[PATCH v1 27/30] powerpc/vdso: Remove vdso_ready

From: Christophe Leroy
Date: Sun Sep 27 2020 - 05:17:12 EST


There is no way to get out of vdso_init() prematuraly anymore.

Remove vdso_ready as it will always be 1.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/kernel/vdso.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 14fbcc76a629..e5a9b60274ba 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -47,8 +47,6 @@
extern char vdso32_start, vdso32_end;
extern char vdso64_start, vdso64_end;

-static int vdso_ready;
-
/*
* The vdso data page (aka. systemcfg for old ppc64 fans) is here.
* Once the early boot kernel code no longer needs to muck around
@@ -171,9 +169,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)

mm->context.vdso = NULL;

- if (!vdso_ready)
- return 0;
-
if (mmap_write_lock_killable(mm))
return -EINTR;

@@ -312,7 +307,6 @@ static int __init vdso_init(void)
vdso64_spec.pages = vdso_setup_pages(&vdso64_start, &vdso64_end);

smp_wmb();
- vdso_ready = 1;

return 0;
}
--
2.25.0