloadlinux-d2ca32a2d4f029b90e4b8f67879a9dfead0c85fa.tar.xz
linux-d2ca32a2d4f029b90e4b8f67879a9dfead0c85fa.zip
KVM: PPC: Book3E: Enable e6500 core
Now that AltiVec and hardware thread support is in place enable e6500 core. Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/e500mc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c
index bf8f99f6676a..2fdc8722e324 100644
--- a/arch/powerpc/kvm/e500mc.c
+++ b/arch/powerpc/kvm/e500mc.c
@@ -180,6 +180,16 @@ 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;