From nobody Tue Dec 2 00:05:28 2025 Received: from smtpbguseast2.qq.com (smtpbguseast2.qq.com [54.204.34.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCE672F6578 for ; Wed, 26 Nov 2025 08:46:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.204.34.130 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764146819; cv=none; b=LuBC/vOCupcg0bAodgnBtSbW+dEFJnM7rviTmATN8y/VJJvlNOLPYplTRSsVTO3jallfLPau1Whik31lcBVI9xnnlYvUFrW90vZSwKMt9l7EF61fww3J89YNNNORSaE2vllSgwqGfCoiAx4f4QwgvoS8+evT74Pr6i5i2i97OvQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764146819; c=relaxed/simple; bh=HBdMsoxfzrooA9aJOoWQOloTKjno/0Z/5gw/s/NCZto=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=XI/5Ds0OFlRybURiSwDE+J0hRAeNtGCYgh5lK/yqXsiKOEAu2x3DGMdAVUaRsisueWWFVLf6bjglRtOoWu2TSqP7zqtP6Vt4ykdOPirKIgpMpLNvdLaFK75rCxlMq6W8xKcyB9vbnPcyX7htTcbC2M8lXeRQb2oiAJQQKUAt2fo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=uniontech.com; spf=pass smtp.mailfrom=uniontech.com; dkim=pass (1024-bit key) header.d=uniontech.com header.i=@uniontech.com header.b=TqjHmuHA; arc=none smtp.client-ip=54.204.34.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=uniontech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=uniontech.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=uniontech.com header.i=@uniontech.com header.b="TqjHmuHA" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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 Content-Type: text/plain; charset="utf-8" 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@int= el.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; =20 + 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 =3D xchg(dest_image, image); =20 --=20 2.20.1