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From: Heiko Carstens <hca@linux.ibm.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>, bpf <bpf@vger.kernel.org>,
	Vasily Gorbik <gor@linux.ibm.com>
Subject: Re: [PATCH v2 0/4] s390/bpf: implement BPF_PROBE_MEM
Date: Tue, 21 Jul 2020 22:16:19 +0200	[thread overview]
Message-ID: <20200721201619.GA4070@osiris> (raw)
In-Reply-To: <CAADnVQ+fbfAEarcjJCeF=7ssBG2rpxzLZkVT0ZW7k6HWcN1uBg@mail.gmail.com>

Hi Alexei,

On Tue, Jul 21, 2020 at 11:01:22AM -0700, Alexei Starovoitov wrote:
> On Wed, Jul 15, 2020 at 4:38 PM Ilya Leoshkevich <iii@linux.ibm.com> wrote:
> >
> > This patch series implements BPF_PROBE_MEM opcode, which is used in BPF
> > programs that walk chains of kernel pointers. It consists of two parts:
> > patches 1 and 2 enhance s390 exception table infrastructure, patches 3
> > and 4 contains the actual implementation and the test.
> >
> > We would like to take this series via s390 tree, because it contains
> > dependent s390 extable and bpf jit changes. However, it would be great
> > if someone knowledgeable could review patches 3 and 4.

You probably missed this part? It should go upstream via the s390
tree, plus this version is broken since it crashes immediatly if KASLR
is enabled.

> Applied. Thanks

A fixed variant is applied to the s390 tree:
https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git/commit/?h=features&id=05a68e892e89c97df6650cd8cc55058002657cbc

  reply	other threads:[~2020-07-21 20:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15 23:32 [PATCH v2 0/4] s390/bpf: implement BPF_PROBE_MEM Ilya Leoshkevich
2020-07-15 23:32 ` [PATCH v2 1/4] s390/kernel: unify EX_TABLE* implementations Ilya Leoshkevich
2020-07-15 23:32 ` [PATCH v2 2/4] s390/kernel: expand the exception table logic to allow new handling options Ilya Leoshkevich
2020-07-15 23:33 ` [PATCH v2 3/4] s390/bpf: implement BPF_PROBE_MEM Ilya Leoshkevich
2020-07-16 11:09   ` Heiko Carstens
2020-07-15 23:33 ` [PATCH v2 4/4] selftests/bpf: add exception handling test Ilya Leoshkevich
2020-07-21 18:01 ` [PATCH v2 0/4] s390/bpf: implement BPF_PROBE_MEM Alexei Starovoitov
2020-07-21 20:16   ` Heiko Carstens [this message]
2020-07-21 20:23     ` Alexei Starovoitov

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