Re: [PATCH 5/7 v3] KVM: PPC: exit to user space on "ehpriv" instruction

["tiejun.chen" <tiejun.chen@windriver.com>]

On 04/26/2013 06:45 PM, Alexander Graf wrote:
>
> On 08.04.2013, at 12:32, Bharat Bhushan wrote:
>
>> From: Bharat Bhushan <bharat.bhushan@freescale.com>
>>
>> "ehpriv" instruction is used for setting software breakpoints
>> by user space. This patch adds support to exit to user space
>> with "run->debug" have relevant information.
>>
>> Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
>> ---
>> arch/powerpc/kvm/e500_emulate.c |   10 ++++++++++
>> 1 files changed, 10 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
>> index e78f353..cefdd38 100644
>> --- a/arch/powerpc/kvm/e500_emulate.c
>> +++ b/arch/powerpc/kvm/e500_emulate.c
>> @@ -26,6 +26,7 @@
>> #define XOP_TLBRE   946
>> #define XOP_TLBWE   978
>> #define XOP_TLBILX  18
>> +#define XOP_EHPRIV  270
>>
>> #ifdef CONFIG_KVM_E500MC
>> static int dbell2prio(ulong param)
>> @@ -130,6 +131,15 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
>> 			emulated = kvmppc_e500_emul_tlbivax(vcpu, ea);
>> 			break;
>>
>> +		case XOP_EHPRIV:
>
> This is supposed to check for oc, no?

The other day I already sent one patch only to check OC, "KVM/PPC: emulate ehpriv".

But Bharat said he's waiting for other debug patches to be reviewed.

Tiejun