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Date: Tue, 11 Jan 2022 00:52:08 +0800 From: Jisheng Zhang <jszhang@...nel.org> To: Björn Töpel <bjorn@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org> Cc: netdev@...r.kernel.org, bpf@...r.kernel.org, linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, Tong Tiangen <tongtiangen@...wei.com> Subject: [PATCH riscv-next] riscv: bpf: Fix eBPF's exception tables eBPF's exception tables needs to be modified to relative synchronously. Suggested-by: Tong Tiangen <tongtiangen@...wei.com> Signed-off-by: Jisheng Zhang <jszhang@...nel.org> --- arch/riscv/net/bpf_jit_comp64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index 69bab7e28f91..44c97535bc15 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -498,7 +498,7 @@ static int add_exception_handler(const struct bpf_insn *insn, offset = pc - (long)&ex->insn; if (WARN_ON_ONCE(offset >= 0 || offset < INT_MIN)) return -ERANGE; - ex->insn = pc; + ex->insn = offset; /* * Since the extable follows the program, the fixup offset is always -- 2.34.1
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