8 	unsigned int	feature;  member
90 static inline void clear_feature(struct cpuinfo_x86 *c, unsigned int feature)  in clear_feature()  argument
98 		clear_cpu_cap(&boot_cpu_data, feature);  in clear_feature()
99 		set_bit(feature, (unsigned long *)cpu_caps_cleared);  in clear_feature()
101 		clear_bit(feature, (unsigned long *)c->x86_capability);  in clear_feature()
108 static void do_clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int feature)  in do_clear_cpu_cap()  argument
114 	if (WARN_ON(feature >= MAX_FEATURE_BITS))  in do_clear_cpu_cap()
117 	if (boot_cpu_has(feature))  in do_clear_cpu_cap()
120 	clear_feature(c, feature);  in do_clear_cpu_cap()
124 	__set_bit(feature, disable);  in do_clear_cpu_cap()
129 		for (d = cpuid_deps; d->feature; d++) {  in do_clear_cpu_cap()
132 			if (__test_and_set_bit(d->feature, disable))  in do_clear_cpu_cap()
136 			clear_feature(c, d->feature);  in do_clear_cpu_cap()
141 void clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int feature)  in clear_cpu_cap()  argument
143 	do_clear_cpu_cap(c, feature);  in clear_cpu_cap()
146 void setup_clear_cpu_cap(unsigned int feature)  in setup_clear_cpu_cap()  argument
148 	do_clear_cpu_cap(NULL, feature);  in setup_clear_cpu_cap()
152  * Return the feature "name" if available, otherwise return
154  * the feature.
156 static const char *x86_feature_name(unsigned int feature, char *buf)  in x86_feature_name()  argument
158 	if (x86_cap_flags[feature])  in x86_feature_name()
159 		return x86_cap_flags[feature];  in x86_feature_name()
161 	snprintf(buf, 16, "%d*32+%2d", feature / 32, feature % 32);  in x86_feature_name()
171 	for (d = cpuid_deps; d->feature; d++) {  in check_cpufeature_deps()
172 		if (cpu_has(c, d->feature) && !cpu_has(c, d->depends)) {  in check_cpufeature_deps()
178 …pr_warn_once("x86 CPU feature dependency check failure: CPU%d has '%s' enabled but '%s' disabled. …  in check_cpufeature_deps()
180 				     x86_feature_name(d->feature, feature_buf),  in check_cpufeature_deps()