15 lines
		
	
	
	
		
			397 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			15 lines
		
	
	
	
		
			397 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#include <linux/hardirq.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/*
							 | 
						||
| 
								 | 
							
								 * may_use_simd - whether it is allowable at this time to issue SIMD
							 | 
						||
| 
								 | 
							
								 *                instructions or access the SIMD register file
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * As architectures typically don't preserve the SIMD register file when
							 | 
						||
| 
								 | 
							
								 * taking an interrupt, !in_interrupt() should be a reasonable default.
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								static __must_check inline bool may_use_simd(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									return !in_interrupt();
							 | 
						||
| 
								 | 
							
								}
							 |