x86/cpu/centaur: Add Centaur family >=7 CPUs initialization support (33b4711d) · Commits · 戴 / test

Add Centaur family >=7 CPUs specific initialization support. Signed-off-by:

arch/x86/kernel/cpu/centaur.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -65,6 +65,9 @@ static void init_c3(struct cpuinfo_x86 *c)
		c->x86_cache_alignment = c->x86_clflush_size * 2;
		set_cpu_cap(c, X86_FEATURE_REP_GOOD);
		}

		if (c->x86 >= 7)
		set_cpu_cap(c, X86_FEATURE_REP_GOOD);
		}

		enum {
		@@ -95,7 +98,8 @@ static void early_init_centaur(struct cpuinfo_x86 *c)
		if (c->x86 == 5)
		set_cpu_cap(c, X86_FEATURE_CENTAUR_MCR);
		#endif
		if (c->x86 == 6 && c->x86_model >= 0xf)
		if ((c->x86 == 6 && c->x86_model >= 0xf) \|\|
		(c->x86 >= 7))
		set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);

		#ifdef CONFIG_X86_64
		@@ -204,7 +208,7 @@ static void init_centaur(struct cpuinfo_x86 *c)
		sprintf(c->x86_model_id, "WinChip %s", name);
		}
		#endif
		if (c->x86 == 6)
		if (c->x86 == 6 \|\| c->x86 >= 7)
		init_c3(c);
		#ifdef CONFIG_X86_64
		set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);