Re: [CRIU] [PATCH] Add VDSO time function support for x86 32-bitkernel

From: H. Peter Anvin
Date: Fri Dec 14 2012 - 17:27:35 EST


On 12/14/2012 02:25 PM, Cyrill Gorcunov wrote:
>
> this would allow us to defer checkpoint until task finish vdso code. Peter,
> if I understand you correctly you propose we provide some own proxy-vdso
> which would redirect calls to real ones, right? But the main problem
> is that is exactly the idea to be able to c/r existing programs without
> recompiling and such (or I miss something here?).
>

No, I'm proposing that you use a proxy-vdso which does nothing but
system calls, and therefore can be stable indefinitely.

-hpa


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