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    SubjectRe: dmsetup fails on latest kernel
    Here is a patch which should fix this problem.  I will run a few more
    tests and then push it with the rest of the urgent queue to Linus.

    -hpa


    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.

    From 497e064320506cd15f7bdd659204b576c80bf24e Mon Sep 17 00:00:00 2001
    From: "H. Peter Anvin" <hpa@zytor.com>
    Date: Thu, 19 Jan 2012 12:41:25 -0800
    Subject: [PATCH] x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits

    In checkin

    303395ac3bf3 x86: Generate system call tables and unistd_*.h from tables

    the feature macros in <asm/unistd.h> were unified between 32 and 64
    bits. Unfortunately 32 bits requires __ARCH_WANT_SYS_IPC and this was
    inadvertently dropped.

    Reported-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Signed-off-by: H. Peter Anvin <hpa@zytor.com>
    Link: http://lkml.kernel.org/r/CALLzPKbeXN5gdngo8uYYU8mAow=XhrwBFBhKfG811f37BubQOg@mail.gmail.com
    ---
    arch/x86/include/asm/unistd.h | 1 +
    1 files changed, 1 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h
    index b4a3db7..21f77b8 100644
    --- a/arch/x86/include/asm/unistd.h
    +++ b/arch/x86/include/asm/unistd.h
    @@ -7,6 +7,7 @@
    # include <asm/unistd_32.h>
    # define __ARCH_WANT_IPC_PARSE_VERSION
    # define __ARCH_WANT_STAT64
    +# define __ARCH_WANT_SYS_IPC
    # define __ARCH_WANT_SYS_OLD_MMAP
    # define __ARCH_WANT_SYS_OLD_SELECT

    --
    1.7.6.5
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