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Diffstat (limited to 'arch/um/os-Linux/sys-x86/tls.c')
-rw-r--r--arch/um/os-Linux/sys-x86/tls.c35
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/um/os-Linux/sys-x86/tls.c b/arch/um/os-Linux/sys-x86/tls.c
deleted file mode 100644
index 281e83ecce3d..000000000000
--- a/arch/um/os-Linux/sys-x86/tls.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <errno.h>
-#include <linux/unistd.h>
-
-#include <sys/syscall.h>
-#include <unistd.h>
-
-#include "sysdep/tls.h"
-
-/* Checks whether host supports TLS, and sets *tls_min according to the value
- * valid on the host.
- * i386 host have it == 6; x86_64 host have it == 12, for i386 emulation. */
-void check_host_supports_tls(int *supports_tls, int *tls_min) {
- /* Values for x86 and x86_64.*/
- int val[] = {GDT_ENTRY_TLS_MIN_I386, GDT_ENTRY_TLS_MIN_X86_64};
- int i;
-
- for (i = 0; i < ARRAY_SIZE(val); i++) {
- user_desc_t info;
- info.entry_number = val[i];
-
- if (syscall(__NR_get_thread_area, &info) == 0) {
- *tls_min = val[i];
- *supports_tls = 1;
- return;
- } else {
- if (errno == EINVAL)
- continue;
- else if (errno == ENOSYS)
- *supports_tls = 0;
- return;
- }
- }
-
- *supports_tls = 0;
-}