From nobody Tue Jun 16 11:43:01 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6582A325727; Sun, 19 Apr 2026 09:08:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776589716; cv=none; b=TITJLxv8tG6x5U57+S0M3lBrigkirPRgBddFAKS5H7YQtTCOXFhNfAUeUBWuUI3wvfBUe6cV3PjSa8mO4nW4+h3GB+fdJRvL6lwMG6OAwCBY43bF6d0CWHKdb3A9wAP4kW5WIWzw25hEb/GJt7TdgxYDsapWnDMpn937ylN9gbg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776589716; c=relaxed/simple; bh=5Y5DS2nl85zvTXTqUCwFxDMrhrnczhK1YDP15QDXo7I=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gB/B16MXBNe5YN4G72NeJF9yiQYwHtpuX/LabTo2REK7ASU0jjMaHluP2G2sCQx1svGs5nCvG/GyxHd3OAySJL2ne7E9DpLrAJXkctc9pWccXwhzxUa9BOesQvX39hXPx5V2/+3WWE9EVKFDIHLmFROmPYpO+lBNZCPZQji8Ff0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from edelgard.fodlan.icenowy.me (unknown [112.94.103.130]) by APP-05 (Coremail) with SMTP id zQCowADXZQlum+RpMjgKDg--.63224S2; Sun, 19 Apr 2026 17:08:00 +0800 (CST) From: Icenowy Zheng To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Shimin Guo Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Icenowy Zheng , stable@vger.kernel.org Subject: [PATCH] perf unwind-libdw: Fix stale object reference in arch/loongarch Date: Sun, 19 Apr 2026 17:07:56 +0800 Message-ID: <20260419090756.2190201-1-zhengxingda@iscas.ac.cn> X-Mailer: git-send-email 2.52.0 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: zQCowADXZQlum+RpMjgKDg--.63224S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Wr18KryfCr13GF4xur4fGrg_yoWfZrbEyF 1xJ3Wjyr1rXr93tw1293y5C34rAan3Z3ySya4DWrs3GFW5JF1UZayDXa45ur1qqr4UWFs3 Za48Xr9a9r4jkjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb3kFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26F4UJV W0owAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7x kEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E 67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCw CI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1x MIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIda VFxhVjvjDU0xZFpf9x0JUd-B_UUUUU= X-CM-SenderInfo: x2kh0wp0lqwv3d6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" The arch/loongarch/util/unwind-libdw.c file is already moved to util/, but the Build statement for it is forgot to be removed. Remove the stale Build statement. This fixes the build failure of perf tool in kernel v7.0 on LoongArch. Fixes: e62fae9d9e85 ("perf unwind-libdw: Fix a cross-arch unwinding bug") Signed-off-by: Icenowy Zheng Cc: stable@vger.kernel.org --- tools/perf/arch/loongarch/util/Build | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/perf/arch/loongarch/util/Build b/tools/perf/arch/loongar= ch/util/Build index 3ad73d0289f3e..8d91e78d31c94 100644 --- a/tools/perf/arch/loongarch/util/Build +++ b/tools/perf/arch/loongarch/util/Build @@ -1,4 +1,3 @@ perf-util-y +=3D header.o =20 perf-util-$(CONFIG_LOCAL_LIBUNWIND) +=3D unwind-libunwind.o -perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) +=3D unwind-libdw.o --=20 2.52.0