Re: [Xen-ia64-devel] [PATCH 1/9] paravirt_alt: remove xen_pal_halt_light

[Alex Williamson <alex.williamson@xxxxxx>]

On Thu, 2007-07-05 at 17:27 +0900, Isaku Yamahata wrote:
> Hi all.
> 
> This series of patches implements binary patching of xenLinux/ia64
> hyperprivops. The most of them are for code clean up so that
> the only last patch is moot. 
> To be honest I'm not sure its performance gain. Benchmark is needed.

I applied 1-8.  Patch 9 doesn't seem to make a significant performance
change for a domU kernel build test, but I agree it would be nice to see
more benchmark data.  The data from a PV capable kernel running on bare
metal might be especially interesting (testing if this is more efficient
for transparent PV).  BTW, the help section in the Kconfig could use a
little more explanation.  Thanks,

        Alex

> [PATCH 1/9] paravirt_alt: remove xen_pal_halt_light
> [PATCH 2/9] paravirt_alt: add __read_mostly
> [PATCH 3/9] paravirt_alt: linux header clean up
> [PATCH 4/9] paravirt_alt: fix xen_eoi() prototpye
> [PATCH 5/9] paravirt_alt: call xen_get_ivr hyperprivops directly in interrupt 
> handler
> [PATCH 6/9] paravirt_alt: white space clean up of privop.h
> [PATCH 7/9] paravirt_alt: inlinize xen hyperprivops
> [PATCH 8/9] paravirt_alt: make some of xen hyperprivops transparent
> [PATCH 9/9] [RFC] paravirt_alt: introduce paravirt_alt and implmenet binary 
> patching of xen hyperprivops

-- 
Alex Williamson                             HP Open Source & Linux Org.


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