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-rw-r--r--init/Kconfig15
-rw-r--r--init/main.c2
2 files changed, 12 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 836320251219..ecddb94db8dc 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -99,7 +99,10 @@ config GCC_ASM_GOTO_OUTPUT_BROKEN
config CC_HAS_ASM_GOTO_OUTPUT
def_bool y
depends on !GCC_ASM_GOTO_OUTPUT_BROKEN
+ # Detect basic support
depends on $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)
+ # Detect clang (< v17) scoped label issues
+ depends on $(success,echo 'void b(void **);void* c(void);int f(void){{asm goto("jmp %l0"::::l0);return 0;l0:return 1;}void *x __attribute__((cleanup(b)))=c();{asm goto("jmp %l0"::::l1);return 2;l1:return 3;}}' | $(CC) -x c - -c -o /dev/null)
config CC_HAS_ASM_GOTO_TIED_OUTPUT
depends on CC_HAS_ASM_GOTO_OUTPUT
@@ -117,10 +120,11 @@ config CC_HAS_NO_PROFILE_FN_ATTR
config CC_HAS_COUNTED_BY
bool
- # clang needs to be at least 19.1.3 to avoid __bdos miscalculations
- # https://github.com/llvm/llvm-project/pull/110497
- # https://github.com/llvm/llvm-project/pull/112636
- default y if CC_IS_CLANG && CLANG_VERSION >= 190103
+ # clang needs to be at least 20.1.0 to avoid potential crashes
+ # when building structures that contain __counted_by
+ # https://github.com/ClangBuiltLinux/linux/issues/2114
+ # https://github.com/llvm/llvm-project/commit/160fb1121cdf703c3ef5e61fb26c5659eb581489
+ default y if CC_IS_CLANG && CLANG_VERSION >= 200100
# supported since gcc 15.1.0
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108896
default y if CC_IS_GCC && GCC_VERSION >= 150100
@@ -145,6 +149,9 @@ config RUSTC_HAS_UNNECESSARY_TRANSMUTES
config RUSTC_HAS_FILE_WITH_NUL
def_bool RUSTC_VERSION >= 108900
+config RUSTC_HAS_FILE_AS_C_STR
+ def_bool RUSTC_VERSION >= 109100
+
config PAHOLE_VERSION
int
default $(shell,$(srctree)/scripts/pahole-version.sh $(PAHOLE))
diff --git a/init/main.c b/init/main.c
index 0ee0ee7b7c2c..5753e9539ae6 100644
--- a/init/main.c
+++ b/init/main.c
@@ -956,6 +956,7 @@ void start_kernel(void)
sort_main_extable();
trap_init();
mm_core_init();
+ maple_tree_init();
poking_init();
ftrace_init();
@@ -973,7 +974,6 @@ void start_kernel(void)
"Interrupts were enabled *very* early, fixing it\n"))
local_irq_disable();
radix_tree_init();
- maple_tree_init();
/*
* Set up housekeeping before setting up workqueues to allow the unbound