| From d40f833630a1299fd377408dc8d8fac370d621b0 Mon Sep 17 00:00:00 2001 |
| From: Matt Fleming <matt.fleming@intel.com> |
| Date: Tue, 28 Feb 2012 13:37:23 +0000 |
| Subject: x86, boot: Restrict CFLAGS for hostprogs |
| |
| From: Matt Fleming <matt.fleming@intel.com> |
| |
| commit d40f833630a1299fd377408dc8d8fac370d621b0 upstream. |
| |
| Currently tools/build has access to all the kernel headers in |
| $(srctree). This is unnecessary and could potentially allow |
| tools/build to erroneously include kernel headers when it should only |
| be including userspace-exported headers. |
| |
| Unfortunately, mkcpustr still needs access to some of the asm kernel |
| headers, so explicitly special case that hostprog. |
| |
| Cc: H. Peter Anvin <hpa@zytor.com> |
| Signed-off-by: Matt Fleming <matt.fleming@intel.com> |
| Link: http://lkml.kernel.org/r/1330436245-24875-5-git-send-email-matt@console-pimps.org |
| Signed-off-by: H. Peter Anvin <hpa@zytor.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| arch/x86/boot/Makefile | 5 +++-- |
| 1 file changed, 3 insertions(+), 2 deletions(-) |
| |
| --- a/arch/x86/boot/Makefile |
| +++ b/arch/x86/boot/Makefile |
| @@ -37,8 +37,9 @@ setup-y += video-bios.o |
| targets += $(setup-y) |
| hostprogs-y := mkcpustr tools/build |
| |
| -HOST_EXTRACFLAGS += $(LINUXINCLUDE) |
| - |
| +HOSTCFLAGS_mkcpustr.o := -I$(srctree)/arch/$(SRCARCH)/include |
| +HOST_EXTRACFLAGS += -I$(objtree)/include -I$(srctree)/tools/include \ |
| + -include $(srctree)/include/linux/kconfig.h |
| $(obj)/cpu.o: $(obj)/cpustr.h |
| |
| quiet_cmd_cpustr = CPUSTR $@ |