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    Subject[PATCH 04/15] x86, fpu: kill LWP support
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    From: Dave Hansen <dave.hansen@linux.intel.com>

    LightWeight Profiling was evidently an AMD profiling feature that
    we never got around to implementing. Remove the references to it.

    Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: x86@kernel.org
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: Tim Chen <tim.c.chen@linux.intel.com>
    Cc: linux-kernel@vger.kernel.org
    ---

    b/arch/x86/include/asm/fpu/types.h | 5 -----
    1 file changed, 5 deletions(-)

    diff -puN arch/x86/include/asm/fpu/types.h~axe-lwp arch/x86/include/asm/fpu/types.h
    --- a/arch/x86/include/asm/fpu/types.h~axe-lwp 2015-09-02 15:52:49.170856263 -0700
    +++ b/arch/x86/include/asm/fpu/types.h 2015-09-02 16:26:19.738216188 -0700
    @@ -132,11 +132,6 @@ struct ymmh_struct {
    u8 ymmh_space[256];
    };

    -/* We don't support LWP yet: */
    -struct lwp_struct {
    - u8 reserved[128];
    -};
    -
    /* Intel MPX support: */
    struct bndreg {
    u64 lower_bound;
    _

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