Why disable vdso by default with CONFIG_PARAVIRT?

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On Tuesday 12 December 2006 11:23, Jeremy Fitzhardinge wrote:

> Will your system boot with vdso=0 on the kernel command line?

Sure, it's the same as what I did by default.

> Presumably it will boot paravirt-native without it (since native makes
> no claims on the address space), so its something you could put in your
> Xen config file, no?

I don't think being incompatible to old binaries is a sensible default. That
is why I changed the wrong default. If paravirt ops cannot supply
a compatible vdso it has to do without one.

-Andi


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