[PATCH v1 26/30] powerpc/vdso: Remove vdso_setup()

From: Christophe Leroy
Date: Sun Sep 27 2020 - 05:17:08 EST


vdso_fixup_features() cannot fail anymore and that's
the only function called by vdso_setup().

vdso_setup() has become trivial and can be removed.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/kernel/vdso.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 0cb320b72923..14fbcc76a629 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -192,7 +192,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
do_##type##_fixups((value), __start, __end); \
} while (0)

-static int __init vdso_fixup_features(void)
+static void __init vdso_fixup_features(void)
{
#ifdef CONFIG_PPC64
VDSO_DO_FIXUPS(feature, cur_cpu_spec->cpu_features, 64, ftr_fixup);
@@ -209,16 +209,6 @@ static int __init vdso_fixup_features(void)
#endif /* CONFIG_PPC64 */
VDSO_DO_FIXUPS(lwsync, cur_cpu_spec->cpu_features, 32, lwsync_fixup);
#endif
-
- return 0;
-}
-
-static __init int vdso_setup(void)
-{
- if (vdso_fixup_features())
- return -1;
-
- return 0;
}

/*
@@ -313,14 +303,7 @@ static int __init vdso_init(void)

vdso_setup_syscall_map();

- /*
- * Initialize the vDSO images in memory, that is do necessary
- * fixups of vDSO symbols, locate trampolines, etc...
- */
- if (vdso_setup()) {
- printk(KERN_ERR "vDSO setup failure, not enabled !\n");
- return 0;
- }
+ vdso_fixup_features();

if (IS_ENABLED(CONFIG_VDSO32))
vdso32_spec.pages = vdso_setup_pages(&vdso32_start, &vdso32_end);
--
2.25.0