From: Andrii Nakryiko <andrii.nakryiko@gmail.com> To: Christoph Hellwig <hch@lst.de> Cc: x86@kernel.org, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Masami Hiramatsu <mhiramat@kernel.org>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>, linux-mm@kvack.org, open list <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 11/23] bpf: factor out a bpf_trace_copy_string helper Date: Thu, 21 May 2020 15:10:33 -0700 [thread overview] Message-ID: <CAEf4BzZWW_8jKWmbth6=i2+JVx9JKKa7o6vBSQwswRd2sNLEkQ@mail.gmail.com> (raw) In-Reply-To: <20200521152301.2587579-12-hch@lst.de> On Thu, May 21, 2020 at 8:25 AM Christoph Hellwig <hch@lst.de> wrote: > > Split out a helper to do the fault free access to the string pointer > to get it out of a crazy indentation level. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- LGTM. Acked-by: Andrii Nakryiko <andriin@fb.com> > kernel/trace/bpf_trace.c | 42 +++++++++++++++++++++++----------------- > 1 file changed, 24 insertions(+), 18 deletions(-) > [...]
WARNING: multiple messages have this Message-ID (diff)
From: Andrii Nakryiko <andrii.nakryiko@gmail.com> To: Christoph Hellwig <hch@lst.de> Cc: linux-parisc@vger.kernel.org, Daniel Borkmann <daniel@iogearbox.net>, Networking <netdev@vger.kernel.org>, x86@kernel.org, linux-um@lists.infradead.org, Alexei Starovoitov <ast@kernel.org>, open list <linux-kernel@vger.kernel.org>, linux-mm@kvack.org, Masami Hiramatsu <mhiramat@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, bpf <bpf@vger.kernel.org> Subject: Re: [PATCH 11/23] bpf: factor out a bpf_trace_copy_string helper Date: Thu, 21 May 2020 15:10:33 -0700 [thread overview] Message-ID: <CAEf4BzZWW_8jKWmbth6=i2+JVx9JKKa7o6vBSQwswRd2sNLEkQ@mail.gmail.com> (raw) In-Reply-To: <20200521152301.2587579-12-hch@lst.de> On Thu, May 21, 2020 at 8:25 AM Christoph Hellwig <hch@lst.de> wrote: > > Split out a helper to do the fault free access to the string pointer > to get it out of a crazy indentation level. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- LGTM. Acked-by: Andrii Nakryiko <andriin@fb.com> > kernel/trace/bpf_trace.c | 42 +++++++++++++++++++++++----------------- > 1 file changed, 24 insertions(+), 18 deletions(-) > [...] _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um
next prev parent reply other threads:[~2020-05-21 22:10 UTC|newest] Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-21 15:22 clean up and streamline probe_kernel_* and friends v4 Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 01/23] maccess: unexport probe_kernel_write and probe_user_write Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 02/23] maccess: remove various unused weak aliases Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 03/23] maccess: remove duplicate kerneldoc comments Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 04/23] maccess: clarify " Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 05/23] maccess: update the top of file comment Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 06/23] maccess: rename strncpy_from_unsafe_user to strncpy_from_user_nofault Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 07/23] maccess: rename strncpy_from_unsafe_strict to strncpy_from_kernel_nofault Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 08/23] maccess: rename strnlen_unsafe_user to strnlen_user_nofault Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 09/23] maccess: remove probe_read_common and probe_write_common Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 10/23] maccess: unify the probe kernel arch hooks Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-28 0:55 ` Andrew Morton 2020-05-28 0:55 ` Andrew Morton 2020-05-21 15:22 ` [PATCH 11/23] bpf: factor out a bpf_trace_copy_string helper Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 22:10 ` Andrii Nakryiko [this message] 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 15:22 ` [PATCH 12/23] bpf: handle the compat string in bpf_trace_copy_string better Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-28 2:04 ` Andrew Morton 2020-05-28 2:04 ` Andrew Morton 2020-05-28 2:26 ` Yonghong Song 2020-05-28 2:26 ` Yonghong Song 2020-05-28 4:39 ` Christoph Hellwig 2020-05-28 4:39 ` Christoph Hellwig 2020-05-28 17:06 ` Yonghong Song 2020-05-28 17:06 ` Yonghong Song 2020-05-21 15:22 ` [PATCH 13/23] bpf: rework the compat kernel probe handling Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 22:10 ` Andrii Nakryiko 2020-05-21 15:22 ` [PATCH 14/23] tracing/kprobes: handle mixed kernel/userspace probes better Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-22 0:04 ` Masami Hiramatsu 2020-05-22 0:04 ` Masami Hiramatsu 2020-05-21 15:22 ` [PATCH 15/23] maccess: remove strncpy_from_unsafe Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 16/23] maccess: always use strict semantics for probe_kernel_read Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 17/23] maccess: move user access routines together Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 18/23] maccess: allow architectures to provide kernel probing directly Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 19/23] x86: use non-set_fs based maccess routines Christoph Hellwig 2020-05-21 15:22 ` Christoph Hellwig 2020-05-21 15:22 ` [PATCH 20/23] maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault Christoph Hellwig 2020-05-21 15:22 ` [PATCH 20/23] maccess: rename probe_kernel_{read, write} to copy_{from, to}_kernel_nofault Christoph Hellwig 2020-05-21 15:22 ` [PATCH 21/23] maccess: rename probe_user_{read,write} to copy_{from,to}_user_nofault Christoph Hellwig 2020-05-21 15:22 ` [PATCH 21/23] maccess: rename probe_user_{read, write} to copy_{from, to}_user_nofault Christoph Hellwig 2020-05-21 15:23 ` [PATCH 22/23] maccess: rename probe_kernel_address to get_kernel_nofault Christoph Hellwig 2020-05-21 15:23 ` Christoph Hellwig 2020-05-21 15:23 ` [PATCH 23/23] maccess: return -ERANGE when copy_from_kernel_nofault_allowed fails Christoph Hellwig 2020-05-21 15:23 ` Christoph Hellwig 2020-05-21 18:03 ` clean up and streamline probe_kernel_* and friends v4 Linus Torvalds 2020-05-21 18:03 ` Linus Torvalds 2020-05-21 18:03 ` Linus Torvalds 2020-05-22 0:22 ` Masami Hiramatsu 2020-05-22 0:22 ` Masami Hiramatsu 2020-05-25 22:19 ` Andrew Morton 2020-05-25 22:19 ` Andrew Morton 2020-05-26 6:13 ` Christoph Hellwig 2020-05-26 6:13 ` Christoph Hellwig 2020-05-28 0:36 ` Andrew Morton 2020-05-28 0:36 ` Andrew Morton
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