From: Naveen N Rao Date: Mon, 19 Jun 2023 09:47:23 +0000 (+0530) Subject: powerpc/ftrace: Use FTRACE_REGS_ADDR to identify the correct ftrace trampoline X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b5efb61c70f8ba9b1e168185530b9c7342184a4c;p=linux.git powerpc/ftrace: Use FTRACE_REGS_ADDR to identify the correct ftrace trampoline Instead of keying off DYNAMIC_FTRACE_WITH_REGS, use FTRACE_REGS_ADDR to identify the proper ftrace trampoline address to use. Signed-off-by: Naveen N Rao Reviewed-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://msgid.link/6045a280a57a7ea937a5bb13ccac747026dbfb07.1687166935.git.naveen@kernel.org --- diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index f117124c30325..5aa36272617a0 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -745,14 +745,9 @@ int __init ftrace_dyn_arch_init(void) }; #endif - unsigned long addr; + unsigned long addr = FTRACE_REGS_ADDR; long reladdr; - if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE_WITH_REGS)) - addr = ppc_global_function_entry((void *)ftrace_regs_caller); - else - addr = ppc_global_function_entry((void *)ftrace_caller); - if (IS_ENABLED(CONFIG_PPC_KERNEL_PCREL)) { for (i = 0; i < 2; i++) { reladdr = addr - (unsigned long)tramp[i];