The stringification operator, `#`, in the preprocessor escapes strings.
For example, `# "foo"` becomes `"\"foo\""`.  GCC and Clang differ in how
they treat section names that contain \".

The portable solution is to not use a string literal with the
preprocessor stringification operator.

Link: https://bugs.llvm.org/show_bug.cgi?id=42950
Fixes: commit fe15b50cdeee ("srcu: Allocate per-CPU data for DEFINE_SRCU() in 
modules")
Signed-off-by: Nick Desaulniers <ndesaulni...@google.com>
---
Changes V1->V2:
* drop unrelated Kconfig changes accidentally committed in v1.

 include/linux/srcutree.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h
index 9cfcc8a756ae..9de652f4e1bd 100644
--- a/include/linux/srcutree.h
+++ b/include/linux/srcutree.h
@@ -124,7 +124,7 @@ struct srcu_struct {
 # define __DEFINE_SRCU(name, is_static)                                        
\
        is_static struct srcu_struct name;                              \
        struct srcu_struct * const __srcu_struct_##name                 \
-               __section("___srcu_struct_ptrs") = &name
+               __section(___srcu_struct_ptrs) = &name
 #else
 # define __DEFINE_SRCU(name, is_static)                                        
\
        static DEFINE_PER_CPU(struct srcu_data, name##_srcu_data);      \
-- 
2.28.0.709.gb0816b6eb0-goog

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