Subject: Re: COMPAT_LINUX vsyscall
To: Bill Studenmund <firstname.lastname@example.org>
From: Pavel Cahyna <email@example.com>
Date: 05/02/2005 09:52:07
On Sun, 01 May 2005 23:45:49 -0700, Bill Studenmund wrote:
> On Sun, May 01, 2005 at 08:48:09PM -0400, Christos Zoulas wrote:
>> In article <20050501221625.GQ5984@snowdrop.l8s.co.uk>, David Laight
>> <firstname.lastname@example.org> wrote:
>> >That is mapping data, not code.....
>> The kernel can map optimized versions of mem*() and str*() that depend
>> on the processor.
> And all processes can take advantage of it. While we can play some
> comparable tricks with conditional library linking (like how we have
> different libm's on i386 as I understand it), that takes dynamic linking
> and runtime computation. With this, the kernel figures out what the right
> page is early in boot, and all processes (that are ours) use it.
How would the processes know where the functions are?