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Diffstat (limited to 'arch/s390/kernel/vdso.c')
-rw-r--r--arch/s390/kernel/vdso.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index adfb32aa6d59..5f99e66c51c3 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -86,7 +86,8 @@ static void vdso_init_data(struct vdso_data *vd)
86 unsigned int facility_list; 86 unsigned int facility_list;
87 87
88 facility_list = stfl(); 88 facility_list = stfl();
89 vd->ectg_available = switch_amode && (facility_list & 1); 89 vd->ectg_available =
90 user_mode != HOME_SPACE_MODE && (facility_list & 1);
90} 91}
91 92
92#ifdef CONFIG_64BIT 93#ifdef CONFIG_64BIT
@@ -114,7 +115,7 @@ int vdso_alloc_per_cpu(int cpu, struct _lowcore *lowcore)
114 115
115 lowcore->vdso_per_cpu_data = __LC_PASTE; 116 lowcore->vdso_per_cpu_data = __LC_PASTE;
116 117
117 if (!switch_amode || !vdso_enabled) 118 if (user_mode == HOME_SPACE_MODE || !vdso_enabled)
118 return 0; 119 return 0;
119 120
120 segment_table = __get_free_pages(GFP_KERNEL, SEGMENT_ORDER); 121 segment_table = __get_free_pages(GFP_KERNEL, SEGMENT_ORDER);
@@ -160,7 +161,7 @@ void vdso_free_per_cpu(int cpu, struct _lowcore *lowcore)
160 unsigned long segment_table, page_table, page_frame; 161 unsigned long segment_table, page_table, page_frame;
161 u32 *psal, *aste; 162 u32 *psal, *aste;
162 163
163 if (!switch_amode || !vdso_enabled) 164 if (user_mode == HOME_SPACE_MODE || !vdso_enabled)
164 return; 165 return;
165 166
166 psal = (u32 *)(addr_t) lowcore->paste[4]; 167 psal = (u32 *)(addr_t) lowcore->paste[4];
@@ -184,7 +185,7 @@ static void __vdso_init_cr5(void *dummy)
184 185
185static void vdso_init_cr5(void) 186static void vdso_init_cr5(void)
186{ 187{
187 if (switch_amode && vdso_enabled) 188 if (user_mode != HOME_SPACE_MODE && vdso_enabled)
188 on_each_cpu(__vdso_init_cr5, NULL, 1); 189 on_each_cpu(__vdso_init_cr5, NULL, 1);
189} 190}
190#endif /* CONFIG_64BIT */ 191#endif /* CONFIG_64BIT */