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[PULL,21/24] KVM: PPC: Book3E: Enable e6500 core

Message ID 1411591418-56061-22-git-send-email-agraf@suse.de (mailing list archive)
State New, archived
Headers show

Commit Message

Alexander Graf Sept. 24, 2014, 8:43 p.m. UTC 
From: Mihai Caraman <mihai.caraman@freescale.com>

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>
---
 arch/powerpc/kvm/e500mc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c
index bf8f99f..2fdc872 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;