um: disable scan_elf_aux() on x86_64
Reusing the host's vDSO makes only sense on x86_32.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index fb2a97a..8471b81 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -21,6 +21,8 @@
#define STACKSIZE (8 * 1024 * 1024)
#define THREAD_NAME_LEN (256)
+long elf_aux_hwcap;
+
static void set_stklim(void)
{
struct rlimit lim;
@@ -143,7 +145,9 @@
install_fatal_handler(SIGINT);
install_fatal_handler(SIGTERM);
+#ifdef CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
scan_elf_aux(envp);
+#endif
do_uml_initcalls();
ret = linux_main(argc, argv);