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qemu/0036-PPC-KVM-Ignore-SET_ONE_REG-failures.patch

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From f0fd80de8f15efc091751f2e9bf4c2276ba058b3 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 10 Jan 2012 16:25:27 +0100
Subject: [PATCH] PPC: KVM: Ignore SET_ONE_REG failures
The SET_ONE_REG interface didn't make it upstream in the form that is used
in qemu-1.0, so the code won't work. Make the error a warning, so we can
at least use the HV target.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
target-ppc/kvm.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 0410901..6c6278a 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -759,7 +759,10 @@ void kvmppc_set_papr(CPUState *env)
reg.u.reg64 = env->spr[SPR_HIOR];
ret = kvm_vcpu_ioctl(env, KVM_SET_ONE_REG, &reg);
if (ret) {
- goto fail;
+ fprintf(stderr, "Couldn't set HIOR. Maybe you're running an old \n"
+ "kernel with support for HV KVM but no PAPR PR \n"
+ "KVM in which case things will work. If they don't \n"
+ "please update your host kernel!\n");
}
/* Set SDR1 so kernel space finds the HTAB */