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Date: Wed, 3 Jun 2015 18:33:14 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Wang Nan <wangnan0@...wei.com> Cc: namhyung@...nel.org, alexei.starovoitov@...il.com, masami.hiramatsu.pt@...achi.com, paulus@...ba.org, a.p.zijlstra@...llo.nl, mingo@...hat.com, jolsa@...nel.org, dsahern@...il.com, daniel@...earbox.net, brendan.d.gregg@...il.com, lizefan@...wei.com, hekuang@...wei.com, xiakaixu@...wei.com, linux-kernel@...r.kernel.org, pi3orama@....com Subject: Re: [RFC PATCH v5 06/30] bpf tools: Open eBPF object file and do basic validation Em Mon, Jun 01, 2015 at 07:37:52AM +0000, Wang Nan escreveu: > This patch defines basic interface of libbpf. 'struct bpf_object' will > be the handler of each object file. Its internal structure is hide to > user. eBPF object files are compiled by LLVM as ELF format. In this > patch, libelf is used to open those files, read EHDR and do basic > validation according to e_type and e_machine. > > All elf related staffs are grouped together and reside in efile field of > 'struct bpf_object'. bpf_object__elf_finish() is introduced to clear it. > > After all eBPF programs in an object file are loaded, related ELF > information is useless. Close the object file and free those memory. > > zfree() and zclose() are introduced to ensure setting NULL pointers and > negative file descriptors after resources are released. > > Signed-off-by: Wang Nan <wangnan0@...wei.com> > Acked-by: Alexei Starovoitov <ast@...mgrid.com> Plese do: cd .git/hooks/ mv To avoid submitting patches that produce this: [acme@...andy linux]$ am /wb/1.patch Applying: bpf tools: Open eBPF object file and do basic validation /home/acme/git/linux/.git/rebase-apply/patch:98: trailing whitespace. /home/acme/git/linux/.git/rebase-apply/patch:145: space before tab in indent. pr_debug("loading %s\n", path); warning: 2 lines add whitespace errors. tools/lib/bpf/libbpf.c:130: trailing whitespace. + tools/lib/bpf/libbpf.c:177: space before tab in indent. + pr_debug("loading %s\n", path); [acme@...andy linux]$ ---------------------------- Fixing it up this time, - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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