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-rw-r--r--arch/x86/kernel/vmlinux.lds.S28
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 89aed99aafce..98b378dc7f86 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -161,12 +161,6 @@ SECTIONS
161 161
162#define VVIRT_OFFSET (VSYSCALL_ADDR - __vsyscall_0) 162#define VVIRT_OFFSET (VSYSCALL_ADDR - __vsyscall_0)
163#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET) 163#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
164#define EMIT_VVAR(x, offset) .vsyscall_var_ ## x \
165 ADDR(.vsyscall_0) + offset \
166 : AT(VLOAD(.vsyscall_var_ ## x)) { \
167 *(.vsyscall_var_ ## x) \
168 } \
169 x = VVIRT(.vsyscall_var_ ## x);
170 164
171 . = ALIGN(4096); 165 . = ALIGN(4096);
172 __vsyscall_0 = .; 166 __vsyscall_0 = .;
@@ -192,19 +186,31 @@ SECTIONS
192 *(.vsyscall_3) 186 *(.vsyscall_3)
193 } 187 }
194 188
195#define __VVAR_KERNEL_LDS 189 . = ALIGN(__vsyscall_0 + PAGE_SIZE, PAGE_SIZE);
196#include <asm/vvar.h>
197#undef __VVAR_KERNEL_LDS
198
199 . = __vsyscall_0 + PAGE_SIZE;
200 190
201#undef VSYSCALL_ADDR 191#undef VSYSCALL_ADDR
202#undef VLOAD_OFFSET 192#undef VLOAD_OFFSET
203#undef VLOAD 193#undef VLOAD
204#undef VVIRT_OFFSET 194#undef VVIRT_OFFSET
205#undef VVIRT 195#undef VVIRT
196
197 __vvar_page = .;
198
199 .vvar : AT(ADDR(.vvar) - LOAD_OFFSET) {
200
201 /* Place all vvars at the offsets in asm/vvar.h. */
202#define EMIT_VVAR(name, offset) \
203 . = offset; \
204 *(.vvar_ ## name)
205#define __VVAR_KERNEL_LDS
206#include <asm/vvar.h>
207#undef __VVAR_KERNEL_LDS
206#undef EMIT_VVAR 208#undef EMIT_VVAR
207 209
210 } :data
211
212 . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE);
213
208#endif /* CONFIG_X86_64 */ 214#endif /* CONFIG_X86_64 */
209 215
210 /* Init code and data - will be freed after init */ 216 /* Init code and data - will be freed after init */