vdso: add zero clear for pvti

2016-04-11 21:59:18 +09:00
parent 7298d8e179
commit fceb02a44a
1 changed files with 1 additions and 0 deletions
--- a/arch/x86/kernel/cpu.c
+++ b/arch/x86/kernel/cpu.c
@ -1653,6 +1653,7 @@ int arch_setup_pvclock(void)
 		ekprintf("arch_setup_pvclock: allocate_pages failed.\n");
 		return -ENOMEM;
 	}
+	memset(pvti, 0, PAGE_SIZE*npages);

 	dkprintf("arch_setup_pvclock(): ok\n");
 	return 0;