On 03/01/14 01:22, Julian Elischer wrote:
> On 1/2/14, 4:43 PM, Roger Pau Monne wrote:
>> ---
>>   sys/x86/isa/isa.c |    3 +++
>>   1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/sys/x86/isa/isa.c b/sys/x86/isa/isa.c
>> index 1a57137..9287ff2 100644
>> --- a/sys/x86/isa/isa.c
>> +++ b/sys/x86/isa/isa.c
>> @@ -241,3 +241,6 @@ isa_release_resource(device_t bus, device_t child,
>> int type, int rid,
>>    * On this platform, isa can also attach to the legacy bus.
>>    */
>>   DRIVER_MODULE(isa, legacy, isa_driver, isa_devclass, 0, 0);
>> +#ifdef XENHVM
>> +DRIVER_MODULE(isa, xenpv, isa_driver, isa_devclass, 0, 0);
>> +#endif
> read all 19 patches. I'm glad you split them up.. makes it
> understandable.. even by me :-)
> no real negative comments except a question as to whether there is any
> noticable performance impact on real hardware?

Thanks for taking a look. I haven't seen any performance impact when
running a PVH capable kernel (a kernel with this patch series applied)
on real hardware. I'm not adding hooks to any hot paths, most of the
code added in this series is only used during boot time.

Roger.

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