From: kbuild test robot <lkp@intel.com>
To: Jessica Yu <jeyu@kernel.org>
Cc: kbuild-all@01.org, Torsten Duwe <duwe@lst.de>,
Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Julien Thierry <julien.thierry@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Ingo Molnar <mingo@redhat.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Arnd Bergmann <arnd@arndb.de>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, live-patching@vger.kernel.org
Subject: Re: [PATCH] arm64/module: use mod->klp_info section header information
Date: Wed, 24 Oct 2018 03:32:11 +0800 [thread overview]
Message-ID: <201810240304.xBI18Icm%fengguang.wu@intel.com> (raw)
In-Reply-To: <20181023175553.gaobskk26koft6s2@linux-8ccs>
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Hi Jessica,
I love your patch! Perhaps something to improve:
[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on v4.19 next-20181019]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Jessica-Yu/arm64-module-use-mod-klp_info-section-header-information/20181024-023709
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: x86_64-randconfig-x002-201842 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
kernel/module.c: In function 'post_relocation':
>> kernel/module.c:3369:30: warning: passing argument 2 of 'copy_module_elf' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
err = copy_module_elf(mod, info);
^~~~
kernel/module.c:2103:12: note: expected 'struct load_info *' but argument is of type 'const struct load_info *'
static int copy_module_elf(struct module *mod, struct load_info *info)
^~~~~~~~~~~~~~~
vim +3369 kernel/module.c
3353
3354 static int post_relocation(struct module *mod, const struct load_info *info)
3355 {
3356 int err;
3357
3358 /* Sort exception table now relocations are done. */
3359 sort_extable(mod->extable, mod->extable + mod->num_exentries);
3360
3361 /* Copy relocated percpu area over. */
3362 percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr,
3363 info->sechdrs[info->index.pcpu].sh_size);
3364
3365 /* Setup kallsyms-specific fields. */
3366 add_kallsyms(mod, info);
3367
3368 if (is_livepatch_module(mod)) {
> 3369 err = copy_module_elf(mod, info);
3370 if (err < 0)
3371 return err;
3372 }
3373
3374 /* Arch-specific module finalizing. */
3375 err = module_finalize(info->hdr, info->sechdrs, mod);
3376 if (err < 0)
3377 free_module_elf(mod);
3378
3379 return err;
3380 }
3381
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2018-10-23 19:33 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-01 14:09 [PATCH v3 0/4] arm64 live patching Torsten Duwe
2018-10-01 14:16 ` [PATCH v3 1/4] DYNAMIC_FTRACE configurable with and without REGS Torsten Duwe
2018-10-01 14:52 ` Ard Biesheuvel
2018-10-01 15:03 ` Torsten Duwe
2018-10-01 15:06 ` Ard Biesheuvel
2018-10-01 15:10 ` Torsten Duwe
2018-10-01 15:14 ` Steven Rostedt
2018-10-01 14:16 ` [PATCH v3 2/4] arm64: implement ftrace with regs Torsten Duwe
2018-10-01 15:57 ` Ard Biesheuvel
2018-10-02 10:02 ` Torsten Duwe
2018-10-02 10:39 ` Ard Biesheuvel
2018-10-02 11:27 ` Mark Rutland
2018-10-02 12:18 ` Torsten Duwe
2018-10-02 12:57 ` Mark Rutland
2018-10-01 14:16 ` [PATCH v3 3/4] arm64: implement live patching Torsten Duwe
2018-10-17 13:39 ` Miroslav Benes
2018-10-18 12:58 ` Jessica Yu
2018-10-19 11:59 ` Miroslav Benes
2018-10-19 12:18 ` Jessica Yu
2018-10-19 15:14 ` Miroslav Benes
2018-10-19 13:46 ` Torsten Duwe
2018-10-19 13:52 ` Ard Biesheuvel
2018-10-19 15:21 ` Miroslav Benes
2018-10-20 14:10 ` Ard Biesheuvel
2018-10-22 12:53 ` Miroslav Benes
2018-10-22 14:54 ` Torsten Duwe
2018-10-23 17:55 ` [PATCH] arm64/module: use mod->klp_info section header information Jessica Yu
2018-10-23 19:32 ` kbuild test robot [this message]
2018-10-24 11:57 ` Miroslav Benes
2018-10-25 8:08 ` Petr Mladek
2018-10-25 9:00 ` Miroslav Benes
2018-10-25 11:42 ` Jessica Yu
2018-10-26 17:25 ` [PATCH v2] arm64/module: use mod->klp_info section header information for livepatch modules Jessica Yu
2018-10-29 13:24 ` Miroslav Benes
2018-10-29 13:32 ` Jessica Yu
2018-10-29 15:28 ` Will Deacon
2018-10-30 13:19 ` Jessica Yu
2018-11-01 15:18 ` Miroslav Benes
2018-11-01 16:07 ` Will Deacon
2018-11-05 12:30 ` Ard Biesheuvel
2018-11-05 17:57 ` [PATCH] arm64/module: use plt section indices for relocations Jessica Yu
2018-11-05 18:04 ` Ard Biesheuvel
2018-11-05 18:53 ` [PATCH v2] " Jessica Yu
2018-11-05 18:56 ` Ard Biesheuvel
2018-11-05 19:26 ` Will Deacon
2018-11-05 19:49 ` Jessica Yu
2018-11-06 9:44 ` Miroslav Benes
2018-10-01 14:16 ` [PATCH v3 4/4] arm64: reliable stacktraces Torsten Duwe
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