From: Gabriel Krisman Bertazi Date: Sun, 4 Oct 2020 03:25:29 +0000 (-0400) Subject: x86/oprofile: Avoid TIF_IA32 when checking 64bit mode X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=47cd4dac1fb21759ffcfe0600827c87fa6acdfa7;p=linux.git 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 Signed-off-by: Thomas Gleixner 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 a2488b6e27d6c..1d8391fcca68f 100644 --- 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;