[PATCH v2] powerpc/bpf: populate extable entries only during the last pass

[Michael Ellerman]

On Tue, 25 Apr 2023 12:28:29 +0530, Hari Bathini wrote:
> Since commit 85e031154c7c ("powerpc/bpf: Perform complete extra passes
> to update addresses"), two additional passes are performed to avoid
> space and CPU time wastage on powerpc. But these extra passes led to
> WARN_ON_ONCE() hits in bpf_add_extable_entry() as extable entries are
> populated again, during the extra pass, without resetting the index.
> Fix it by resetting entry index before repopulating extable entries,
> if and when there is an additional pass.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/bpf: populate extable entries only during the last pass
      https://git.kernel.org/powerpc/c/35a4b8ce4ac00e940b46b1034916ccb22ce9bdef

cheers