From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-186.mta0.migadu.com (out-186.mta0.migadu.com [91.218.175.186]) (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 0C9CD40A940 for ; Fri, 7 Aug 2026 06:16:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.186 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786083368; cv=none; b=Fy+h+q7rjsdnvhxYUiLnHrIHTxwJC1fY8HrhJHBwAHHzpokoNO4PKX/RpnfvY8XOWj+lt5p+mLvVoJy7TNRxxOygE0JJW3W5bGeBX9PWjup2+TO9981Eji1TupHV7D93NTcRltxX7hDAUfD9FyWiKYgGDxT5D78dhcxANNDRP3U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786083368; c=relaxed/simple; bh=hjnw/qE7HyBvBufdS0wWmsH4ggDcj9ZcMrWIU7+pkCw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=crkqUDqEh8AVU3e3urr1DLfo55k/bC+vBsd+L3ZY+6gbW2Tjl047CfFeUZOj74YBF7NagbT+eb+NQkW5Yjoyp/+u+7EMrtX++Q/MUcMWgHNrSL1IOFkq+PzxnMQMX7bxCCrrqM17dmgp8JrCo2wZPoati80wYw4mq7E71CHwuhU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=PF5x6Hdy; arc=none smtp.client-ip=91.218.175.186 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="PF5x6Hdy" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1786083363; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=hjnw/qE7HyBvBufdS0wWmsH4ggDcj9ZcMrWIU7+pkCw=; b=PF5x6HdyoXzG6dwhX8clKmXBjCrV1NxK1EUD5zLCw7HSl4QEkIlQCtInam5Lme4FY/Ek5f rd6kgDpgWX9zdcIHDevzXa3Lt108lEi8lTcqXF+c1H8V2nFk6XlCkIE6vGQ6/EG4b9aFz1 FuBH2rKzeuLn3f+UTvCPa9rN2IyvKwQ= From: George Guo To: chenhuacai@kernel.org Cc: jpoimboe@kernel.org, peterz@infradead.org, jikos@kernel.org, mbenes@suse.cz, pmladek@suse.com, kernel@xen0n.name, joe.lawrence@redhat.com, rostedt@goodmis.org, ardb@kernel.org, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, yangtiezhu@loongson.cn, jiaxun.yang@flygoat.com, wangrui@loongson.cn, liukexin@kylinos.cn, guodongtai@kylinos.cn, xry111@xry111.site, wangyuli@aosc.io, loongarch@lists.linux.dev, live-patching@vger.kernel.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 00/14] LoongArch: Add livepatch build (KLP) support Date: Fri, 7 Aug 2026 14:15:10 +0800 Message-ID: <20260807061510.26138-1-dongtai.guo@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Hi Huacai, On Mon, Jul 27, 2026 at 10:15:03PM +0800, Huacai Chen wrote: > It is better to reorganize this series like this: > > objtool/klp: Convert local label references > objtool/klp: Fix ANNOTATE_DATA_SPECIAL parsing for local label references > objtool/klp: Add LoongArch jump opcode bytes support > objtool/klp: Fold LoongArch paired ADD/SUB relocations into PCREL > objtool/klp: Keep LoongArch tablejump annotation table entries > objtool/klp: Rewrite PC-relative data references to GOT on LoongArch > objtool/LoongArch: Add arch_adjusted_addend() for KLP support > objtool/LoongArch: Enable inline alternative cloning for KLP > klp-build: use -fPIC and drop direct-extern-access on LoongArch > klp-build: Add LoongArch syscall patching macro > LoongArch: Mark special sections for KLP support > LoongArch: Fix EFI linking with -fdata-sections > LoongArch: Add livepatch build (KLP) support > LoongArch: Select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY Done. The series is reordered exactly as above. I re-ran the full klp-build integration suite under both GCC and Clang, and every test still builds, loads, and runs. I will send this as v5. Josh, Joe: I'd welcome any further comments on the livepatch build patches before I send v5. Thanks, George