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Re: [Xen-devel] lzo update in hypervisor?



On 27/11/2012 08:25, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

>>>> On 27.11.12 at 01:33, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> wrote:
>> In theory, would there be any objections to updating
>> Xen's lzo.c and unlzo.c to accomodate Markus Oberhumer's
>> dramatic performance improvements recently posted to
>> upstream Linux targeted for 3.8 and briefly described here:
>> 
>> https://lkml.org/lkml/2012/8/21/350
>> (short version: typically 2x faster)
> 
> No objection from me.

Nor me, I agree with all Jan says.

 K.

>> Also, might it be reasonable/acceptable for
>> this to retain the Linux formatting so that
>> this and future updates need not be reformatted?
> 
> You contributed that file originally with not-really-Linux,
> not-really-Xen formatting. The decompressors I added later
> based on Linux code all retained the Linux coding style, so getting
> the LZO code aligned back is certainly in line with that (and our
> general policy).
> 
>> AFAIK, tmem is the only user of this code.
> 
> Not anymore - the Dom0 kernel may come LZO-compressed, and
> hence the decompression code is also being used there.
> 
> Jan
> 
> 
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> http://lists.xen.org/xen-devel



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