From: George Guo <dongtai.guo@linux.dev>
To: chenhuacai@kernel.org, jpoimboe@kernel.org, peterz@infradead.org,
jikos@kernel.org, mbenes@suse.cz, pmladek@suse.com
Cc: 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, 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: [PATCH v3 08/12] LoongArch: Add livepatch build (KLP) support
Date: Tue, 7 Jul 2026 15:20:27 +0800 [thread overview]
Message-ID: <20260707072031.231066-9-dongtai.guo@linux.dev> (raw)
In-Reply-To: <20260707072031.231066-1-dongtai.guo@linux.dev>
From: George Guo <guodongtai@kylinos.cn>
This allows automated livepatch module generation using objtool.
Co-developed-by: Kexin Liu <liukexin@kylinos.cn>
Signed-off-by: Kexin Liu <liukexin@kylinos.cn>
Signed-off-by: George Guo <guodongtai@kylinos.cn>
---
arch/loongarch/Kconfig | 1 +
tools/objtool/Makefile | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 3b042dbb2c41..1dbf51ba9d6a 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -159,6 +159,7 @@ config LOONGARCH
select HAVE_IOREMAP_PROT
select HAVE_IRQ_EXIT_ON_IRQ_STACK
select HAVE_IRQ_TIME_ACCOUNTING
+ select HAVE_KLP_BUILD
select HAVE_KPROBES
select HAVE_KPROBES_ON_FTRACE
select HAVE_KRETPROBES
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 94aabeee9736..83d645675ed9 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -8,7 +8,8 @@ ifeq ($(SRCARCH),x86)
endif
ifeq ($(SRCARCH),loongarch)
- BUILD_ORC := y
+ BUILD_ORC := y
+ ARCH_HAS_KLP := y
endif
ifeq ($(SRCARCH),arm64)
--
2.25.1
next prev parent reply other threads:[~2026-07-07 7:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-07 7:20 [PATCH v3 00/12] LoongArch: Add livepatch build (KLP) support George Guo
2026-07-07 7:20 ` [PATCH v3 01/12] objtool/LoongArch: Add arch_adjusted_addend() for KLP support George Guo
2026-07-07 7:20 ` [PATCH v3 02/12] LoongArch: Mark special sections " George Guo
2026-07-08 22:32 ` Joe Lawrence
2026-07-13 14:33 ` George Guo
2026-07-07 7:20 ` [PATCH v3 03/12] livepatch/klp-build: disable direct-extern-access for LoongArch to fix kernel panic George Guo
2026-07-07 7:20 ` [PATCH v3 04/12] livepatch/klp-build: build LoongArch with -fPIC to keep GOT-indirect symbol references George Guo
2026-07-08 15:05 ` Joe Lawrence
2026-07-10 7:38 ` George Guo
2026-07-07 7:20 ` [PATCH v3 05/12] LoongArch: Fix EFI linking with -fdata-sections George Guo
2026-07-08 13:54 ` Joe Lawrence
2026-07-08 16:07 ` Joe Lawrence
2026-07-10 7:46 ` George Guo
2026-07-07 7:20 ` [PATCH v3 06/12] objtool/klp: Add LoongArch jump opcode bytes support George Guo
2026-07-07 7:20 ` [PATCH v3 07/12] klp-build: Add LoongArch syscall patching macro George Guo
2026-07-08 19:18 ` Joe Lawrence
2026-07-10 7:49 ` George Guo
2026-07-07 7:20 ` George Guo [this message]
2026-07-07 7:20 ` [PATCH v3 09/12] LoongArch: Select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY George Guo
2026-07-07 7:20 ` [PATCH v3 10/12] objtool/klp: Convert local label references in special sections George Guo
2026-07-07 7:20 ` [PATCH v3 11/12] objtool/klp: Fix ANNOTATE_DATA_SPECIAL parsing for local label references George Guo
2026-07-07 7:20 ` [PATCH v3 12/12] objtool/klp: Fold LoongArch paired ADD/SUB relocations into PCREL George Guo
2026-07-08 13:29 ` Xi Ruoyao
2026-07-09 9:43 ` [PATCH v3 00/12] LoongArch: Add livepatch build (KLP) support Huacai Chen
2026-07-09 10:35 ` WangYuli
2026-07-09 13:21 ` George Guo
2026-07-10 14:34 ` Huacai Chen
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