From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Alexander Lobakin <alexandr.lobakin@intel.com>
Cc: "Miroslav Benes" <mbenes@suse.cz>,
"Fāng-ruì Sòng" <maskray@google.com>,
linux-hardening@vger.kernel.org, x86@kernel.org,
"Borislav Petkov" <bp@alien8.de>,
"Jesse Brandeburg" <jesse.brandeburg@intel.com>,
"Kristen Carlson Accardi" <kristen@linux.intel.com>,
"Kees Cook" <keescook@chromium.org>,
"Miklos Szeredi" <miklos@szeredi.hu>,
"Ard Biesheuvel" <ardb@kernel.org>,
"Tony Luck" <tony.luck@intel.com>,
"Bruce Schlobohm" <bruce.schlobohm@intel.com>,
"Jessica Yu" <jeyu@kernel.org>,
"kernel test robot" <lkp@intel.com>,
"Evgenii Shatokhin" <eshatokhin@virtuozzo.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Masahiro Yamada" <masahiroy@kernel.org>,
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llvm@lists.linux.dev
Subject: Re: [PATCH v10 02/15] livepatch: avoid position-based search if `-z unique-symbol` is available
Date: Fri, 18 Feb 2022 12:08:08 -0800 [thread overview]
Message-ID: <20220218200808.juxnoidtxa7fjsk7@treble> (raw)
In-Reply-To: <20220218163111.98564-1-alexandr.lobakin@intel.com>
On Fri, Feb 18, 2022 at 05:31:11PM +0100, Alexander Lobakin wrote:
> it took 2 minutes to generate the whole map (instead of a split
> second) (on 64-core CPU, but I guess nm runs in one thread).
> I guess it can be optimized? I'm no a binutils master (will take a
> look after sending this), is there a way to do it manually skipping
> this nm lag or maybe make nm emit filenames without such delays?
Hm, yeah, adding 2 minutes to the link time isn't going to fly ;-) It
probably takes a while to parse all the DWARF.
Based on ther other discussions I think just using the basename (main.o)
in STT_FILE would be good enough. Some duplicates are probably ok.
--
Josh
next prev parent reply other threads:[~2022-02-18 20:08 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-09 18:57 [PATCH v10 00/15] Function Granular KASLR Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 01/15] modpost: fix removing numeric suffixes Alexander Lobakin
2022-05-03 0:57 ` Masahiro Yamada
2022-05-03 7:31 ` Petr Mladek
2022-05-23 18:04 ` Masahiro Yamada
2022-05-24 11:33 ` Alexander Lobakin
2022-05-24 13:40 ` Masahiro Yamada
2022-02-09 18:57 ` [PATCH v10 02/15] livepatch: avoid position-based search if `-z unique-symbol` is available Alexander Lobakin
2022-02-11 17:41 ` Josh Poimboeuf
2022-02-11 18:05 ` Fāng-ruì Sòng
2022-02-11 18:35 ` Josh Poimboeuf
2022-02-14 12:24 ` Alexander Lobakin
2022-02-14 18:10 ` Josh Poimboeuf
2022-02-16 20:32 ` Joe Lawrence
2022-02-16 22:13 ` Josh Poimboeuf
2022-02-16 15:15 ` Miroslav Benes
2022-02-16 20:01 ` Josh Poimboeuf
2022-02-18 16:31 ` Alexander Lobakin
2022-02-18 20:08 ` Josh Poimboeuf [this message]
2022-02-14 12:14 ` Alexander Lobakin
2022-02-14 18:57 ` Josh Poimboeuf
2022-02-16 15:06 ` Miroslav Benes
2022-02-16 19:57 ` Josh Poimboeuf
2022-02-17 7:45 ` Miroslav Benes
2022-02-09 18:57 ` [PATCH v10 03/15] kallsyms: randomize /proc/kallsyms output order Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 04/15] arch: introduce asm function sections Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 05/15] x86: support " Alexander Lobakin
2022-02-11 15:45 ` Peter Zijlstra
2022-02-14 11:49 ` Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 06/15] x86: decouple ORC table sorting into a separate file Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 07/15] Makefile: add config options and build scripts for FG-KASLR Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 08/15] x86/tools: Add relative relocs for randomized functions Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 09/15] x86: Add support for function granular KASLR Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 10/15] FG-KASLR: use a scripted approach to handle .text.* sections Alexander Lobakin
2022-02-11 15:37 ` Peter Zijlstra
2022-02-14 11:34 ` Alexander Lobakin
2022-02-14 11:59 ` Peter Zijlstra
2022-02-14 12:30 ` Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 11/15] x86/boot: allow FG-KASLR to be selected Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 12/15] module: add arch-indep FG-KASLR for randomizing function layout Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 13/15] module: use a scripted approach for FG-KASLR Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 14/15] Documentation: add documentation " Alexander Lobakin
2022-02-09 18:57 ` [PATCH v10 15/15] maintainers: add MAINTAINERS entry " Alexander Lobakin
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