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Linux/tools/testing/selftests/x86/helpers.h

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Differences between /tools/testing/selftests/x86/helpers.h (Version linux-5.8.18) and /tools/testing/selftests/x86/helpers.h (Version linux-4.19.278)


** Warning: Cannot open xref database.

  1 // SPDX-License-Identifier: GPL-2.0-only            1 
  2 #ifndef __SELFTESTS_X86_HELPERS_H                 
  3 #define __SELFTESTS_X86_HELPERS_H                 
  4                                                   
  5 #include <asm/processor-flags.h>                  
  6                                                   
  7 static inline unsigned long get_eflags(void)      
  8 {                                                 
  9         unsigned long eflags;                     
 10                                                   
 11         asm volatile (                            
 12 #ifdef __x86_64__                                 
 13                 "subq $128, %%rsp\n\t"            
 14                 "pushfq\n\t"                      
 15                 "popq %0\n\t"                     
 16                 "addq $128, %%rsp"                
 17 #else                                             
 18                 "pushfl\n\t"                      
 19                 "popl %0"                         
 20 #endif                                            
 21                 : "=r" (eflags) :: "memory");     
 22                                                   
 23         return eflags;                            
 24 }                                                 
 25                                                   
 26 static inline void set_eflags(unsigned long ef    
 27 {                                                 
 28         asm volatile (                            
 29 #ifdef __x86_64__                                 
 30                 "subq $128, %%rsp\n\t"            
 31                 "pushq %0\n\t"                    
 32                 "popfq\n\t"                       
 33                 "addq $128, %%rsp"                
 34 #else                                             
 35                 "pushl %0\n\t"                    
 36                 "popfl"                           
 37 #endif                                            
 38                 :: "r" (eflags) : "flags", "me    
 39 }                                                 
 40                                                   
 41 #endif /* __SELFTESTS_X86_HELPERS_H */            
 42                                                   

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