diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index aa7c1d435139..5a8acca4dbf4 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -382,7 +382,7 @@ config BROKEN_GAS_INST
 config BUILTIN_RETURN_ADDRESS_STRIPS_PAC
 	bool
 	# Clang's __builtin_return_adddress() strips the PAC since 12.0.0
-	# https://reviews.llvm.org/D75044
+	# https://github.com/llvm/llvm-project/commit/2a96f47c5ffca84cd774ad402cacd137f4bf45e2
 	default y if CC_IS_CLANG && (CLANG_VERSION >= 120000)
 	# GCC's __builtin_return_address() strips the PAC since 11.1.0,
 	# and this was backported to 10.2.0, 9.4.0, 8.5.0, but not earlier
@@ -2222,7 +2222,7 @@ config STACKPROTECTOR_PER_TASK
 
 config UNWIND_PATCH_PAC_INTO_SCS
 	bool "Enable shadow call stack dynamically using code patching"
-	# needs Clang with https://reviews.llvm.org/D111780 incorporated
+	# needs Clang with https://github.com/llvm/llvm-project/commit/de07cde67b5d205d58690be012106022aea6d2b3 incorporated
 	depends on CC_IS_CLANG && CLANG_VERSION >= 150000
 	depends on ARM64_PTR_AUTH_KERNEL && CC_HAS_BRANCH_PROT_PAC_RET
 	depends on SHADOW_CALL_STACK
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bffbd869a068..69d24f513922 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -312,7 +312,7 @@ config AS_HAS_INSN
 	def_bool $(as-instr,.insn r 51$(comma) 0$(comma) 0$(comma) t0$(comma) t0$(comma) zero)
 
 config AS_HAS_OPTION_ARCH
-	# https://reviews.llvm.org/D123515
+	# https://github.com/llvm/llvm-project/commit/9e8ed3403c191ab9c4903e8eeb8f732ff8a43cb4
 	def_bool y
 	depends on $(as-instr, .option arch$(comma) +m)
 	depends on !$(as-instr, .option arch$(comma) -i)
diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h
index 329172122952..06874fb1311e 100644
--- a/arch/riscv/include/asm/ftrace.h
+++ b/arch/riscv/include/asm/ftrace.h
@@ -15,7 +15,7 @@
 
 /*
  * Clang prior to 13 had "mcount" instead of "_mcount":
- * https://reviews.llvm.org/D98881
+ * https://github.com/llvm/llvm-project/commit/ef58ae86ba778ed7d01cd3f6bd6d08f943abab44
  */
 #if defined(CONFIG_CC_IS_GCC) || CONFIG_CLANG_VERSION >= 130000
 #define MCOUNT_NAME _mcount
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index ddab1ef22bee..f0a47afef125 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -9,7 +9,7 @@
  * Clang prior to 17 is being silly and considers many __cleanup() variables
  * as unused (because they are, their sole purpose is to go out of scope).
  *
- * https://reviews.llvm.org/D152180
+ * https://github.com/llvm/llvm-project/commit/877210faa447f4cc7db87812f8ed80e398fedd61
  */
 #undef __cleanup
 #define __cleanup(func) __maybe_unused __attribute__((__cleanup__(func)))