diff options
-rw-r--r-- | arch/x86/vdso/vma.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c index a280b11e2122..009495b9ab4b 100644 --- a/arch/x86/vdso/vma.c +++ b/arch/x86/vdso/vma.c | |||
@@ -230,7 +230,7 @@ __setup("vdso=", vdso_setup); | |||
230 | static void vgetcpu_cpu_init(void *arg) | 230 | static void vgetcpu_cpu_init(void *arg) |
231 | { | 231 | { |
232 | int cpu = smp_processor_id(); | 232 | int cpu = smp_processor_id(); |
233 | struct desc_struct d; | 233 | struct desc_struct d = { }; |
234 | unsigned long node = 0; | 234 | unsigned long node = 0; |
235 | #ifdef CONFIG_NUMA | 235 | #ifdef CONFIG_NUMA |
236 | node = cpu_to_node(cpu); | 236 | node = cpu_to_node(cpu); |
@@ -243,15 +243,13 @@ static void vgetcpu_cpu_init(void *arg) | |||
243 | * quickly in user space in vgetcpu. (12 bits for the CPU | 243 | * quickly in user space in vgetcpu. (12 bits for the CPU |
244 | * and 8 bits for the node) | 244 | * and 8 bits for the node) |
245 | */ | 245 | */ |
246 | d = (struct desc_struct) { | 246 | d.limit0 = cpu | ((node & 0xf) << 12); |
247 | .limit0 = cpu | ((node & 0xf) << 12), | 247 | d.limit = node >> 4; |
248 | .limit = node >> 4, | 248 | d.type = 5; /* RO data, expand down, accessed */ |
249 | .type = 5, /* RO data, expand down, accessed */ | 249 | d.dpl = 3; /* Visible to user code */ |
250 | .dpl = 3, /* Visible to user code */ | 250 | d.s = 1; /* Not a system segment */ |
251 | .s = 1, /* Not a system segment */ | 251 | d.p = 1; /* Present */ |
252 | .p = 1, /* Present */ | 252 | d.d = 1; /* 32-bit */ |
253 | .d = 1, /* 32-bit */ | ||
254 | }; | ||
255 | 253 | ||
256 | write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_PER_CPU, &d, DESCTYPE_S); | 254 | write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_PER_CPU, &d, DESCTYPE_S); |
257 | } | 255 | } |