kernel/cpu/cpuid-deps.c

15  * This only includes dependencies that can be usefully disabled, not
18  * Note this all is not __init / __initdata because it can be
88 		clear_bit(feature, (unsigned long *)c->x86_capability);  in clear_feature()
97 	DECLARE_BITMAP(disable, MAX_FEATURE_BITS);  in do_clear_cpu_cap()
106 	/* Collect all features to disable, handling dependencies */  in do_clear_cpu_cap()
107 	memset(disable, 0, sizeof(disable));  in do_clear_cpu_cap()
108 	__set_bit(feature, disable);  in do_clear_cpu_cap()
113 		for (d = cpuid_deps; d->feature; d++) {  in do_clear_cpu_cap()
114 			if (!test_bit(d->depends, disable))  in do_clear_cpu_cap()
116 			if (__test_and_set_bit(d->feature, disable))  in do_clear_cpu_cap()
120 			clear_feature(c, d->feature);  in do_clear_cpu_cap()