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X-CSE-ConnectionGUID: MM+OKgIdQzy3Z4hOL31z8Q== X-CSE-MsgGUID: pLTqxtdkTk25yBcybTGqtw== X-IronPort-AV: E=McAfee;i="6800,10657,11698"; a="71911087" X-IronPort-AV: E=Sophos;i="6.21,285,1763452800"; d="scan'208";a="71911087" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 14:36:59 -0800 X-CSE-ConnectionGUID: ZabLUBVpQsqUdFupslNNvQ== X-CSE-MsgGUID: MSBEmk28TJaeA0OfdScegg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,285,1763452800"; d="scan'208";a="212403937" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa008.jf.intel.com with ESMTP; 11 Feb 2026 14:36:53 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vqIpH-00000000qRi-0j3G; Wed, 11 Feb 2026 22:36:51 +0000 Date: Thu, 12 Feb 2026 06:35:52 +0800 From: kernel test robot To: Coiby Xu , kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Arnaud Lefebvre , Baoquan he , Dave Young , Kairui Song , Pingfan Liu , Andrew Morton , Linux Memory Management List , Krzysztof Kozlowski , Rob Herring , Thomas Staudt , Sourabh Jain , Will Deacon , Catalin Marinas , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Saravana Kannan , linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 2/2] arm64,ppc64le/kdump: pass dm-crypt keys to kdump kernel Message-ID: <202602120648.RgQALnnI-lkp@intel.com> References: <20260211082401.2407853-3-coxu@redhat.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260211082401.2407853-3-coxu@redhat.com> Hi Coiby, kernel test robot noticed the following build errors: [auto build test ERROR on 2619c62b7ef2f463bcbbb34af122689c09855c23] url: https://github.com/intel-lab-lkp/linux/commits/Coiby-Xu/crash_dump-dm-crypt-Don-t-print-in-arch-specific-code/20260211-162729 base: 2619c62b7ef2f463bcbbb34af122689c09855c23 patch link: https://lore.kernel.org/r/20260211082401.2407853-3-coxu%40redhat.com patch subject: [PATCH v4 2/2] arm64,ppc64le/kdump: pass dm-crypt keys to kdump kernel config: powerpc64-randconfig-r111-20260212 (https://download.01.org/0day-ci/archive/20260212/202602120648.RgQALnnI-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260212/202602120648.RgQALnnI-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202602120648.RgQALnnI-lkp@intel.com/ All errors (new ones prefixed by >>): arch/powerpc/kexec/elf_64.c: In function 'elf64_load': >> arch/powerpc/kexec/elf_64.c:82:23: error: implicit declaration of function 'crash_load_dm_crypt_keys' [-Werror=implicit-function-declaration] 82 | ret = crash_load_dm_crypt_keys(image); | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/crash_load_dm_crypt_keys +82 arch/powerpc/kexec/elf_64.c 27 28 static void *elf64_load(struct kimage *image, char *kernel_buf, 29 unsigned long kernel_len, char *initrd, 30 unsigned long initrd_len, char *cmdline, 31 unsigned long cmdline_len) 32 { 33 int ret; 34 unsigned long kernel_load_addr; 35 unsigned long initrd_load_addr = 0, fdt_load_addr; 36 void *fdt; 37 const void *slave_code; 38 struct elfhdr ehdr; 39 char *modified_cmdline = NULL; 40 struct crash_mem *rmem = NULL; 41 struct kexec_elf_info elf_info; 42 struct kexec_buf kbuf = { .image = image, .buf_min = 0, 43 .buf_max = ppc64_rma_size }; 44 struct kexec_buf pbuf = { .image = image, .buf_min = 0, 45 .buf_max = ppc64_rma_size, .top_down = true, 46 .mem = KEXEC_BUF_MEM_UNKNOWN }; 47 48 ret = kexec_build_elf_info(kernel_buf, kernel_len, &ehdr, &elf_info); 49 if (ret) 50 return ERR_PTR(ret); 51 52 if (IS_ENABLED(CONFIG_CRASH_DUMP) && image->type == KEXEC_TYPE_CRASH) { 53 /* min & max buffer values for kdump case */ 54 kbuf.buf_min = pbuf.buf_min = crashk_res.start; 55 kbuf.buf_max = pbuf.buf_max = 56 ((crashk_res.end < ppc64_rma_size) ? 57 crashk_res.end : (ppc64_rma_size - 1)); 58 } 59 60 ret = kexec_elf_load(image, &ehdr, &elf_info, &kbuf, &kernel_load_addr); 61 if (ret) 62 goto out; 63 64 kexec_dprintk("Loaded the kernel at 0x%lx\n", kernel_load_addr); 65 66 ret = kexec_load_purgatory(image, &pbuf); 67 if (ret) { 68 pr_err("Loading purgatory failed.\n"); 69 goto out; 70 } 71 72 kexec_dprintk("Loaded purgatory at 0x%lx\n", pbuf.mem); 73 74 /* Load additional segments needed for panic kernel */ 75 if (IS_ENABLED(CONFIG_CRASH_DUMP) && image->type == KEXEC_TYPE_CRASH) { 76 ret = load_crashdump_segments_ppc64(image, &kbuf); 77 if (ret) { 78 pr_err("Failed to load kdump kernel segments\n"); 79 goto out; 80 } 81 > 82 ret = crash_load_dm_crypt_keys(image); 83 if (ret) 84 goto out; 85 86 /* Setup cmdline for kdump kernel case */ 87 modified_cmdline = setup_kdump_cmdline(image, cmdline, 88 cmdline_len); 89 if (!modified_cmdline) { 90 pr_err("Setting up cmdline for kdump kernel failed\n"); 91 ret = -EINVAL; 92 goto out; 93 } 94 cmdline = modified_cmdline; 95 } 96 97 if (initrd != NULL) { 98 kbuf.buffer = initrd; 99 kbuf.bufsz = kbuf.memsz = initrd_len; 100 kbuf.buf_align = PAGE_SIZE; 101 kbuf.top_down = false; 102 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; 103 ret = kexec_add_buffer(&kbuf); 104 if (ret) 105 goto out; 106 initrd_load_addr = kbuf.mem; 107 108 kexec_dprintk("Loaded initrd at 0x%lx\n", initrd_load_addr); 109 } 110 111 ret = get_reserved_memory_ranges(&rmem); 112 if (ret) 113 goto out; 114 115 fdt = of_kexec_alloc_and_setup_fdt(image, initrd_load_addr, 116 initrd_len, cmdline, 117 kexec_extra_fdt_size_ppc64(image, rmem)); 118 if (!fdt) { 119 pr_err("Error setting up the new device tree.\n"); 120 ret = -EINVAL; 121 goto out; 122 } 123 124 ret = setup_new_fdt_ppc64(image, fdt, rmem); 125 if (ret) 126 goto out_free_fdt; 127 128 if (!IS_ENABLED(CONFIG_CRASH_HOTPLUG) || image->type != KEXEC_TYPE_CRASH) 129 fdt_pack(fdt); 130 131 kbuf.buffer = fdt; 132 kbuf.bufsz = kbuf.memsz = fdt_totalsize(fdt); 133 kbuf.buf_align = PAGE_SIZE; 134 kbuf.top_down = true; 135 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; 136 ret = kexec_add_buffer(&kbuf); 137 if (ret) 138 goto out_free_fdt; 139 140 /* FDT will be freed in arch_kimage_file_post_load_cleanup */ 141 image->arch.fdt = fdt; 142 143 fdt_load_addr = kbuf.mem; 144 145 kexec_dprintk("Loaded device tree at 0x%lx\n", fdt_load_addr); 146 147 slave_code = elf_info.buffer + elf_info.proghdrs[0].p_offset; 148 ret = setup_purgatory_ppc64(image, slave_code, fdt, kernel_load_addr, 149 fdt_load_addr); 150 if (ret) 151 pr_err("Error setting up the purgatory.\n"); 152 153 goto out; 154 155 out_free_fdt: 156 kvfree(fdt); 157 out: 158 kfree(rmem); 159 kfree(modified_cmdline); 160 kexec_free_elf_info(&elf_info); 161 162 return ret ? ERR_PTR(ret) : NULL; 163 } 164 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki