cregit-Linux how code gets into the kernel

Release 4.10 arch/sparc/include/asm/jump_label.h

#ifndef _ASM_SPARC_JUMP_LABEL_H

#define _ASM_SPARC_JUMP_LABEL_H

#ifndef __ASSEMBLY__

#include <linux/types.h>


#define JUMP_LABEL_NOP_SIZE 4


static __always_inline bool arch_static_branch(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" "nop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" ".align 4\n\t" ".word 1b, %l[l_yes], %c0\n\t" ".popsection \n\t" : : "i" (&((char *)key)[branch]) : : l_yes); return false; l_yes: return true; }

Contributors

PersonTokensPropCommitsCommitProp
peter zijlstrapeter zijlstra2954.72%120.00%
ingo molnaringo molnar1426.42%240.00%
jason baronjason baron713.21%120.00%
david s. millerdavid s. miller35.66%120.00%
Total53100.00%5100.00%


static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" "b %l[l_yes]\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" ".align 4\n\t" ".word 1b, %l[l_yes], %c0\n\t" ".popsection \n\t" : : "i" (&((char *)key)[branch]) : : l_yes); return false; l_yes: return true; }

Contributors

PersonTokensPropCommitsCommitProp
peter zijlstrapeter zijlstra3769.81%133.33%
jason baronjason baron916.98%133.33%
ingo molnaringo molnar713.21%133.33%
Total53100.00%3100.00%

typedef u32 jump_label_t; struct jump_entry { jump_label_t code; jump_label_t target; jump_label_t key; }; #endif /* __ASSEMBLY__ */ #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
peter zijlstrapeter zijlstra6645.52%116.67%
david s. millerdavid s. miller3423.45%116.67%
ingo molnaringo molnar2315.86%233.33%
jason baronjason baron1611.03%116.67%
anton blanchardanton blanchard64.14%116.67%
Total145100.00%6100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.