| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 23/89] x86/realmode: build with -D__DISABLE_EXPORTS | Date | Fri, 22 Jul 2022 11:10:57 +0200 |
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From: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Commit 156ff4a544ae ("x86/ibt: Base IBT bits") added this option when building realmode in order to disable IBT there. This is also needed in order to disable return thunks.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -24,7 +24,7 @@ endif # How to compile the 16-bit code. Note we always compile for -march=i386; # that way we can complain to the user if the CPU is insufficient. -REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING \ +REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \ -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ -mno-mmx -mno-sse $(call cc-option,-fcf-protection=none)
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