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authorJisheng Zhang <jszhang@kernel.org>2023-01-29 01:28:53 +0800
committerPalmer Dabbelt <palmer@rivosinc.com>2023-01-31 23:29:42 -0800
commitcabfd146b371462ed480a968f98eb0c2c80e3c8a (patch)
tree38df344a6023b4f31d3b03877eb0b550b7d0a820 /arch/riscv/include
parent8d23e94a443388e81c42ea7e476a5d79c1c795c9 (diff)
riscv: alternative: patch alternatives in the vDSO
Make it possible to use alternatives in the vDSO, so that better implementations can be used if possible. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Reviewed-by: Guo Ren <guoren@kernel.org> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20230128172856.3814-11-jszhang@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include')
-rw-r--r--arch/riscv/include/asm/vdso.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h
index a7644f46d0e5..f891478829a5 100644
--- a/arch/riscv/include/asm/vdso.h
+++ b/arch/riscv/include/asm/vdso.h
@@ -28,8 +28,12 @@
#define COMPAT_VDSO_SYMBOL(base, name) \
(void __user *)((unsigned long)(base) + compat__vdso_##name##_offset)
+extern char compat_vdso_start[], compat_vdso_end[];
+
#endif /* CONFIG_COMPAT */
+extern char vdso_start[], vdso_end[];
+
#endif /* !__ASSEMBLY__ */
#endif /* CONFIG_MMU */