On Wed, Nov 30, 2022 at 11:56:12PM +0100, Heiko Stuebner wrote: > From: Heiko Stuebner <heiko.stuebner@xxxxxxxx> > > We may want to runtime-optimize some core functions (str*, mem*), > but not have this leak into libstub and cause build issues. > Instead libstub, for the short while it's running, should just use > the generic implementation. > > So, to be able to determine whether functions, that are used both in > libstub and the main kernel, are getting compiled as part of libstub or > not, add a compile-flag we can check via #ifdef. > > Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > Signed-off-by: Heiko Stuebner <heiko.stuebner@xxxxxxxx> > --- > drivers/firmware/efi/libstub/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile > index ef5045a53ce0..777d1ab059e3 100644 > --- a/drivers/firmware/efi/libstub/Makefile > +++ b/drivers/firmware/efi/libstub/Makefile > @@ -25,7 +25,7 @@ cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ > -fno-builtin -fpic \ > $(call cc-option,-mno-single-pic-base) > cflags-$(CONFIG_RISCV) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ > - -fpic > + -fpic -DRISCV_EFISTUB > cflags-$(CONFIG_LOONGARCH) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \ > -fpie > > -- > 2.35.1 > Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
