Got it! Thank you, Steevn. Maybe I can give it a try later :) Regards, Ze On Tue, May 16, 2023 at 10:20 PM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > > On Tue, 16 May 2023 15:18:30 +0800 > Ze Gao <zegao2021@xxxxxxxxx> wrote: > > > CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE) > > +CFLAGS_REMOVE_rethook.o = $(CC_FLAGS_FTRACE) > > > > endif > > > > diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile > > index dd61752f4c96..4070a01c11b7 100644 > > --- a/arch/x86/kernel/Makefile > > +++ b/arch/x86/kernel/Makefile > > @@ -17,6 +17,7 @@ CFLAGS_REMOVE_ftrace.o = -pg > > CFLAGS_REMOVE_early_printk.o = -pg > > CFLAGS_REMOVE_head64.o = -pg > > CFLAGS_REMOVE_sev.o = -pg > > +CFLAGS_REMOVE_rethook.o = -pg > > Unrelated to this patch, but someday we need to change the -pg above to > $(CC_FLAGS_FTRACE). > > -- Steve > > > > endif > > > > KASAN_SANITIZE_head$(BITS).o := n > > --