lkml.org 
[lkml]   [2007]   [Aug]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Add I/O hypercalls for i386 paravirt
Andi Kleen wrote:
> On Wed, Aug 22, 2007 at 01:23:43PM +0300, Avi Kivity wrote:
>
>> Andi Kleen wrote:
>>
>>>> I don't see why it's intrusive -- they all use the APIs, right?
>>>>
>>>>
>>> Yes, but it still changes them. It might have a larger impact
>>> on code size for example.
>>>
>>>
>> Only if CONFIG_PARAVIRT is defined.
>>
>
> Which eventually distribution kernels will do.
>
>
>> And even then, all the performance
>> sensitive stuff uses mmio, no?
>>
>
> Not worried about performance, but just impact on code size etc.
>

Ah. But that's mostly modules, so real in-core changes should be very
small (say 10 bytes per call site X 10 callsites per driver X 10
drivers... even if off by an order of magnitude it's still tiny)


--
error compiling committee.c: too many arguments to function

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-08-22 14:27    [W:0.121 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site