Messages in this thread | | | Date | Sat, 14 Jun 2014 16:36:15 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [RFC 0/2] __vdso_findsym |
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On 06/14/2014 03:38 PM, Andy Lutomirski wrote: > > Hmm. I hadn't thought of this as a size win, but I guess it could be > if there are static binaries around. >
That pretty much *is* the win, because this is in effect treating the kernel vdso as a shared library.
> This patch currently generates 488 bytes on text with my toolchain. > More than half of that is garbage needed to deal with the symbol > version tables, and I should be able to move a decent fraction of it > to vdso2c and therefore out of the kernel and vdso images.
Now, if we can do this without adding another page then that becomes much more compelling IMO. I suspect we can if you are already down to 488 bytes.
-hpa
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