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Hari Bathini 90d862f370 powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free] 
Use bpf_jit_binary_pack_alloc in powerpc jit. The jit engine first
writes the program to the rw buffer. When the jit is done, the program
is copied to the final location with bpf_jit_binary_pack_finalize.
With multiple jit_subprogs, bpf_jit_free is called on some subprograms
that haven't got bpf_jit_binary_pack_finalize() yet. Implement custom
bpf_jit_free() like in commit 1d5f82d9dd ("bpf, x86: fix freeing of
not-finalized bpf_prog_pack") to call bpf_jit_binary_pack_finalize(),
if necessary. As bpf_flush_icache() is not needed anymore, remove it.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231020141358.643575-6-hbathini@linux.ibm.com
2023-10-23 20:33:19 +11:00
..
bpf_jit.h powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free] 2023-10-23 20:33:19 +11:00
bpf_jit_comp.c powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free] 2023-10-23 20:33:19 +11:00
bpf_jit_comp32.c powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free] 2023-10-23 20:33:19 +11:00
bpf_jit_comp64.c powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free] 2023-10-23 20:33:19 +11:00
Makefile powerpc/bpf: Implement extended BPF on PPC32 2021-04-03 21:22:21 +11:00