Re: [PATCH] Gerd Hoffman's move-vsyscall-into-user-address-rangepatch

[Linus Torvalds]

On Mon, 22 May 2006, Ingo Molnar wrote:
> 
> But wrt. binary compatibility, the vdso (ignoring for a moment that it's 
> tied to other parts of glibc) is kind of border line. Nothing but glibc 
> knows about its internal structure. So i dont think "binary 
> compatibility" per se is violated: no app breaks. This is more analogous 
> to the situation where say old modutils cannot read new modules and the 
> kernel wont boot at all.

No it's not. 

This is totally different from a 2.4.x -> 2.6.x breakage. This is about a 
kernel that used to work (2.6.16) and one that would not (2.6.17).

It's _that_ simple. No ifs, buts, maybe's or anything else.

			Linus
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