From: Alexei Starovoitov
Date: Mon, 27 Apr 2015 14:40:37 -0700
> ALU64_DIV instruction should be dividing 64-bit by 64-bit,
> whereas do_div() does 64-bit by 32-bit divide.
> x64 and arm64 JITs correctly implement 64 by 64 unsigned divide.
> llvm BPF backend emits code assuming that ALU64_DIV doe
ALU64_DIV instruction should be dividing 64-bit by 64-bit,
whereas do_div() does 64-bit by 32-bit divide.
x64 and arm64 JITs correctly implement 64 by 64 unsigned divide.
llvm BPF backend emits code assuming that ALU64_DIV does 64 by 64.
Fixes: 89aa075832b0 ("net: sock: allow eBPF programs to be a
