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authorIngo Molnar <mingo@elte.hu>2009-06-17 08:59:01 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-17 08:59:10 +0200
commitcc4949e1fdade5d063e9f8783cf0e2cc92041ce5 (patch)
tree4023bd641bfe464efbde518fb504d6865c9df014 /arch/s390/kernel/vdso.c
parent28b4868820a56de661f54742ff91b78e12f1e582 (diff)
parent300df7dc89cc276377fc020704e34875d5c473b6 (diff)
Merge branch 'linus' into x86/urgent
Merge reason: pull in latest to fix a bug in it. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/s390/kernel/vdso.c')
-rw-r--r--arch/s390/kernel/vdso.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 89b2e7f1b7a..45e1708b70f 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -22,7 +22,7 @@
#include <linux/elf.h>
#include <linux/security.h>
#include <linux/bootmem.h>
-
+#include <linux/compat.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/processor.h>
@@ -53,8 +53,19 @@ unsigned int __read_mostly vdso_enabled = 1;
static int __init vdso_setup(char *s)
{
- vdso_enabled = simple_strtoul(s, NULL, 0);
- return 1;
+ unsigned long val;
+ int rc;
+
+ rc = 0;
+ if (strncmp(s, "on", 3) == 0)
+ vdso_enabled = 1;
+ else if (strncmp(s, "off", 4) == 0)
+ vdso_enabled = 0;
+ else {
+ rc = strict_strtoul(s, 0, &val);
+ vdso_enabled = rc ? 0 : !!val;
+ }
+ return !rc;
}
__setup("vdso=", vdso_setup);
@@ -203,7 +214,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
vdso_pagelist = vdso64_pagelist;
vdso_pages = vdso64_pages;
#ifdef CONFIG_COMPAT
- if (test_thread_flag(TIF_31BIT)) {
+ if (is_compat_task()) {
vdso_pagelist = vdso32_pagelist;
vdso_pages = vdso32_pages;
}