x86/oprofile: Avoid TIF_IA32 when checking 64bit mode

In preparation to remove TIF_IA32, stop using it in oprofile code. Use
user_64bit_mode() instead.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201004032536.1229030-4-krisman@collabora.com

diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index a2488b6e27d6c20aefcfff006ae63da03eec9b22..1d8391fcca68f594805c79fd4eef1ef067c45303 100644 (file)
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -49,7 +49,7 @@ x86_backtrace_32(struct pt_regs * const regs, unsigned int depth)
        struct stack_frame_ia32 *head;
 
        /* User process is IA32 */
-       if (!current || !test_thread_flag(TIF_IA32))
+       if (!current || user_64bit_mode(regs))
                return 0;
 
        head = (struct stack_frame_ia32 *) regs->bp;