From: Stephen Rothwell sfr@canb.auug.org.au
[ Upstream commit b6b79dd53082db11070b4368d85dd6699ff0b063 ]
Using DECLARE_STATIC_KEY_FALSE needs linux/jump_table.h.
Otherwise the build fails with eg:
arch/powerpc/include/asm/book3s/64/kup-radix.h:66:1: warning: data definition has no type or storage class 66 | DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
Fixes: 9a32a7e78bd0 ("powerpc/64s: flush L1D after user accesses") Signed-off-by: Stephen Rothwell sfr@canb.auug.org.au [mpe: Massage change log] Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/20201123184016.693fe464@canb.auug.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/include/asm/book3s/64/kup-radix.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/include/asm/book3s/64/kup-radix.h b/arch/powerpc/include/asm/book3s/64/kup-radix.h index 28716e2f13e31..a39e2d193fdc1 100644 --- a/arch/powerpc/include/asm/book3s/64/kup-radix.h +++ b/arch/powerpc/include/asm/book3s/64/kup-radix.h @@ -63,6 +63,8 @@
#else /* !__ASSEMBLY__ */
+#include <linux/jump_label.h> + DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
#ifdef CONFIG_PPC_KUAP