From: Peter Zijlstra <peterz@infradead.org>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
Miroslav Benes <mbenes@suse.cz>
Subject: Re: [PATCH 14/18] objtool: Add toolchain hacks cmdline option
Date: Thu, 14 Apr 2022 10:09:46 +0200 [thread overview]
Message-ID: <YlfWynPt6MGR5BZP@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <e04ec8f01fcb537675d6bd94ef65103a0a749318.1649891421.git.jpoimboe@redhat.com>
On Wed, Apr 13, 2022 at 04:19:49PM -0700, Josh Poimboeuf wrote:
> Objtool secretly does a few awful hacks to overcome toolchain
> limitations. Make those hacks explicit (and optional for other arches)
> by associating them with a new '--hacks' cmdline option and
> corresponding CONFIG_HAVE_TOOLCHAIN_HACKS.
Should we either clarify the specific hacks done, or split this in two
options?
--hack-jump_label
--hack-noinstr
next prev parent reply other threads:[~2022-04-14 8:09 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-13 23:19 [PATCH 00/18] objtool: Interface overhaul Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 01/18] objtool: Enable unreachable warnings for CLANG LTO Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 02/18] objtool: Support data symbol printing Josh Poimboeuf
2022-04-14 7:05 ` Peter Zijlstra
2022-04-14 15:21 ` Josh Poimboeuf
2022-04-14 15:31 ` Peter Zijlstra
2022-04-14 15:38 ` Josh Poimboeuf
2022-04-14 16:36 ` Peter Zijlstra
2022-04-14 17:01 ` Josh Poimboeuf
2022-04-14 17:21 ` Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 03/18] objtool: Add sec+offset to warnings Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 04/18] objtool: Print data address for "!ENDBR" data warnings Josh Poimboeuf
2022-04-14 7:36 ` Peter Zijlstra
2022-04-13 23:19 ` [PATCH 05/18] objtool: Use offstr() to print address of missing ENDBR Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 06/18] libsubcmd: Fix OPTION_GROUP sorting Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 07/18] objtool: Reorganize cmdline options Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 08/18] objtool: Ditch subcommands Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 09/18] objtool: Add stack validation cmdline option Josh Poimboeuf
2022-04-14 8:43 ` Peter Zijlstra
2022-04-14 15:52 ` Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 10/18] objtool: Extricate ibt from stack validation Josh Poimboeuf
2022-04-14 7:53 ` Peter Zijlstra
2022-04-14 15:44 ` Josh Poimboeuf
2022-04-14 16:38 ` Peter Zijlstra
2022-04-14 17:05 ` Josh Poimboeuf
2022-04-14 18:25 ` Josh Poimboeuf
2022-04-14 19:01 ` Peter Zijlstra
2022-04-14 19:07 ` Josh Poimboeuf
2022-04-14 18:49 ` Peter Zijlstra
2022-04-13 23:19 ` [PATCH 11/18] objtool: Add CONFIG_OBJTOOL Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 12/18] objtool: Make stack validation frame-pointer-specific Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 13/18] objtool: Add static call cmdline option Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 14/18] objtool: Add toolchain hacks " Josh Poimboeuf
2022-04-14 8:09 ` Peter Zijlstra [this message]
2022-04-14 15:49 ` Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 15/18] objtool: Rename "VMLINUX_VALIDATION" -> "NOINSTR_VALIDATION" Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 16/18] objtool: Add HAVE_NOINSTR_VALIDATION Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 17/18] objtool: Remove --lto and --vmlinux Josh Poimboeuf
2022-04-14 8:13 ` Peter Zijlstra
2022-04-15 2:18 ` Josh Poimboeuf
2022-04-13 23:19 ` [PATCH 18/18] objtool: Update documentation Josh Poimboeuf
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