Re: [PATCH 06/18] add support for Clang's Shadow Call Stack (SCS)

From: Sami Tolvanen
Date: Thu Oct 24 2019 - 18:17:24 EST


On Thu, Oct 24, 2019 at 5:04 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> You can remove a CFLAGS for a whole directory. lib, kernel/trace and
> others do this. Look at kernel/trace/Makefile, we have:
>
> ORIG_CFLAGS := $(KBUILD_CFLAGS)
> KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))

That definitely looks less invasive in this case than adding
ccflags-remove-y, since we only really need this for one directory.
I'll use this in v2. Thanks, Steven.

Sami