From nobody Mon Feb 9 11:02:41 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 CE986189B86 for ; Mon, 23 Dec 2024 08:54:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734944100; cv=none; b=LmBhU//EqRl/CBNas09w4Zv/SrBU0nWsjbyqxuVO1YqlpFRMdjyakHuZB4zeVpEyJuD1Q40nvnmdKMTHiq7zcssEkls6UBRey1QR6BLGQ4/OYA7Swno9Mc2X5vFsoVyOOtBbfe2AT63OpCrO1jMYeQP3Ucq+fi4fcMqJz3C4vs4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734944100; c=relaxed/simple; bh=8gfPO34QdkRjOAMeMIVdF2cBbIq8kLlbV+QSfmLRGws=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=i3eFfJOnHmL39+U5QxnoxRHBA0RthB6dvnaSGJExZaUsrStae3GoozaUE6tyYNx7VPiyYJpVM+7JB0/gklDzfFqA9QGev3bJrKOLtwopqpVVvTfeh/ns8bfmD5h1okzUJ7Anmd7BCkoGePUQ9DO92Sb+lcnEh5yA0A91y4KGtOM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 90854c8ac10b11efa216b1d71e6e1362-20241223 X-CID-CACHE: Type:Local,Time:202412231624+08,HitQuantity:2 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:314fa1b9-5fdc-4609-9e53-77f202993fd5,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6dc6a47,CLOUDID:3240e72a413406f877f9cb7d271a88d1,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,URL:0 ,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 90854c8ac10b11efa216b1d71e6e1362-20241223 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 716838015; Mon, 23 Dec 2024 16:54:48 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id 5A418E0080FF; Mon, 23 Dec 2024 16:54:48 +0800 (CST) X-ns-mid: postfix-67692558-125061929 Received: from kylin-pc.. (unknown [172.25.130.133]) by mail.kylinos.cn (NSMail) with ESMTPA id A4F5EE0080FF; Mon, 23 Dec 2024 16:54:47 +0800 (CST) From: Zhang Heng To: jason.wessel@windriver.com, danielt@kernel.org, dianders@chromium.org Cc: kgdb-bugreport@lists.sourceforge.net, linux-kernel@vger.kernel.org, Zhang Heng Subject: [PATCH v2] kdb: use kmap_local_page() Date: Mon, 23 Dec 2024 16:54:20 +0800 Message-ID: <20241223085420.1815930-1-zhangheng@kylinos.cn> X-Mailer: git-send-email 2.45.2 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 Content-Type: text/plain; charset="utf-8" Use kmap_local_page() instead of kmap_atomic() which has been deprecated. Signed-off-by: Zhang Heng Reviewed-by: Douglas Anderson --- Changes in v2: - add Reviewer - update author name spelling kernel/debug/kdb/kdb_support.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c index 0a39497140bf..1ef831cacbc2 100644 --- a/kernel/debug/kdb/kdb_support.c +++ b/kernel/debug/kdb/kdb_support.c @@ -305,7 +305,7 @@ int kdb_putarea_size(unsigned long addr, void *res, siz= e_t size) =20 /* * kdb_getphys - Read data from a physical address. Validate the - * address is in range, use kmap_atomic() to get data + * address is in range, use kmap_local_page() to get data * similar to kdb_getarea() - but for phys addresses * Inputs: * res Pointer to the word to receive the result @@ -324,9 +324,9 @@ static int kdb_getphys(void *res, unsigned long addr, s= ize_t size) if (!pfn_valid(pfn)) return 1; page =3D pfn_to_page(pfn); - vaddr =3D kmap_atomic(page); + vaddr =3D kmap_local_page(page); memcpy(res, vaddr + (addr & (PAGE_SIZE - 1)), size); - kunmap_atomic(vaddr); + kunmap_local(vaddr); =20 return 0; } --=20 2.45.2