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, xry111@xry111.site, liukexin@kylinos.cn,
loongarch@lists.linux.dev, live-patching@vger.kernel.org,
llvm@lists.linux.dev, linux-kernel@vger.kernel.org,
George Guo <guodongtai@kylinos.cn>
Subject: [PATCH 1/8] LoongArch: Add livepatch build (KLP) support
Date: Thu, 4 Jun 2026 14:53:10 +0800 [thread overview]
Message-ID: <20260604065317.219777-2-dongtai.guo@linux.dev> (raw)
In-Reply-To: <20260604065317.219777-1-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:[~2026-06-04 6:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-04 6:53 [PATCH 0/8] LoongArch: Add livepatch build (KLP) support George Guo
2026-06-04 6:53 ` George Guo [this message]
2026-06-04 6:53 ` [PATCH 2/8] objtool/LoongArch: Add arch_adjusted_addend() for KLP support George Guo
2026-06-04 6:53 ` [PATCH 3/8] LoongArch: Add special section entry sizes " George Guo
2026-06-05 8:38 ` WangYuli
2026-06-08 10:33 ` George Guo
2026-06-04 6:53 ` [PATCH 4/8] livepatch/klp-build: disable direct-extern-access for LoongArch to fix kernel panic George Guo
2026-06-05 8:53 ` WangYuli
2026-06-04 6:53 ` [PATCH 5/8] LoongArch: fix kernel panic with -fPIC for same-compilation-unit symbol references George Guo
2026-06-05 8:10 ` Xi Ruoyao
2026-06-08 10:23 ` George Guo
2026-06-04 6:53 ` [PATCH 6/8] LoongArch: Fix EFI linking with -fdata-sections George Guo
2026-06-04 6:53 ` [PATCH 7/8] objtool/klp: Add LoongArch jump opcode bytes support George Guo
2026-06-04 6:53 ` [PATCH 8/8] klp-build: Add LoongArch syscall patching macro George Guo
2026-06-05 7:57 ` [PATCH 0/8] LoongArch: Add livepatch build (KLP) support WangYuli
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