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Date: Fri, 06 May 2022 13:59:06 -0700 From: John Fastabend <john.fastabend@...il.com> To: Pu Lehui <pulehui@...wei.com>, bpf@...r.kernel.org, linux-riscv@...ts.infradead.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Pu Lehui <pulehui@...wei.com> Cc: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Björn Töpel <bjorn@...nel.org>, Luke Nelson <luke.r.nels@...il.com>, Xi Wang <xi.wang@...il.com>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu> Subject: RE: [PATCH bpf-next v2 2/2] riscv, bpf: Support riscv jit to provide bpf_line_info Pu Lehui wrote: > Add support for riscv jit to provide bpf_line_info. > We need to consider the prologue offset in ctx->offset, > but unlike x86 and arm64, ctx->offset of riscv does not > provide an extra slot for the prologue, so here we just > calculate the len of prologue and add it to ctx->offset > at the end. Both RV64 and RV32 have been tested. > > Signed-off-by: Pu Lehui <pulehui@...wei.com> > --- Looks reasonable to me, but would be good if someone with RISC knowledge takes a lookt hough.
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