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    Subject[PATCH 3.19.y-ckt 055/146] x86/vdso: Fix 'make bzImage' on older distros
    Date
    3.19.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Oleg Nesterov <oleg@redhat.com>

    commit ef7254a595912b026d80a4116b8c4cd5b79d9c62 upstream.

    Change HOST_EXTRACFLAGS to include arch/x86/include/uapi along
    with include/uapi.

    This looks more consistent, and this fixes "make bzImage" on my
    old distro which doesn't have asm/bitsperlong.h in /usr/include/.

    Signed-off-by: Oleg Nesterov <oleg@redhat.com>
    Signed-off-by: Borislav Petkov <bp@suse.de>
    Acked-by: Andy Lutomirski <luto@kernel.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Brian Gerst <brgerst@gmail.com>
    Cc: Denys Vlasenko <dvlasenk@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Rusty Russell <rusty@rustcorp.com.au>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Fixes: 6f121e548f83 ("x86, vdso: Reimplement vdso.so preparation in build-time C")
    Link: http://lkml.kernel.org/r/1431332153-18566-6-git-send-email-bp@alien8.de
    Link: http://lkml.kernel.org/r/20150507165835.GB18652@redhat.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>
    Signed-off-by: Kamal Mostafa <kamal@canonical.com>
    ---
    arch/x86/vdso/Makefile | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
    index 745e9fe..0cd936e 100644
    --- a/arch/x86/vdso/Makefile
    +++ b/arch/x86/vdso/Makefile
    @@ -50,7 +50,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
    $(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
    $(call if_changed,vdso)

    -HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi
    +HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/x86/include/uapi
    hostprogs-y += vdso2c

    quiet_cmd_vdso2c = VDSO2C $@
    --
    1.9.1


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