leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

riscv: bpf: Fix eBPF's exception tables

Browse Source 
eBPF's exception tables needs to be modified to relative synchronously.

Suggested-by: Tong Tiangen <tongtiangen@huawei.com>
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Fixes: 1f77ed9422 ("riscv: switch to relative extable and other improvements")
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Jisheng Zhang 2022-01-11 00:52:08 +08:00 committed by Palmer Dabbelt
parent 805a3ebed5
commit fc839c6d33
No known key found for this signature in database
GPG Key ID: 2E1319F35FBB1889
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/riscv/net/bpf_jit_comp64.c
View File

@ -497,7 +497,7 @@ 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