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Fri, 24 Nov 2023 03:40:39 -0500 X-MC-Unique: QXyK2TnoOxKNhbHg3BDyOw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 98B7D828CEA; Fri, 24 Nov 2023 08:40:38 +0000 (UTC) Received: from localhost (unknown [10.72.112.8]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D59C0112130A; Fri, 24 Nov 2023 08:40:36 +0000 (UTC) Date: Fri, 24 Nov 2023 16:40:33 +0800 From: Baoquan He To: Joe Perches Subject: Re: [PATCH v2 2/7] kexec_file: print out debugging message if required Message-ID: References: <20231124033642.520686-1-bhe@redhat.com> <20231124033642.520686-3-bhe@redhat.com> <971ed2ceaeeba882d2b4c39015ee5ae5db3f5e82.camel@perches.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <971ed2ceaeeba882d2b4c39015ee5ae5db3f5e82.camel@perches.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yujie.liu@intel.com, linux-parisc@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, nathan@kernel.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 11/23/23 at 11:16pm, Joe Perches wrote: > On Fri, 2023-11-24 at 11:36 +0800, Baoquan He wrote: > > Replace pr_debug() with the newly added kexec_dprintk() in kexec_file > > loading related codes. > > trivia for pr_debug -> kexec_dprintk conversions for > the entire patch set: OK, will check all patchset and adjust the indendation, thanks. > > > diff --git a/kernel/crash_core.c b/kernel/crash_core.c > [] > > @@ -551,9 +551,12 @@ int crash_prepare_elf64_headers(struct crash_mem *mem, int need_kernel_map, > > phdr->p_filesz = phdr->p_memsz = mend - mstart + 1; > > phdr->p_align = 0; > > ehdr->e_phnum++; > > - pr_debug("Crash PT_LOAD ELF header. phdr=%p vaddr=0x%llx, paddr=0x%llx, sz=0x%llx e_phnum=%d p_offset=0x%llx\n", > > +#ifdef CONFIG_KEXEC_FILE > > + kexec_dprintk("Crash PT_LOAD ELF header. phdr=%p vaddr=0x%llx, paddr=0x%llx, " > > + "sz=0x%llx e_phnum=%d p_offset=0x%llx\n", > > phdr, phdr->p_vaddr, phdr->p_paddr, phdr->p_filesz, > > ehdr->e_phnum, phdr->p_offset); > > It's good form to rewrap continuation lines to the open parenthesis > > > diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c > [] > > @@ -389,11 +391,12 @@ SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd, > > if (ret) > > goto out; > > > > + kexec_dprintk("nr_segments = %lu\n", image->nr_segments); > > for (i = 0; i < image->nr_segments; i++) { > > struct kexec_segment *ksegment; > > > > ksegment = &image->segment[i]; > > - pr_debug("Loading segment %d: buf=0x%p bufsz=0x%zx mem=0x%lx memsz=0x%zx\n", > > + kexec_dprintk("segment[%d]: buf=0x%p bufsz=0x%zx mem=0x%lx memsz=0x%zx\n", > > i, ksegment->buf, ksegment->bufsz, ksegment->mem, > > ksegment->memsz); > > here too etc... >