From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: Re: [PATCH v5 2/4] crash: Exclude crash kernel memory in crash core
Date: Fri, 13 Feb 2026 17:10:03 +0800 [thread overview]
Message-ID: <202602131740.rGD89wwq-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20260212101001.343158-3-ruanjinjie@huawei.com>
References: <20260212101001.343158-3-ruanjinjie@huawei.com>
TO: Jinjie Ruan <ruanjinjie@huawei.com>
TO: corbet@lwn.net
TO: skhan@linuxfoundation.org
TO: catalin.marinas@arm.com
TO: will@kernel.org
TO: chenhuacai@kernel.org
TO: kernel@xen0n.name
TO: maddy@linux.ibm.com
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TO: paulmck@kernel.org
TO: arnd@arndb.de
TO: ruanjinjie@huawei.com
TO: fvdl@google.com
Hi Jinjie,
kernel test robot noticed the following build warnings:
[auto build test WARNING on powerpc/next]
[also build test WARNING on powerpc/fixes arm64/for-next/core tip/x86/core linus/master v6.19 next-20260212]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jinjie-Ruan/powerpc-crash-sort-crash-memory-ranges-before-preparing-elfcorehdr/20260212-181247
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link: https://lore.kernel.org/r/20260212101001.343158-3-ruanjinjie%40huawei.com
patch subject: [PATCH v5 2/4] crash: Exclude crash kernel memory in crash core
:::::: branch date: 23 hours ago
:::::: commit date: 23 hours ago
config: powerpc-randconfig-r071-20260213 (https://download.01.org/0day-ci/archive/20260213/202602131740.rGD89wwq-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
smatch version: v0.5.0-8994-gd50c5a4c
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202602131740.rGD89wwq-lkp@intel.com/
smatch warnings:
kernel/crash_core.c:201 crash_exclude_mem_ranges() warn: we never enter this loop
vim +201 kernel/crash_core.c
02aff848053381 Baoquan He 2024-01-24 189
6d859d47931b2a Jinjie Ruan 2026-02-12 190 /* Exclude crashkernel region */
6d859d47931b2a Jinjie Ruan 2026-02-12 191 ret = arch_crash_exclude_mem_range(&cmem, crashk_res.start, crashk_res.end);
6d859d47931b2a Jinjie Ruan 2026-02-12 192 if (ret)
6d859d47931b2a Jinjie Ruan 2026-02-12 193 return ret;
02aff848053381 Baoquan He 2024-01-24 194
6d859d47931b2a Jinjie Ruan 2026-02-12 195 if (crashk_low_res.end) {
6d859d47931b2a Jinjie Ruan 2026-02-12 196 ret = arch_crash_exclude_mem_range(&cmem, crashk_low_res.start, crashk_low_res.end);
6d859d47931b2a Jinjie Ruan 2026-02-12 197 if (ret)
6d859d47931b2a Jinjie Ruan 2026-02-12 198 return ret;
6d859d47931b2a Jinjie Ruan 2026-02-12 199 }
02aff848053381 Baoquan He 2024-01-24 200
6d859d47931b2a Jinjie Ruan 2026-02-12 @201 for (i = 0; i < crashk_cma_cnt; ++i) {
6d859d47931b2a Jinjie Ruan 2026-02-12 202 ret = arch_crash_exclude_mem_range(&cmem, crashk_cma_ranges[i].start,
6d859d47931b2a Jinjie Ruan 2026-02-12 203 crashk_cma_ranges[i].end);
6d859d47931b2a Jinjie Ruan 2026-02-12 204 if (ret)
6d859d47931b2a Jinjie Ruan 2026-02-12 205 return ret;
6d859d47931b2a Jinjie Ruan 2026-02-12 206 }
6d859d47931b2a Jinjie Ruan 2026-02-12 207
6d859d47931b2a Jinjie Ruan 2026-02-12 208 /* Return the computed number of memory ranges, for hotplug usage */
6d859d47931b2a Jinjie Ruan 2026-02-12 209 if (nr_mem_ranges)
6d859d47931b2a Jinjie Ruan 2026-02-12 210 *nr_mem_ranges = cmem->nr_ranges;
6d859d47931b2a Jinjie Ruan 2026-02-12 211
6d859d47931b2a Jinjie Ruan 2026-02-12 212 return 0;
6d859d47931b2a Jinjie Ruan 2026-02-12 213 }
6d859d47931b2a Jinjie Ruan 2026-02-12 214
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-02-13 9:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-13 9:10 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-02-12 10:09 [PATCH v5 0/4] arm64/riscv: Add support for crashkernel CMA reservation Jinjie Ruan
2026-02-12 10:09 ` [PATCH v5 2/4] crash: Exclude crash kernel memory in crash core Jinjie Ruan
2026-02-12 10:09 ` Jinjie Ruan
2026-02-12 18:58 ` Mike Rapoport
2026-02-12 18:58 ` Mike Rapoport
2026-02-13 3:02 ` Jinjie Ruan
2026-02-13 3:02 ` Jinjie Ruan
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