Commit 23c4ceaf authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/vdso: Remove vdso_ready 



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

Remove vdso_ready as it will always be 1.

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0e1e18c6329b848aa3edeeba76509b4d76182e7d.1601197618.git.christophe.leroy@csgroup.eu
parent a4ccd64a

arch/powerpc/kernel/vdso.c

+0 −6
Original line number Diff line number Diff line
@@ -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
@@ -168,9 +166,6 @@ 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;
@@ -309,7 +304,6 @@ static int __init vdso_init(void) 
		vdso64_spec.pages = vdso_setup_pages(&vdso64_start, &vdso64_end);



	smp_wmb();

	vdso_ready = 1;



	return 0;

}