6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Andreas Hindborg a.hindborg@samsung.com
[ Upstream commit b8673d56935c32a4e0a1a0b40951fdd313dbf340 ]
Symbols in the bss segment are not currently exported. This is a problem for Rust modules that link against statics, that are resident in the kernel image. Thus export symbols in the bss segment.
Fixes: 2f7ab1267dc9 ("Kbuild: add Rust support") Signed-off-by: Andreas Hindborg a.hindborg@samsung.com Reviewed-by: Alice Ryhl aliceryhl@google.com Tested-by: Alice Ryhl aliceryhl@google.com Reviewed-by: Gary Guo gary@garyguo.net Link: https://lore.kernel.org/r/20240815074519.2684107-2-nmi@metaspace.dk [ Reworded slightly. - Miguel ] Signed-off-by: Miguel Ojeda ojeda@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- rust/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/rust/Makefile b/rust/Makefile index 7e33ebe8a9f4..333b9a482473 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -363,7 +363,7 @@ $(obj)/bindings/bindings_helpers_generated.rs: $(src)/helpers.c FORCE quiet_cmd_exports = EXPORTS $@ cmd_exports = \ $(NM) -p --defined-only $< \ - | awk '/ (T|R|D) / {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$3}' > $@ + | awk '/ (T|R|D|B) / {printf "EXPORT_SYMBOL_RUST_GPL(%s);\n",$$3}' > $@
$(obj)/exports_core_generated.h: $(obj)/core.o FORCE $(call if_changed,exports)