Re: [PATCH v3 2/2] arm64/bpf: don't allocate BPF JIT programs in module memory

2018-11-25 Thread kbuild test robot
Hi Ard, I love your patch! Perhaps something to improve: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on v4.20-rc4 next-20181123] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/l

Re: [PATCH v3 2/2] arm64/bpf: don't allocate BPF JIT programs in module memory

2018-11-23 Thread Ard Biesheuvel
On Fri, 23 Nov 2018 at 10:42, Ard Biesheuvel wrote: > > The arm64 module region is a 128 MB region that is kept close to > the core kernel, in order to ensure that relative branches are > always in range. So using the same region for programs that do > not have this restriction is wasteful, and pr

[PATCH v3 2/2] arm64/bpf: don't allocate BPF JIT programs in module memory

2018-11-23 Thread Ard Biesheuvel
The arm64 module region is a 128 MB region that is kept close to the core kernel, in order to ensure that relative branches are always in range. So using the same region for programs that do not have this restriction is wasteful, and preferably avoided. Now that the core BPF JIT code permits the a