| /Linux-v4.19/arch/s390/kernel/ |
| D | nospec-branch.c | 102 u8 insnbuf[6]; in __nospec_revert() local
130 memcpy(insnbuf + 2, (char[]) { 0x47, 0x00, 0x07, 0x00 }, 4); in __nospec_revert()
133 insnbuf[0] = br[0]; in __nospec_revert()
134 insnbuf[1] = (instr[1] & 0xf0) | (br[1] & 0x0f); in __nospec_revert()
137 insnbuf[2] = br[2]; in __nospec_revert()
138 insnbuf[3] = br[3]; in __nospec_revert()
144 insnbuf[1] = (instr[1] & 0xf0) | (br[1] & 0x0f); in __nospec_revert()
147 insnbuf[0] = 0x4d; in __nospec_revert()
148 insnbuf[2] = br[2]; in __nospec_revert()
149 insnbuf[3] = br[3]; in __nospec_revert()
[all …]
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| D | alternative.c | 67 u8 insnbuf[MAX_PATCH_LEN]; in __apply_alternatives() local
89 memcpy(insnbuf, replacement, a->replacementlen); in __apply_alternatives()
93 add_padding(insnbuf + a->replacementlen, in __apply_alternatives()
98 s390_kernel_write(instr, insnbuf, insnbuf_sz); in __apply_alternatives()
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| /Linux-v4.19/arch/x86/kernel/ |
| D | alternative.c | 273 recompute_jump(struct alt_instr *a, u8 *orig_insn, u8 *repl_insn, u8 *insnbuf) in recompute_jump() argument
282 o_dspl = *(s32 *)(insnbuf + 1); in recompute_jump()
308 insnbuf[0] = 0xeb; in recompute_jump()
309 insnbuf[1] = (s8)n_dspl; in recompute_jump()
310 add_nops(insnbuf + 2, 3); in recompute_jump()
318 insnbuf[0] = 0xe9; in recompute_jump()
319 *(s32 *)&insnbuf[1] = n_dspl; in recompute_jump()
366 u8 insnbuf[MAX_PATCH_LEN]; in apply_alternatives() local
383 BUG_ON(a->instrlen > sizeof(insnbuf)); in apply_alternatives()
401 memcpy(insnbuf, replacement, a->replacementlen); in apply_alternatives()
[all …]
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| D | paravirt.c | 84 unsigned paravirt_patch_call(void *insnbuf, in paravirt_patch_call() argument
89 struct branch *b = insnbuf; in paravirt_patch_call()
106 unsigned paravirt_patch_jmp(void *insnbuf, const void *target, in paravirt_patch_jmp() argument
109 struct branch *b = insnbuf; in paravirt_patch_jmp()
152 unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, in paravirt_patch_default() argument
160 ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a)); in paravirt_patch_default()
166 ret = paravirt_patch_ident_32(insnbuf, len); in paravirt_patch_default()
168 ret = paravirt_patch_ident_64(insnbuf, len); in paravirt_patch_default()
173 ret = paravirt_patch_jmp(insnbuf, opfunc, addr, len); in paravirt_patch_default()
177 ret = paravirt_patch_call(insnbuf, opfunc, CLBR_ANY, in paravirt_patch_default()
[all …]
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| D | paravirt_patch_64.c | 26 unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len) in paravirt_patch_ident_32() argument
28 return paravirt_patch_insns(insnbuf, len, in paravirt_patch_ident_32()
32 unsigned paravirt_patch_ident_64(void *insnbuf, unsigned len) in paravirt_patch_ident_64() argument
34 return paravirt_patch_insns(insnbuf, len, in paravirt_patch_ident_64()
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| D | paravirt_patch_32.c | 18 unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len) in paravirt_patch_ident_32() argument
24 unsigned paravirt_patch_ident_64(void *insnbuf, unsigned len) in paravirt_patch_ident_64() argument
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| /Linux-v4.19/arch/x86/include/asm/ |
| D | paravirt_types.h | 88 unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
374 unsigned paravirt_patch_ident_32(void *insnbuf, unsigned len);
375 unsigned paravirt_patch_ident_64(void *insnbuf, unsigned len);
376 unsigned paravirt_patch_call(void *insnbuf,
380 unsigned paravirt_patch_jmp(void *insnbuf, const void *target,
382 unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
385 unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
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