From: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Daniel Borkmann <daniel@iogearbox.net>,
Michael Ellerman <mpe@ellerman.id.au>,
Steven Rostedt <rostedt@goodmis.org>
Cc: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>,
Jordan Niethe <jniethe5@gmail.com>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
Jiri Olsa <jolsa@redhat.com>,
Hari Bathini <hbathini@linux.ibm.com>
Subject: Re: [RFC PATCH 0/3] powerpc64/bpf: Add support for BPF Trampolines
Date: Mon, 14 Feb 2022 16:17:00 +0530 [thread overview]
Message-ID: <1644835471.mm5694ds8t.naveen@linux.ibm.com> (raw)
In-Reply-To: <918b842d-f674-bbdb-c772-b43a00f1b155@csgroup.eu>
Christophe Leroy wrote:
>
>
> Le 07/02/2022 à 08:07, Naveen N. Rao a écrit :
>> This is an early RFC series that adds support for BPF Trampolines on
>> powerpc64. Some of the selftests are passing for me, but this needs more
>> testing and I've likely missed a few things as well. A review of the
>> patches and feedback about the overall approach will be great.
>>
>> This series depends on some of the other BPF JIT fixes and enhancements
>> posted previously, as well as on ftrace direct enablement on powerpc
>> which has also been posted in the past.
>
> Is there any reason to limit this to powerpc64 ?
I have limited this to elf v2, and we won't be able to get this working
on elf v1, since we don't have DYNAMIC_FTRACE_WITH_REGS supported there.
We should be able to get this working on ppc32 though.
- Naveen
prev parent reply other threads:[~2022-02-14 10:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-07 7:07 [RFC PATCH 0/3] powerpc64/bpf: Add support for BPF Trampolines Naveen N. Rao
2022-02-07 7:07 ` [RFC PATCH 1/3] ftrace: Add ftrace_location_lookup() to lookup address of ftrace location Naveen N. Rao
2022-02-07 7:07 ` [RFC PATCH 2/3] powerpc/ftrace: Override ftrace_location_lookup() for MPROFILE_KERNEL Naveen N. Rao
2022-02-07 15:24 ` Steven Rostedt
2022-02-09 17:50 ` Naveen N. Rao
2022-02-09 21:10 ` Steven Rostedt
2022-02-10 13:58 ` Naveen N. Rao
2022-02-10 14:59 ` Steven Rostedt
2022-02-10 16:40 ` Naveen N. Rao
2022-02-10 17:01 ` Steven Rostedt
2022-02-11 11:36 ` Naveen N. Rao
2022-02-07 7:07 ` [RFC PATCH 3/3] powerpc64/bpf: Add support for bpf trampolines Naveen N. Rao
2022-02-11 14:40 ` [RFC PATCH 0/3] powerpc64/bpf: Add support for BPF Trampolines Christophe Leroy
2022-02-14 10:47 ` Naveen N. Rao [this message]
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