From patchwork Wed Dec 13 05:57:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 13490382 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6A500C4332F for ; Wed, 13 Dec 2023 05:59:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=B2jiOv4dpJIsEPvKPmBJRTSoxoq/c8GimobSV2b34kc=; b=wwbHRsWniwhRBR t2ie93yKaJ29avbBifu80jteVAX4C4DtUlxn/AVLCfWg6ve44dbjmlyHNE6f3rXvoiDQ0cNSh35ll o8mM8/vNV+f81m7+oeoXvSikhF874ezc8PrYyedKbiuA+1jQg5KDszIo4gBe80Y1IlIVbNoNQZukx W4gHpqwgV9fPOd7M0ZeuEUIj5qJSPgQVBY+OguXlsinBMmHhu+95/sA+qz5cRfBaZOHF22hO9QJOk jNzZ1mEqMBR3WlkZCNSZwS+YU2RgFmmNe/mGuwZv5/XXdJE9jgxPQlsuNHnt0aDrrqc55g9ZuZPmE v9inuwn4wJKp7YSZ4onQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rDIGg-00DhU5-09; Wed, 13 Dec 2023 05:58:50 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rDIGZ-00DhNC-2j for linux-arm-kernel@lists.infradead.org; Wed, 13 Dec 2023 05:58:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702447122; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9wq173fKfMY/V8PZpOVGpQY9CuUl3htgyY5RhWvRDUQ=; b=Yu9+9nU4kpvsy5+90827g0qm1mik6Nh7wgVSs9MVYgfoykAXZ2bujCYlM539JgGDtU4cnz D6rnyNLrUVBpuRVleMMupqzlUDTYYMM5KZ5iS61au+gTh66FpP8StNgl31SJz48mXt0mXB wTg/+iyo4XdgcVaTxO8FBAbbamzcspg= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-93-c-eIGM3BMlOy0Lj4s5h52g-1; Wed, 13 Dec 2023 00:58:36 -0500 X-MC-Unique: c-eIGM3BMlOy0Lj4s5h52g-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (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 A9DC9803927; Wed, 13 Dec 2023 05:58:35 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.116.83]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0BF541C060AF; Wed, 13 Dec 2023 05:58:30 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: kexec@lists.infradead.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, akpm@linux-foundation.org, joe@perches.com, nathan@kernel.org, conor@kernel.org, Baoquan He Subject: [PATCH v4 7/7] kexec_file, parisc: print out debugging message if required Date: Wed, 13 Dec 2023 13:57:47 +0800 Message-ID: <20231213055747.61826-8-bhe@redhat.com> In-Reply-To: <20231213055747.61826-1-bhe@redhat.com> References: <20231213055747.61826-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231212_215843_973274_47C19BA4 X-CRM114-Status: GOOD ( 11.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Then when specifying '-d' for kexec_file_load interface, loaded locations of kernel/initrd/cmdline etc can be printed out to help debug. Here replace pr_debug() with the newly added kexec_dprintk() in kexec_file loading related codes. Signed-off-by: Baoquan He --- arch/parisc/kernel/kexec_file.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/parisc/kernel/kexec_file.c b/arch/parisc/kernel/kexec_file.c index 8c534204f0fd..3fc82130b6c3 100644 --- a/arch/parisc/kernel/kexec_file.c +++ b/arch/parisc/kernel/kexec_file.c @@ -38,8 +38,8 @@ static void *elf_load(struct kimage *image, char *kernel_buf, for (i = 0; i < image->nr_segments; i++) image->segment[i].mem = __pa(image->segment[i].mem); - pr_debug("Loaded the kernel at 0x%lx, entry at 0x%lx\n", - kernel_load_addr, image->start); + kexec_dprintk("Loaded the kernel at 0x%lx, entry at 0x%lx\n", + kernel_load_addr, image->start); if (initrd != NULL) { kbuf.buffer = initrd; @@ -51,7 +51,7 @@ static void *elf_load(struct kimage *image, char *kernel_buf, if (ret) goto out; - pr_debug("Loaded initrd at 0x%lx\n", kbuf.mem); + kexec_dprintk("Loaded initrd at 0x%lx\n", kbuf.mem); image->arch.initrd_start = kbuf.mem; image->arch.initrd_end = kbuf.mem + initrd_len; } @@ -68,7 +68,7 @@ static void *elf_load(struct kimage *image, char *kernel_buf, if (ret) goto out; - pr_debug("Loaded cmdline at 0x%lx\n", kbuf.mem); + kexec_dprintk("Loaded cmdline at 0x%lx\n", kbuf.mem); image->arch.cmdline = kbuf.mem; } out: