[PATCH bpf-next v3 1/3] bpf, arm64: enable kfunc call

Daniel Borkmann daniel at iogearbox.net
Fri Feb 4 07:42:03 PST 2022


On 1/30/22 10:29 AM, Hou Tao wrote:
> From: Hou Tao <houtao1 at huawei.com>
> 
> Since commit b2eed9b58811 ("arm64/kernel: kaslr: reduce module
> randomization range to 2 GB"), for arm64 whether KASLR is enabled
> or not, the module is placed within 2GB of the kernel region, so
> s32 in bpf_kfunc_desc is sufficient to represente the offset of
> module function relative to __bpf_call_base. The only thing needed
> is to override bpf_jit_supports_kfunc_call().
> 
> Signed-off-by: Hou Tao <houtao1 at huawei.com>

Could you rebase patch 2 & 3 and resend as they don't apply to bpf-next
right now. Meanwhile, applied this one, thanks a lot!



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