On Tuesday 17 July 2007 18:47:56 Jeremy Fitzhardinge wrote:
> John Blackwood wrote:
> > I was doing some tests that attempt to read the VDSO area of a
> > task through either the /proc/pid/mem or ptrace(PTRACE_PEEKTEXT,
> > ...) interfaces, and it seems that when the CONFIG_COMPAT_VDSO kernel
> > parameter is enabled, we can no longer successfully read the VDSO area
> > on i386 kernels.
>
> Thanks. Someone else noticed this recently, and posted a near-identical
> patch. But I can't seem to find it right now...
>
> Andrew, Andi: do you remember something like this passing by?
Yes it was from Jan Beulich.
-Andi
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