From: Josh Poimboeuf <jpoimboe@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH 0/5] objtool: warning improvements
Date: Mon, 27 Mar 2023 09:00:43 -0700 [thread overview]
Message-ID: <cover.1679932620.git.jpoimboe@kernel.org> (raw)
Add some user-friendliness to the warnings:
- Add OBJTOOL_ARGS="--verbose" option for making it easier to debug
objtool warnings over email
- Remove per-file rate limiting (doesn't make sense for vmlinux.o)
- Add "missing __noreturn" warning
Josh Poimboeuf (5):
objtool: Add '--verbose' option for disassembling affected functions
objtool: Combine '--backtrace' with '--verbose'
objtool: Remove superfluous dead_end_function() check
objtool: Add per-function rate limiting for unreachable warnings
objtool: Add "missing __noreturn" warning
tools/objtool/Documentation/objtool.txt | 12 ++++++
tools/objtool/builtin-check.c | 2 +-
tools/objtool/check.c | 45 ++++++++++++---------
tools/objtool/include/objtool/builtin.h | 2 +-
tools/objtool/include/objtool/elf.h | 1 +
tools/objtool/include/objtool/warn.h | 52 ++++++++++++++++++++++---
6 files changed, 88 insertions(+), 26 deletions(-)
--
2.39.2
next reply other threads:[~2023-03-27 16:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 16:00 Josh Poimboeuf [this message]
2023-03-27 16:00 ` [PATCH 1/5] objtool: Add '--verbose' option for disassembling affected functions Josh Poimboeuf
2023-03-28 8:47 ` Miroslav Benes
2023-03-27 16:00 ` [PATCH 2/5] objtool: Combine '--backtrace' with '--verbose' Josh Poimboeuf
2023-03-28 8:07 ` Peter Zijlstra
2023-03-28 20:19 ` Josh Poimboeuf
2023-03-29 7:25 ` Peter Zijlstra
2023-03-27 16:00 ` [PATCH 3/5] objtool: Remove superfluous dead_end_function() check Josh Poimboeuf
2023-03-27 16:00 ` [PATCH 4/5] objtool: Add per-function rate limiting for unreachable warnings Josh Poimboeuf
2023-03-28 8:11 ` Peter Zijlstra
2023-03-28 20:22 ` Josh Poimboeuf
2023-03-29 7:26 ` Peter Zijlstra
2023-03-28 9:07 ` Miroslav Benes
2023-03-27 16:00 ` [PATCH 5/5] objtool: Add "missing __noreturn" warning Josh Poimboeuf
2023-03-28 9:10 ` Miroslav Benes
2023-03-29 16:24 ` Josh Poimboeuf
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