Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-27 Thread Michael Ellerman
Hari Bathini writes: > On 10/10/24 3:09 pm, Hari Bathini wrote: >> On 10/10/24 5:48 am, Michael Ellerman wrote: >>> Alexei Starovoitov writes: On Tue, Oct 1, 2024 at 12:18 AM Hari Bathini wrote: > On 30/09/24 6:25 pm, Alexei Starovoitov wrote: >> On Sun, Sep 29, 2024 at 10:33 

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-10 Thread Hari Bathini
On 10/10/24 3:09 pm, Hari Bathini wrote: On 10/10/24 5:48 am, Michael Ellerman wrote: Alexei Starovoitov writes: On Tue, Oct 1, 2024 at 12:18 AM Hari Bathini wrote: On 30/09/24 6:25 pm, Alexei Starovoitov wrote: On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini wrote: On 17/09/24 1:20 pm

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-10 Thread Hari Bathini
On 10/10/24 5:48 am, Michael Ellerman wrote: Alexei Starovoitov writes: On Tue, Oct 1, 2024 at 12:18 AM Hari Bathini wrote: On 30/09/24 6:25 pm, Alexei Starovoitov wrote: On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini wrote: On 17/09/24 1:20 pm, Alexei Starovoitov wrote: On Sun, Sep 15,

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-09 Thread Michael Ellerman
Alexei Starovoitov writes: > On Tue, Oct 1, 2024 at 12:18 AM Hari Bathini wrote: >> On 30/09/24 6:25 pm, Alexei Starovoitov wrote: >> > On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini >> > wrote: >> >> On 17/09/24 1:20 pm, Alexei Starovoitov wrote: >> >>> On Sun, Sep 15, 2024 at 10:58 PM Hari Bat

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-02 Thread Hari Bathini
On 01/10/24 8:23 pm, Alexei Starovoitov wrote: On Tue, Oct 1, 2024 at 12:18 AM Hari Bathini wrote: On 30/09/24 6:25 pm, Alexei Starovoitov wrote: On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini wrote: On 17/09/24 1:20 pm, Alexei Starovoitov wrote: On Sun, Sep 15, 2024 at 10:58 PM Har

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-01 Thread Alexei Starovoitov
On Tue, Oct 1, 2024 at 12:18 AM Hari Bathini wrote: > > > > On 30/09/24 6:25 pm, Alexei Starovoitov wrote: > > On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini > > wrote: > >> > >> > >> > >> On 17/09/24 1:20 pm, Alexei Starovoitov wrote: > >>> On Sun, Sep 15, 2024 at 10:58 PM Hari Bathini > >>> w

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-10-01 Thread Hari Bathini
On 30/09/24 6:25 pm, Alexei Starovoitov wrote: On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini wrote: On 17/09/24 1:20 pm, Alexei Starovoitov wrote: On Sun, Sep 15, 2024 at 10:58 PM Hari Bathini wrote: + + /* +* Generated stack layout: +* +* func prev back

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-09-30 Thread Alexei Starovoitov
On Sun, Sep 29, 2024 at 10:33 PM Hari Bathini wrote: > > > > On 17/09/24 1:20 pm, Alexei Starovoitov wrote: > > On Sun, Sep 15, 2024 at 10:58 PM Hari Bathini > > wrote: > >> > >> + > >> + /* > >> +* Generated stack layout: > >> +* > >> +* func prev back chain

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-09-29 Thread Hari Bathini
On 17/09/24 1:20 pm, Alexei Starovoitov wrote: On Sun, Sep 15, 2024 at 10:58 PM Hari Bathini wrote: + + /* +* Generated stack layout: +* +* func prev back chain [ back chain] +* [ ] +

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-09-17 Thread Alexei Starovoitov
On Sun, Sep 15, 2024 at 10:58 PM Hari Bathini wrote: > > + > + /* > +* Generated stack layout: > +* > +* func prev back chain [ back chain] > +* [ ] > +* bpf prog redzone/tailcallcnt [ ...

Re: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-09-16 Thread kernel test robot
n/20240916-050056 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/20240915205648.830121-18-hbathini%40linux.ibm.com patch subject: [PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines config: powerpc-allyesconf

[PATCH v5 17/17] powerpc64/bpf: Add support for bpf trampolines

2024-09-15 Thread Hari Bathini
From: Naveen N Rao Add support for bpf_arch_text_poke() and arch_prepare_bpf_trampoline() for 64-bit powerpc. While the code is generic, BPF trampolines are only enabled on 64-bit powerpc. 32-bit powerpc will need testing and some updates. BPF Trampolines adhere to the existing ftrace ABI utiliz