From mboxrd@z Thu Jan 1 00:00:00 1970 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 077FAD10395 for ; Wed, 26 Nov 2025 08:46:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qGNuORN0t3L6I+PuR7sub8AbC3vZBOSESWhy7WJ2t8U=; b=0AygjaRKkzahNezSjzqepS+wmw VpsE90mcqEDu2E2KEz/WUwdQPU9QOdsmsSSTtSfWBruMZGM1mSsZ/0aF7hBpoXBtEdE3US14nnm0x ivO5VECtwisWWnvmZo+GltY6sTryPtJLwwD0HQrxhfowP30QU+DL8Hw/i7sqR2XjV6hHKoNGzJjA9 0gCyAUsWNQp/cGx7OWssnC1uFu74+0OvDUdhFAgvV7oFgWS3LVVhTG3dhIkvQYERPg9QrWDN1NZMb +5KWvvB9h78pHkiu0AW1pmnfoUuMJgtsUMpB9NlEOjBC+IINdp1IbiRX46InJGtvksBmKXXQm7XaJ b5V+/62g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOBAg-0000000Edw4-23lm; Wed, 26 Nov 2025 08:46:42 +0000 Received: from smtpbg150.qq.com ([18.132.163.193]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOBAd-0000000EdtF-0mS6 for kexec@lists.infradead.org; Wed, 26 Nov 2025 08:46:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=uniontech.com; s=onoh2408; t=1764146759; bh=qGNuORN0t3L6I+PuR7sub8AbC3vZBOSESWhy7WJ2t8U=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=TqjHmuHApgPBK7SGiiaVQQJbevRmaqBwKlHrJSfMzvJEJvge8vxDUQu7AAH0c+fC2 vMaeVx6VHe8hYU7ofVKj3yK7JAHXObA07NO6KoJgMR6BYwUkqwkGkotEZ8MoiD03bU J7wWPGEujuFWXBhsABVMq4uMSTmW+XioNQLxcSOM= X-QQ-mid: zesmtpgz7t1764146739t764c441f X-QQ-Originating-IP: Vr8J1j+CLmg91OoUs+VveyFmBNz+sNXr0fX3rVYxhaM= Received: from localhost.localdomain ( [123.114.60.34]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 26 Nov 2025 16:45:37 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 1 X-BIZMAIL-ID: 2413188078539060852 EX-QQ-RecipientCnt: 6 From: Qiang Ma To: akpm@linux-foundation.org, bhe@redhat.com Cc: kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Qiang Ma , kernel test robot Subject: [PATCH v3 3/3] kexec: print out debugging message if required for kexec_load Date: Wed, 26 Nov 2025 16:44:27 +0800 Message-Id: <20251126084427.3222212-4-maqianga@uniontech.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20251126084427.3222212-1-maqianga@uniontech.com> References: <20251126084427.3222212-1-maqianga@uniontech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:uniontech.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: NhUkPfKlCtQw9TcIzUupQSdZhEzk4ofBsDYkBhfqKN4NmwuIiAh4teii 7IK2nUdopWwS/6SCcv28zK56PGMWbySdfo8ptoIbLno92phJBzKXNbwt3tBZV2k81aWK+XT WzuNbGGTph72ph8T8EwRM43Zfa5ZBv6Dey1A6Iw3qfSnZNZYEaBkKHG/BcgFm+D0aUhwXeI W2YU7eOKRDwQ7WMZQlmU1eOR6aWRwd4t9N5UBTyNyLftgTYFUNEwIJRazI2KyLG3fztaZNw +IbZ9uja9TpsKOOLLzf+SiHinHU0geqYRSmM05UKT/zhob1OLLerkSeMe8BMJVmiukZYsOF kuudNBhZwPwXYl7O8dI3QL+ZAvXThK5RMMoo7wCamvsZJWYsZYAoxokjPCjw0L9iI2/SBdn G75AA3qxq40cklSlcTSMWJHJtB1sdyvM/dRksZvpH30pano7/wB5104Qaauaxci+up4nTv5 gkBtuEP2Wol10nZH8ZmqJymF17/5NiUYs8ZXrvRo1wX5uEINX6ubcDZV4lDCoUr37QCGZ2M oSaoUKahnnpOkelV/qbYmANyHe4bEju2YC24jzObLLcH46FS/Cov69N9wHbJb0x+GO4VLbX OcJtaIIxUomx+GwCjvo2HJwofeTkRPxbOOJ+ISIRUE7ZsClEhCPJXMorHaB3Vl9M52c6lRe U+v16PU7iIUNT5WjaIdhj1EBltYGl1w+InkZVh5f/CGjCd96weZXN4dVOCboXZahiy8HcxH clLK7CGYhHw167+3apusYSHmXIJnzPx92c1GB6vNLCwlQhzQJClztf3EcaaE0jQ+p3Mfy7R KrPt+hKEm2/xaCEviynMWxOCV8SihP43rVpnKeWuT7sikzhDKKWvWuwOyZb12U43QpYWhKG SR/IhN6pZKbw19g4t5Ctbc9eC6CCA/aqKLChG4qV3a30bfYmL5WKrR+mLoeUz2H1GrPYnsD v4BsIiEfLfYTizz23UGfp0qw3sj8TWusP+65NEWANFEn3rBDk9geDur9aSuF/L+HaFyEngM +cCDxQCfkHfGZS3LBeLh4TSoqNsIDNQExNwYiF4u5te+soMWCHE/owQKcgw5E3koitY2QRk g== X-QQ-XMRINFO: MSVp+SPm3vtS1Vd6Y4Mggwc= X-QQ-RECHKSPAM: 0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251126_004639_695946_3398BC33 X-CRM114-Status: UNSURE ( 9.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org The commit a85ee18c7900 ("kexec_file: print out debugging message if required") has added general code printing in kexec_file_load(), but not in kexec_load(). As a result, when using '-d' for the kexec_load interface, print nothing in the kernel space. And print out type/start/head of kimage and flags to help debug. Signed-off-by: Qiang Ma Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202510310332.6XrLe70K-lkp@intel.com/ --- kernel/kexec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/kexec.c b/kernel/kexec.c index f6c58c767eb0..37e4ac8af9f3 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -166,6 +166,9 @@ static int do_kexec_load(unsigned long entry, unsigned long nr_segments, if (ret) goto out; + kexec_dprintk("kexec_load: type:%u, start:0x%lx head:0x%lx flags:0x%lx\n", + image->type, image->start, image->head, flags); + /* Install the new kernel and uninstall the old */ image = xchg(dest_image, image); -- 2.20.1