From nobody Tue Feb 10 05:17:06 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id DAE7A3D3D0A for ; Tue, 20 Jan 2026 09:23:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768901033; cv=none; b=so+Dzt5VoPUXepRLOXE1t5eOxqpustQGBH16vTzqxuoVT+VcSWeMy8dcSj6DRO/090vhlnGV6BeKYe6K3I4a4uZY8KdTcZzloCXkfaX5ayZBSistMnorY8pWMWoc7B1hSF2q2uvXkbsb2IXm+riQPMdDU477TT/wcPTmsFzSiYw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768901033; c=relaxed/simple; bh=daV5+g/aN9uFbcgilPybOF3xXtKayuRyJbqRWaUW/5U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tDJ6qgmIgphLTBljuArDJMJTVcjJlE2VGhBg4yO+4Im2DnO4C+a7zfswFxL+ESLc/nV8fLNIltnoSl44lxm28SS47RAatJjKFDkIYubvX5kv9RifWPBEFCe1TVWrwgHUxQ6GA27aV40WHs5WOEzRyLytIOfSv35D97zAXRO8NE4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8AxCMKeSW9pUKcKAA--.22445S3; Tue, 20 Jan 2026 17:23:42 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowJCxHOGSSW9pD3InAA--.14911S3; Tue, 20 Jan 2026 17:23:41 +0800 (CST) From: Tiezhu Yang To: Huacai Chen Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/4] LoongArch: Use %px to print address in unwind_next_frame() Date: Tue, 20 Jan 2026 17:23:28 +0800 Message-ID: <20260120092331.813-2-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20260120092331.813-1-yangtiezhu@loongson.cn> References: <20260120092331.813-1-yangtiezhu@loongson.cn> 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-CM-TRANSID: qMiowJCxHOGSSW9pD3InAA--.14911S3 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoW7GFWkJr4rCFW5Zry8Zr45CFX_yoWfKwbEq3 4xXw48GrZaywn5Z3Z8XF1fJa42va10yF9Y93ZrZ3yIy34YvF13JrZaqw13Aw1qgFWrCrZ8 J397Wr9Ykw1IyosvyTuYvTs0mTUanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUb7AYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_JF0_JFyl8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JF0_Jw1lYx0Ex4A2jsIE 14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF 04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7 CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8niSPUUUUU== Content-Type: text/plain; charset="utf-8" Currently, use %p to prevent leaking information about the kernel memory layout when printing the pc address, but the kernel log messages are not useful to debug problem if bt_address() returns 0. Given that the type of "pc" variable is unsigned long, it should use %px to print the unmodified address. Signed-off-by: Tiezhu Yang --- arch/loongarch/kernel/unwind_orc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kernel/unwind_orc.c b/arch/loongarch/kernel/unw= ind_orc.c index 8a6e3429a860..d6b3688a1ce9 100644 --- a/arch/loongarch/kernel/unwind_orc.c +++ b/arch/loongarch/kernel/unwind_orc.c @@ -494,7 +494,7 @@ bool unwind_next_frame(struct unwind_state *state) =20 state->pc =3D bt_address(pc); if (!state->pc) { - pr_err("cannot find unwind pc at %p\n", (void *)pc); + pr_err("cannot find unwind pc at %px\n", (void *)pc); goto err; } =20 --=20 2.42.0