ppc64 vDSO update

Benjamin Herrenschmidt benh at kernel.crashing.org
Mon Nov 22 14:38:36 EST 2004

At the URL below, you can find a new version of the ppc64 vDSO patch against
a recent Linus bk tree. I intend to submit it upstream real soon as the work
on non-executable stack is waiting for it, though we must first make sure the
way symbols are exported to userland is ok for glibc.


Following various comments, I've changed the way the 64 bits vDSO exports symbols,
it now no-longer has function descriptors & "dot" symbols, the symbols point
directly to the functions with a link base of 0 (so the symbol value is really an
offset to the code now). You can still build the old way though with a #define in
include/asm-ppc64/vdso.h, at least until we have formally agreed on what mecanism
we want to use.

(Craig: the signal issue is fixed now, either when building with descriptors or


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