powerpc/vdso: Remove lib32_elfinfo and lib64_elfinfo

lib32_elfinfo and lib64_elfinfo are not used anymore, remove them.

Also remove vdso32_kbase and vdso64_kbase while removing the
last use.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/01ac65abf22f0428f8f764525a7d84459c54d806.1601197618.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index d7eb707..faff1d0 100644 (file)
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -44,11 +44,8 @@
 /* The alignment of the vDSO */
 #define VDSO_ALIGNMENT (1 << 16)
 
-static void *vdso32_kbase;
-
 extern char vdso32_start, vdso32_end;
 extern char vdso64_start, vdso64_end;
-static void *vdso64_kbase = &vdso64_start;
 
 static int vdso_ready;
 
@@ -63,20 +60,6 @@ static union {
 } vdso_data_store __page_aligned_data;
 struct vdso_arch_data *vdso_data = &vdso_data_store.data;
 
-/*
- * Some infos carried around for each of them during parsing at
- * boot time.
- */
-struct lib32_elfinfo
-{
-       Elf32_Ehdr      *hdr;           /* ptr to ELF */
-};
-
-struct lib64_elfinfo
-{
-       Elf64_Ehdr      *hdr;
-};
-
 static int vdso_mremap(const struct vm_special_mapping *sm, struct vm_area_struct *new_vma,
                       unsigned long text_size)
 {
@@ -206,8 +189,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
        do_##type##_fixups((value), __start, __end);                                    \
 } while (0)
 
-static __init int vdso_fixup_features(struct lib32_elfinfo *v32,
-                                     struct lib64_elfinfo *v64)
+static int __init vdso_fixup_features(void)
 {
 #ifdef CONFIG_PPC64
        VDSO_DO_FIXUPS(feature, cur_cpu_spec->cpu_features, 64, ftr_fixup);
@@ -230,12 +212,7 @@ static __init int vdso_fixup_features(struct lib32_elfinfo *v32,
 
 static __init int vdso_setup(void)
 {
-       struct lib32_elfinfo    v32;
-       struct lib64_elfinfo    v64;
-
-       v32.hdr = vdso32_kbase;
-       v64.hdr = vdso64_kbase;
-       if (vdso_fixup_features(&v32, &v64))
+       if (vdso_fixup_features())
                return -1;
 
        return 0;
@@ -331,8 +308,6 @@ static int __init vdso_init(void)
        vdso_data->icache_log_block_size = ppc64_caches.l1i.log_block_size;
 #endif /* CONFIG_PPC64 */
 
-       vdso32_kbase = &vdso32_start;
-
        vdso_setup_syscall_map();
 
        /*