1288 	u64 x86_arch_cap_msr = 0;  in x86_read_arch_cap_msr()  local
1291 		rdmsrl(MSR_IA32_ARCH_CAPABILITIES, x86_arch_cap_msr);  in x86_read_arch_cap_msr()
1293 	return x86_arch_cap_msr;  in x86_read_arch_cap_msr()
1296 static bool arch_cap_mmio_immune(u64 x86_arch_cap_msr)  in arch_cap_mmio_immune()  argument
1298 	return (x86_arch_cap_msr & ARCH_CAP_FBSDP_NO &&  in arch_cap_mmio_immune()
1299 		x86_arch_cap_msr & ARCH_CAP_PSDP_NO &&  in arch_cap_mmio_immune()
1300 		x86_arch_cap_msr & ARCH_CAP_SBDR_SSDP_NO);  in arch_cap_mmio_immune()
1303 static bool __init vulnerable_to_rfds(u64 x86_arch_cap_msr)  in vulnerable_to_rfds()  argument
1306 	if (x86_arch_cap_msr & ARCH_CAP_RFDS_NO)  in vulnerable_to_rfds()
1314 	if (x86_arch_cap_msr & ARCH_CAP_RFDS_CLEAR)  in vulnerable_to_rfds()
1323 	u64 x86_arch_cap_msr = x86_read_arch_cap_msr();  in cpu_set_bug_bits()  local
1327 	    !(x86_arch_cap_msr & ARCH_CAP_PSCHANGE_MC_NO))  in cpu_set_bug_bits()
1339 	    !(x86_arch_cap_msr & ARCH_CAP_SSB_NO) &&  in cpu_set_bug_bits()
1350 	if ((x86_arch_cap_msr & ARCH_CAP_IBRS_ALL) ||  in cpu_set_bug_bits()
1355 		    !(x86_arch_cap_msr & ARCH_CAP_PBRSB_NO))  in cpu_set_bug_bits()
1360 	    !(x86_arch_cap_msr & ARCH_CAP_MDS_NO)) {  in cpu_set_bug_bits()
1379 	if (!(x86_arch_cap_msr & ARCH_CAP_TAA_NO) &&  in cpu_set_bug_bits()
1381 	     (x86_arch_cap_msr & ARCH_CAP_TSX_CTRL_MSR)))  in cpu_set_bug_bits()
1407 	if (!arch_cap_mmio_immune(x86_arch_cap_msr)) {  in cpu_set_bug_bits()
1415 		if (cpu_matches(cpu_vuln_blacklist, RETBLEED) || (x86_arch_cap_msr & ARCH_CAP_RSBA))  in cpu_set_bug_bits()
1433 	if (cpu_matches(cpu_vuln_blacklist, GDS) && !(x86_arch_cap_msr & ARCH_CAP_GDS_NO) &&  in cpu_set_bug_bits()
1437 	if (vulnerable_to_rfds(x86_arch_cap_msr))  in cpu_set_bug_bits()
1441 	if (!(x86_arch_cap_msr & ARCH_CAP_BHI_NO) &&  in cpu_set_bug_bits()
1454 	if (x86_arch_cap_msr & ARCH_CAP_RDCL_NO)  in cpu_set_bug_bits()