Re: [v1][KVM][PATCH 1/1] kvm:ppc: enable doorbell exception with E500MC

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On 05/07/2013 09:33 AM, tiejun.chen wrote:
On 05/06/2013 10:58 PM, Alexander Graf wrote:
On 05/06/2013 04:53 AM, Tiejun Chen wrote:
Actually E500MC also support doorbell exception, and CONFIG_PPC_E500MC
can cover BOOK3E/BOOK3E_64 as well.

Signed-off-by: Tiejun Chen<tiejun.chen@xxxxxxxxxxxxx>
---
  arch/powerpc/kvm/booke.c |    2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 1020119..dc1f590 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -795,7 +795,7 @@ static void kvmppc_restart_interrupt(struct kvm_vcpu *vcpu,
          kvmppc_fill_pt_regs(&regs);
          timer_interrupt(&regs);
          break;
-#if defined(CONFIG_PPC_FSL_BOOK3E) || defined(CONFIG_PPC_BOOK3E_64)
+#if defined(CONFIG_PPC_E500MC)

I suppose you mean CONFIG_KVM_E500MC here? Why didn't this work for you before?

This works for me.

Here I just mean currently CONFIG_PPC_E500MC is always selected no matter what
CONFIG_PPC_FSL_BOOK3E or CONFIG_PPC_BOOK3E_64 is enabled. And especially, this
is already in the arch/powerpc/kvm/booke.c file, so I think one #ifdef
(CONFIG_PPC_E500MC) is enough and also makes sense.

The ifdef above should cover the same range of CPUs.

Or furthermore, the #ifdef CONFIG_PPC_DOORBELL is reasonable to cover this.


I think this may be better so I send next version with this. So please take a look at.

Tiejun

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