Commit 588e148d authored by Dave Hansen's avatar Dave Hansen
Browse files

x86/fpu: Remove unnecessary CPUID level check 



The CPUID level dependency table will entirely zap X86_FEATURE_XSAVE
if the CPUID level is too low.  This code is unreachable.  Kill it.

Signed-off-by: default avatarDave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: default avatarChang S. Bae <chang.seok.bae@intel.com>
Link: https://lore.kernel.org/all/20241213205038.6E71F9A4%40davehans-spike.ostc.intel.com
parent 754aaac3

arch/x86/kernel/fpu/xstate.c

+0 −5
Original line number Diff line number Diff line
@@ -764,11 +764,6 @@ void __init fpu__init_system_xstate(unsigned int legacy_size) 
		return;

	}



	if (boot_cpu_data.cpuid_level < XSTATE_CPUID) {

		WARN_ON_FPU(1);

		return;

	}



	/*

	 * Find user xstates supported by the processor.

	 */