Messages in this thread | | | Date | Mon, 30 Apr 2012 13:41:48 -0400 (EDT) | Subject | Re: [REGRESSION][PATCH V5 3/3] bpf jit: Let the powerpc jit handle negative offsets | From | David Miller <> |
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From: Jan Seiffert <kaffeemonster@googlemail.com> Date: Mon, 30 Apr 2012 07:02:19 +0200
> Now the helper function from filter.c for negative offsets is exported, > it can be used it in the jit to handle negative offsets. > > First modify the asm load helper functions to handle: > - know positive offsets > - know negative offsets > - any offset > > then the compiler can be modified to explicitly use these helper > when appropriate. > > This fixes the case of a negative X register and allows to lift > the restriction that bpf programs with negative offsets can't > be jited. > > Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Signed-off-by: Jan Seiffert <kaffeemonster@googlemail.com>
Applied, thanks.
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