26 	return 0;  in nobp_setup_early()
33 	return 0;  in nospec_setup_early()
45 	return 0;  in nospec_report()
56 	return 0;  in nospectre_v2_setup_early()
75 		nospec_disable = 0;  in nospec_auto_detect()
88 		nospec_disable = 0;  in spectre_v2_setup_early()
95 	return 0;  in spectre_v2_setup_early()
109 		if (instr[0] == 0xc0 && (instr[1] & 0x0f) == 0x04)  in __nospec_revert()
111 		else if (instr[0] == 0xc0 && (instr[1] & 0x0f) == 0x05)  in __nospec_revert()
116 		if (thunk[0] == 0xc6 && thunk[1] == 0x00)  in __nospec_revert()
119 		else if (thunk[0] == 0xc0 && (thunk[1] & 0x0f) == 0x00 &&  in __nospec_revert()
120 			 thunk[6] == 0x44 && thunk[7] == 0x00 &&  in __nospec_revert()
121 			 (thunk[8] & 0x0f) == 0x00 && thunk[9] == 0x00 &&  in __nospec_revert()
122 			 (thunk[1] & 0xf0) == (thunk[8] & 0xf0))  in __nospec_revert()
123 			/* larl %rx,<target br> + ex %r0,0(%rx) */  in __nospec_revert()
127 		/* Check for unconditional branch 0x07f? or 0x47f???? */  in __nospec_revert()
128 		if ((br[0] & 0xbf) != 0x07 || (br[1] & 0xf0) != 0xf0)  in __nospec_revert()
131 		memcpy(insnbuf + 2, (char[]) { 0x47, 0x00, 0x07, 0x00 }, 4);  in __nospec_revert()
134 			insnbuf[0] = br[0];  in __nospec_revert()
135 			insnbuf[1] = (instr[1] & 0xf0) | (br[1] & 0x0f);  in __nospec_revert()
136 			if (br[0] == 0x47) {  in __nospec_revert()
145 			insnbuf[1] = (instr[1] & 0xf0) | (br[1] & 0x0f);  in __nospec_revert()
146 			if (br[0] == 0x47) {  in __nospec_revert()
148 				insnbuf[0] = 0x4d;  in __nospec_revert()
153 				insnbuf[0] = 0x0d;  in __nospec_revert()