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x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have…
… CPUID Otherwise arch_task_struct_size == 0 and we die. While we're at it, set X86_FEATURE_ALWAYS, too. Reported-by: David Saggiorato <[email protected]> Tested-by: David Saggiorato <[email protected]> Signed-off-by: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Fixes: aaeb5c01c5b ("x86/fpu, sched: Introduce CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT and use it on x86") Link: http://lkml.kernel.org/r/8de723afbf0811071185039f9088733188b606c9.1475103911.git.luto@kernel.org Signed-off-by: Ingo Molnar <[email protected]>
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