> -----Original Message----- > From: kvm-ppc-ow...@vger.kernel.org [mailto:kvm-ppc-ow...@vger.kernel.org] On > Behalf Of Alexander Graf > Sent: Wednesday, August 08, 2012 4:41 PM > To: Bhushan Bharat-R65777 > Cc: Wood Scott-B07421; kvm-ppc@vger.kernel.org; k...@vger.kernel.org > Subject: Re: [PATCH 3/3] KVM: PPC: booke: Added debug handler > > > On 08.08.2012, at 03:02, Bhushan Bharat-R65777 wrote: > > > > > > >> -----Original Message----- > >> From: Wood Scott-B07421 > >> Sent: Wednesday, August 08, 2012 2:15 AM > >> To: Alexander Graf > >> Cc: Bhushan Bharat-R65777; kvm-ppc@vger.kernel.org; > >> k...@vger.kernel.org; Bhushan > >> Bharat-R65777 > >> Subject: Re: [PATCH 3/3] KVM: PPC: booke: Added debug handler > >> > >> On 08/07/2012 05:47 AM, Alexander Graf wrote: > >>>> diff --git a/arch/powerpc/kvm/booke_interrupts.S > >>>> b/arch/powerpc/kvm/booke_interrupts.S > >>>> index 3539805..890673c 100644 > >>>> --- a/arch/powerpc/kvm/booke_interrupts.S > >>>> +++ b/arch/powerpc/kvm/booke_interrupts.S > >>>> @@ -73,6 +73,51 @@ _GLOBAL(kvmppc_handler_\ivor_nr) > >>>> bctr > >>>> .endm > >>>> > >>>> +.macro KVM_DBG_HANDLER ivor_nr scratch srr0 > >>> > >>> This is a lot of asm code. Any chance to share a good share of it > >>> with the > >> generic handler? > >> > >> That entire file could use an update to lok more like > >> bookehv_interrupts.S and its use of asm macros. > > > > In booke there is assumption that size of KVM IVORs will not me more than > > host > IVORs size so that only IVPR is changed. > > > > I tried to give it that shape of bookehv_interrupts.S and found that size > > of > some IVORs become more than host IVORs. > > We can always jump off to another (more generic?) function and only have a > small > stub in the IVOR referenced code.
What extra KVM_DBG_HANDLER have from KVM_HANDLER is the handing of debug single step (which is similar to host). So do you want a jump in assembly for handling the debug single step? Or you really think of moving something from the KVM_HANDLER to more generic? Thanks -Bharat -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
