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421ec9017f
Pull x86 fpu changes from Ingo Molnar: "Various x86 FPU handling cleanups, refactorings and fixes (Borislav Petkov, Oleg Nesterov, Rik van Riel)" * 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits) x86/fpu: Kill eager_fpu_init_bp() x86/fpu: Don't allocate fpu->state for swapper/0 x86/fpu: Rename drop_init_fpu() to fpu_reset_state() x86/fpu: Fold __drop_fpu() into its sole user x86/fpu: Don't abuse drop_init_fpu() in flush_thread() x86/fpu: Use restore_init_xstate() instead of math_state_restore() on kthread exec x86/fpu: Introduce restore_init_xstate() x86/fpu: Document user_fpu_begin() x86/fpu: Factor out memset(xstate, 0) in fpu_finit() paths x86/fpu: Change xstateregs_get()/set() to use ->xsave.i387 rather than ->fxsave x86/fpu: Don't abuse FPU in kernel threads if use_eager_fpu() x86/fpu: Always allow FPU in interrupt if use_eager_fpu() x86/fpu: __kernel_fpu_begin() should clear fpu_owner_task even if use_eager_fpu() x86/fpu: Also check fpu_lazy_restore() when use_eager_fpu() x86/fpu: Use task_disable_lazy_fpu_restore() helper x86/fpu: Use an explicit if/else in switch_fpu_prepare() x86/fpu: Introduce task_disable_lazy_fpu_restore() helper x86/fpu: Move lazy restore functions up a few lines x86/fpu: Change math_error() to use unlazy_fpu(), kill (now) unused save_init_fpu() x86/fpu: Don't do __thread_fpu_end() if use_eager_fpu() ... |
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