Re: [PATCH x86/mm] x86 vDSO: canonicalize sysenter .eh_frame

Ingo Molnar
2007-12-07T09:45:23Z

* Roland McGrath <roland@redhat.com> wrote:

> Some assembler versions automagically optimize .eh_frame contents,
> changing their size. The CFI in sysenter.S was not using optimal
> formatting, so it would be changed by newer/smarter assemblers. This
> ran afoul of the wired constant for padding out the other vDSO images
> to match its size. This changes the original hand-coded source to use
> the optimal format encoding for its operations. That leaves nothing
> more for a fancy assembler to do, so the sizes will match the wired-in
> expected size regardless of the assembler version.
>
> Signed-off-by: Roland McGrath <roland@redhat.com> ---

thanks, applied.

Ingo