Re: [PATCH] Add VDSO time function support for x86 32-bit kernel

[H. Peter Anvin]

Should be a simple matter of sharing pages.  Look perhaps at the x32 vdso for a hint.

Stefani Seibold <stefani@xxxxxxxxxxx> wrote:

>Am Mittwoch, den 12.12.2012, 22:14 -0800 schrieb H. Peter Anvin:
>> This is too late for 3.8 anyway, so there is time to make it work
>correctly before tge 3.9 merge window anyway.  After this merge window
>is over I may pull tjis into a testing branch, but compat support is a
>precondition.
>> 
>> The vdso is only optional if you build in backwards compatibility
>anyway, and software has a right to expect a specific numeric kernel
>version to export a single ABI.
>> 
>
>Any idea or clean solution how i can map the 64 bit vgtod into the 32
>bit address space? Thats the only problem i see.
>
>- Stefani

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/