From: Jiri Olsa <jolsa@redhat.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
Martin KaFai Lau <kafai@fb.com>, David Miller <davem@redhat.com>,
John Fastabend <john.fastabend@gmail.com>,
Wenbo Zhang <ethercflow@gmail.com>,
KP Singh <kpsingh@chromium.org>, Andrii Nakryiko <andriin@fb.com>,
Brendan Gregg <bgregg@netflix.com>,
Florent Revest <revest@chromium.org>,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 03/11] bpf: Add btf_ids object
Date: Fri, 19 Jun 2020 15:05:39 +0200 [thread overview]
Message-ID: <20200619130539.GC2465907@krava> (raw)
In-Reply-To: <CAEf4BzZBKyP2uifNeH6pBm=wQk_WwhL8DjGdgsjgxmQUNqe_Lw@mail.gmail.com>
On Thu, Jun 18, 2020 at 06:02:48PM -0700, Andrii Nakryiko wrote:
SNIP
> > diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> > index db600ef218d7..0be2ee265931 100644
> > --- a/include/asm-generic/vmlinux.lds.h
> > +++ b/include/asm-generic/vmlinux.lds.h
> > @@ -641,6 +641,10 @@
> > __start_BTF = .; \
> > *(.BTF) \
> > __stop_BTF = .; \
> > + } \
> > + . = ALIGN(4); \
> > + .BTF_ids : AT(ADDR(.BTF_ids) - LOAD_OFFSET) { \
> > + *(.BTF_ids) \
> > }
> > #else
> > #define BTF
> > diff --git a/kernel/bpf/Makefile b/kernel/bpf/Makefile
> > index 1131a921e1a6..21e4fc7c25ab 100644
> > --- a/kernel/bpf/Makefile
> > +++ b/kernel/bpf/Makefile
> > @@ -7,7 +7,7 @@ obj-$(CONFIG_BPF_SYSCALL) += hashtab.o arraymap.o percpu_freelist.o bpf_lru_list
> > obj-$(CONFIG_BPF_SYSCALL) += local_storage.o queue_stack_maps.o ringbuf.o
> > obj-$(CONFIG_BPF_SYSCALL) += disasm.o
> > obj-$(CONFIG_BPF_JIT) += trampoline.o
> > -obj-$(CONFIG_BPF_SYSCALL) += btf.o
> > +obj-$(CONFIG_BPF_SYSCALL) += btf.o btf_ids.o
> > obj-$(CONFIG_BPF_JIT) += dispatcher.o
> > ifeq ($(CONFIG_NET),y)
> > obj-$(CONFIG_BPF_SYSCALL) += devmap.o
> > diff --git a/kernel/bpf/btf_ids.c b/kernel/bpf/btf_ids.c
> > new file mode 100644
> > index 000000000000..e7f9d94ad293
> > --- /dev/null
> > +++ b/kernel/bpf/btf_ids.c
> > @@ -0,0 +1,3 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +
> > +#include "btf_ids.h"
>
> hm... what's the purpose of this btf_ids.c file?
I put all the lists in here.. I can add it in that patch later on
jirka
>
> > diff --git a/kernel/bpf/btf_ids.h b/kernel/bpf/btf_ids.h
> > new file mode 100644
> > index 000000000000..68aa5c38a37f
> > --- /dev/null
> > +++ b/kernel/bpf/btf_ids.h
>
> [...]
>
next prev parent reply other threads:[~2020-06-19 13:06 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-16 10:05 [PATCHv3 0/9] bpf: Add d_path helper Jiri Olsa
2020-06-16 10:05 ` [PATCH 01/11] bpf: Add btfid tool to resolve BTF IDs in ELF object Jiri Olsa
2020-06-19 0:38 ` Andrii Nakryiko
2020-06-19 13:03 ` Jiri Olsa
2020-06-19 18:12 ` Andrii Nakryiko
2020-06-22 8:59 ` Jiri Olsa
2020-06-16 10:05 ` [PATCH 02/11] bpf: Compile btfid tool at kernel compilation start Jiri Olsa
2020-06-18 20:40 ` John Fastabend
2020-06-18 21:17 ` John Fastabend
2020-06-19 13:23 ` Jiri Olsa
2020-06-19 0:40 ` Andrii Nakryiko
2020-06-19 0:47 ` Arnaldo Carvalho de Melo
2020-06-19 2:08 ` Alexei Starovoitov
2020-06-19 3:51 ` Andrii Nakryiko
2020-06-16 10:05 ` [PATCH 03/11] bpf: Add btf_ids object Jiri Olsa
2020-06-19 0:56 ` Andrii Nakryiko
2020-06-19 1:06 ` Andrii Nakryiko
2020-06-19 13:16 ` Jiri Olsa
2020-06-19 13:13 ` Jiri Olsa
2020-06-19 18:15 ` Andrii Nakryiko
2020-06-19 1:02 ` Andrii Nakryiko
2020-06-19 13:05 ` Jiri Olsa [this message]
2020-06-16 10:05 ` [PATCH 04/11] bpf: Resolve BTF IDs in vmlinux image Jiri Olsa
2020-06-16 10:05 ` [PATCH 05/11] bpf: Remove btf_id helpers resolving Jiri Olsa
2020-06-19 1:10 ` Andrii Nakryiko
2020-06-19 13:18 ` Jiri Olsa
2020-06-16 10:05 ` [PATCH 06/11] bpf: Do not pass enum bpf_access_type to btf_struct_access Jiri Olsa
2020-06-19 3:58 ` Andrii Nakryiko
2020-06-19 13:23 ` Jiri Olsa
2020-06-16 10:05 ` [PATCH 07/11] bpf: Allow nested BTF object to be refferenced by BTF object + offset Jiri Olsa
2020-06-16 10:05 ` [PATCH 08/11] bpf: Add BTF whitelist support Jiri Olsa
2020-06-19 4:29 ` Andrii Nakryiko
2020-06-19 13:29 ` Jiri Olsa
2020-06-16 10:05 ` [PATCH 09/11] bpf: Add d_path helper Jiri Olsa
2020-06-19 4:35 ` Andrii Nakryiko
2020-06-19 13:31 ` Jiri Olsa
2020-06-19 18:25 ` Andrii Nakryiko
2020-06-22 9:02 ` Jiri Olsa
2020-06-22 19:18 ` Andrii Nakryiko
2020-06-23 10:02 ` Jiri Olsa
2020-06-23 18:58 ` Andrii Nakryiko
2020-06-23 20:14 ` Jiri Olsa
2020-06-23 20:17 ` Andrii Nakryiko
2020-06-16 10:05 ` [PATCH 10/11] selftests/bpf: Add verifier test for " Jiri Olsa
2020-06-19 4:38 ` Andrii Nakryiko
2020-06-19 13:32 ` Jiri Olsa
2020-06-16 10:05 ` [PATCH 11/11] selftests/bpf: Add " Jiri Olsa
2020-06-19 4:44 ` Andrii Nakryiko
2020-06-19 13:34 ` Jiri Olsa
2020-06-18 20:57 ` [PATCHv3 0/9] bpf: Add " John Fastabend
2020-06-19 12:35 ` Jiri Olsa
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