RE: [Xen-ia64-devel][PATCH] Optimize hypercall path in VTI domain

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

Doi.Tsunehisa@xxxxxxxxxxxxxx write on 2007年2月5日 13:10:
> Hi Anthony-san,
> 
>   I've checked it latest changeset (cs:13837). VNIF is available
> with the patch.
> 
>   I'll submit the patch and following patch.


That's great!  VP-on-HVM is back.

Thanks,
- Anthony


> 
> Thanks,
> - Tsunehisa Doi
> 
> 
> I (Doi.Tsunehisa) said:
>> Hi Anthony-san,
>> 
>>   Thank you for your information.
>> 
>>   We'll try with latest changeset (cs:13837).
>> 
>> You (anthony.xu) said:
>>> Hi Doi-san,
>>> 
>>> I think you should try Cs13774 or latest Cset,
>>> The patch of "Optimize hypercall path in VTI domain" was checked in
>>> at Cs 13774. And this patch is a must for PV-on-HVM.
>>> 
>>> - Anthony
>>> 
>>> -----Original Message-----
>>> From: Tomonari Horikoshi [mailto:t.horikoshi@xxxxxxxxxxxxxx]
>>> Sent: 2007年2月2日 16:35
>>> To: Doi.Tsunehisa@xxxxxxxxxxxxxx; Xu, Anthony
>>> Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>>> Subject: Re: [Xen-ia64-devel][PATCH] Optimize hypercall path in VTI
>>> dom ai n 
>>> 
>>> 
>>> Hi Anthony-san
>>> 
>>> Thank you for your patch.
>>> I tried to compile of PV-on-HVM in cs13773.
>>> 
>>> But, It made an compile error because there was no
>>> "CONFIG_VMX_GUEST". 
>>> 
>>> Compile is possible according to the attached patch.
>>> But Guest did Hung when "insmod xenbus.ko" was executed.
>>> 
>>> 
>>> We have not investigated the cause yet.
>>> Do you know the problem of looking like this?
>>> 
>>> 
>>> Thanks,
>>> - Tomonari Horikoshi
>>> 
>>> ------------------------------------------------------
>>> (XEN) ivt_base: 0xf000000004010000
>>> (XEN) arch_boot_vcpu: vcpu 1 awaken 0000000004007f20!
>>> (XEN) Warning xen_hypercall should not be called 17
>>> (XEN) Warning xen_hypercall should not be called 12
>>> (XEN) Warning xen_hypercall should not be called 12
>>> (XEN) Warning xen_hypercall should not be called 34
>>> (XEN) Warning xen_hypercall should not be called 34
>>> (XEN) Warning xen_hypercall should not be called 34
>>> (XEN) $$$$$ PANIC in domain 2 (k6=0xf000000007b28000): This memory
>>> acce ss  instr can't be emulated: 80891325c0 pc= a000000200090b30
>>> (XEN)  domain_crash_sync called from xenmisc.c:175 (XEN) Domain 2
>>> (vcpu#0) crashed on cpu#2: (XEN) d 0xf000000007b1c080 domid 2
>>> (XEN) vcpu 0xf000000007b28000 vcpu 0
>>> (XEN)
>>> (XEN) CPU 2
>>> (XEN) psr : 00005210089a6010 ifs : 8000000000000206 ip  :
>>> [<a0000002000 90 b31>] (XEN) ip is at ??? (XEN) unat:
>>> 0000000000000000 pfs : 0000000000000409 rsc : 0000000000000 00 3
>>> (XEN) rnat: 0000000000000000 bsps: e00000001ed80ed8 pr  :
>>> 000000000555a 55 9 (XEN) ldrs: 0000000000f80000 ccv :
>>> 0000000000000000 fpsr: 0009804c8a700 33 f (XEN) csd :
>>> 0000000000000000 ssd : 0000000000000000 (XEN) b0  :
>>> a000000200090d60 b6  : a000000100204680 b7  : a000000100203 86 0
>>> (XEN) f6  : 000000000000000000000 f7  : 1003e0000000000000007 (XEN)
>>> f8  : 1003e0000000000000218 f9  : 1003e000000199d10e381 (XEN) f10 :
>>> 1003e585da8c236353111 f11 : 1003e0000000000000012 (XEN) r1  :
>>> a000000200290000 r2  : 0000000000000000 r3  : a0000002000a2 88 8
>>> (XEN) r8  : e00000001ed80dd4 r9  : e00000001ed87df0 r10 :
>>> 0000000000000 00 1 (XEN) r11 : 0000000000000001 r12 :
>>> e00000001ed87dd0 r13 : e00000001ed80 00 0 (XEN) r14 :
>>> 0000000000000000 r15 : 0000000000000000 r16 : c0000000c2000 e0 0
>>> (XEN) r17 : c0000000c2000e00 r18 : fffffffffffffffe r19 :
>>> c0000000c2000 00 0 (XEN) r20 : 0000000000000000 r21 :
>>> 0000000000000000 r22 : c0000000c2000 00 0 (XEN) r23 :
>>> ffffffff00000000 r24 : 0000000000000000 r25 : 0000000000000 00 0
>>> (XEN) r26 : 0000000000000000 r27 : e00000001ed87df4 r28 :
>>> 0000000000000 00 1 (XEN) r29 : a00000020021aaa0 r30 :
>>> 0000000000000000 r31 : e00000001c529 83 0 (XEN) (XEN) Call Trace:
>>> (XEN)  [<f0000000040b0b20>] show_stack+0x80/0xa0 (XEN)             
>>> sp=f000000007b2fa70 bsp=f00000000 7b 29418 (XEN) 
>>> [<f00000000401f920>] __domain_crash+0x110/0x150 (XEN)              
>>> sp=f000000007b2fc40 bsp=f00000000 7b 293e8 (XEN) 
>>> [<f00000000401f9a0>] __domain_crash_synchronous+0x40/0xf0 (XEN)    
>>> sp=f000000007b2fc40 bsp=f00000000 7b 293c0 (XEN) 
>>> [<f0000000040869d0>] panic_domain+0x140/0x150 (XEN)                
>>> sp=f000000007b2fc40 bsp=f00000000 7b 29360 (XEN) 
>>> [<f00000000408d940>] emulate_io_inst+0x1c0/0xba0 (XEN)             
>>> sp=f000000007b2fd70 bsp=f00000000 7b 29308 (XEN) 
>>> [<f000000004097d10>] vmx_hpw_miss+0x3c0/0x900 (XEN)                
>>> sp=f000000007b2fde0 bsp=f00000000 7b 292a8 (XEN) 
>>> [<f000000004093000>] ia64_leave_hypervisor_prepare+0x0/0x40 (XEN)  
>>> sp=f000000007b2fe00 bsp=f00000000 7b 292a8 (XEN) (XEN) Call Trace:
>>> (XEN)  [<f0000000040b0b20>] show_stack+0x80/0xa0 (XEN)             
>>> sp=f000000007b2fa70 bsp=f00000000 7b 29418 (XEN) 
>>> [<f00000000401f930>] __domain_crash+0x120/0x150 (XEN)              
>>> sp=f000000007b2fc40 bsp=f00000000 7b 293e8 (XEN) 
>>> [<f00000000401f9a0>] __domain_crash_synchronous+0x40/0xf0 (XEN)    
>>> sp=f000000007b2fc40 bsp=f00000000 7b 293c0 (XEN) 
>>> [<f0000000040869d0>] panic_domain+0x140/0x150 (XEN)                
>>> sp=f000000007b2fc40 bsp=f00000000 7b 29360 (XEN) 
>>> [<f00000000408d940>] emulate_io_inst+0x1c0/0xba0 (XEN)             
>>> sp=f000000007b2fd70 bsp=f00000000 7b 29308 (XEN) 
>>> [<f000000004097d10>] vmx_hpw_miss+0x3c0/0x900 (XEN)                
>>> sp=f000000007b2fde0 bsp=f00000000 7b 292a8 (XEN) 
>>> [<f000000004093000>] ia64_leave_hypervisor_prepare+0x0/0x40 (XEN)  
>>> sp=f000000007b2fe00 bsp=f00000000 7b 292a8 (XEN) domain.c:504:
>>> arch_domain_create:504 domain 3 pervcpu_vhpt 1 (XEN)
>>> tlb_track_allocate_entries:69 allocated 256 num_entries 256 num_f
>>> re e 256 (XEN) tlb_track_create:115 hash 0xf0000001802b8000
>>> hash_size 512 (XEN) ### domain f000000007b1c080: rid=80000-c0000
>>> mp_rid=2000 (XEN) arch_domain_create: domain=f000000007b1c080 (XEN)
>>> vpd base: 0xf000000007ba0000, vpd size:65536 (XEN) Allocate domain
>>> vhpt at 0xf000000043000000 (XEN) Allocate domain vtlb at
>>> 0xf000000044e00000 (XEN) ivt_base: 0xf000000004010000  
>>> 
>>> 
>>> 
>>> 
>>> Doi.Tsunehisa@xxxxxxxxxxxxxx  wrote:----------------------
>>> Sent:    Wed, 31 Jan 2007 19:10:53 +0900
>>> Subject: Re: [Xen-ia64-devel][PATCH] Optimize hypercall path in VTI
>>> dom ai n 
>>> 
>>>> You (anthony.xu) said:
>>>>> Hi  Doi-san
>>>>> 
>>>>> I know you are working on PV-ON-HVM,
>>>>> 
>>>>> Applying both attatchments can make VBD work on VTI-domain on
>>>>> Cset 13 465, I didn't try VNIF. In case we are doing the
>>>>> duplicated thing. 
>>>> 
>>>>   Hi Anthony-san,
>>>> 
>>>>   Thank you!!  I'll try it.
>>>> 
>>>>   BTW, in x86 code, the spec of callback irq was appended. It
>>>> became to use PCI INTx line as callback irq. I'll modify to follow
>>>> it. 
>>>> 
>>>> Thanks,
>>>> - Tsunehisa Doi
>>>> 
>>>> _______________________________________________
>>>> Xen-ia64-devel mailing list
>>>> Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>>>> http://lists.xensource.com/xen-ia64-devel

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