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    Subject[tip: x86/urgent] x86/fpu: Remove unused supervisor only offsets
    The following commit has been merged into the x86/urgent branch of tip:

    Commit-ID: d47f71f6de7970d504748d1a60a11c51af5bce47
    Gitweb: https://git.kernel.org/tip/d47f71f6de7970d504748d1a60a11c51af5bce47
    Author: Thomas Gleixner <tglx@linutronix.de>
    AuthorDate: Thu, 24 Mar 2022 14:47:09 +01:00
    Committer: Borislav Petkov <bp@suse.de>
    CommitterDate: Wed, 30 Mar 2022 10:44:51 +02:00

    x86/fpu: Remove unused supervisor only offsets

    No users.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Borislav Petkov <bp@suse.de>
    Link: https://lore.kernel.org/r/20220324134623.465066249@linutronix.de
    ---
    arch/x86/kernel/fpu/xstate.c | 30 ------------------------------
    1 file changed, 30 deletions(-)

    diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
    index dc6d5e9..dc33556 100644
    --- a/arch/x86/kernel/fpu/xstate.c
    +++ b/arch/x86/kernel/fpu/xstate.c
    @@ -83,8 +83,6 @@ static unsigned int xstate_sizes[XFEATURE_MAX] __ro_after_init =
    { [ 0 ... XFEATURE_MAX - 1] = -1};
    static unsigned int xstate_comp_offsets[XFEATURE_MAX] __ro_after_init =
    { [ 0 ... XFEATURE_MAX - 1] = -1};
    -static unsigned int xstate_supervisor_only_offsets[XFEATURE_MAX] __ro_after_init =
    - { [ 0 ... XFEATURE_MAX - 1] = -1};

    /*
    * Return whether the system supports a given xfeature.
    @@ -325,33 +323,6 @@ static void __init setup_xstate_comp_offsets(void)
    }

    /*
    - * Setup offsets of a supervisor-state-only XSAVES buffer:
    - *
    - * The offsets stored in xstate_comp_offsets[] only work for one specific
    - * value of the Requested Feature BitMap (RFBM). In cases where a different
    - * RFBM value is used, a different set of offsets is required. This set of
    - * offsets is for when RFBM=xfeatures_mask_supervisor().
    - */
    -static void __init setup_supervisor_only_offsets(void)
    -{
    - unsigned int next_offset;
    - int i;
    -
    - next_offset = FXSAVE_SIZE + XSAVE_HDR_SIZE;
    -
    - for_each_extended_xfeature(i, fpu_kernel_cfg.max_features) {
    - if (!xfeature_is_supervisor(i))
    - continue;
    -
    - if (xfeature_is_aligned(i))
    - next_offset = ALIGN(next_offset, 64);
    -
    - xstate_supervisor_only_offsets[i] = next_offset;
    - next_offset += xstate_sizes[i];
    - }
    -}
    -
    -/*
    * Print out xstate component offsets and sizes
    */
    static void __init print_xstate_offset_size(void)
    @@ -951,7 +922,6 @@ void __init fpu__init_system_xstate(unsigned int legacy_size)

    setup_init_fpu_buf();
    setup_xstate_comp_offsets();
    - setup_supervisor_only_offsets();

    /*
    * Paranoia check whether something in the setup modified the
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