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    Subject[PATCH v3 8/9] x86/xsaves: Fix XSTATE component offset print out
    Date
    Component offset print out was incorrect for XSAVES. Correct it and move
    to a separate function.

    Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>
    ---
    arch/x86/kernel/fpu/xstate.c | 18 ++++++++++++++++--
    1 file changed, 16 insertions(+), 2 deletions(-)

    diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
    index b9d4d59..2e80d6f 100644
    --- a/arch/x86/kernel/fpu/xstate.c
    +++ b/arch/x86/kernel/fpu/xstate.c
    @@ -251,8 +251,6 @@ static void __init setup_xstate_features(void)
    WARN_ONCE(last_good_offset > xstate_offsets[i],
    "x86/fpu: misordered xstate at %d\n", last_good_offset);
    last_good_offset = xstate_offsets[i];
    -
    - printk(KERN_INFO "x86/fpu: xstate_offset[%d]: %4d, xstate_sizes[%d]: %4d\n", i, ebx, i, eax);
    }
    }

    @@ -355,6 +353,21 @@ static void __init setup_xstate_comp(void)
    }

    /*
    + * Print out xstate component offsets and sizes
    + */
    +static void __init print_xstate_offset_size(void)
    +{
    + int i;
    +
    + for (i = FIRST_EXTENDED_XFEATURE; i < XFEATURE_MAX; i++) {
    + if (!xfeature_enabled(i))
    + continue;
    + pr_info("x86/fpu: xstate_offset[%d]: %4d, xstate_sizes[%d]: %4d\n",
    + i, xstate_comp_offsets[i], i, xstate_sizes[i]);
    + }
    +}
    +
    +/*
    * setup the xstate image representing the init state
    */
    static void __init setup_init_fpu_buf(void)
    @@ -687,6 +700,7 @@ void __init fpu__init_system_xstate(void)
    fpu__init_prepare_fx_sw_frame();
    setup_init_fpu_buf();
    setup_xstate_comp();
    + print_xstate_offset_size();

    pr_info("x86/fpu: Enabled xstate features 0x%llx, context size is %d bytes, using '%s' format.\n",
    xfeatures_mask,
    --
    1.9.1
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