diff options
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index a7d3b64ff3e..ff2a8b8ffa0 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -134,9 +134,6 @@ static inline void imcr_apic_to_pic(void) */ static int force_enable_local_apic __initdata; -/* Control whether x2APIC mode is enabled or not */ -static bool nox2apic __initdata; - /* * APIC command line parameters */ @@ -161,33 +158,6 @@ static __init int setup_apicpmtimer(char *s) __setup("apicpmtimer", setup_apicpmtimer); #endif -#ifdef CONFIG_X86_X2APIC -int x2apic_mode; -/* x2apic enabled before OS handover */ -int x2apic_preenabled; -static int x2apic_disabled; -static int __init setup_nox2apic(char *str) -{ - if (x2apic_enabled()) { - int apicid = native_apic_msr_read(APIC_ID); - - if (apicid >= 255) { - pr_warning("Apicid: %08x, cannot enforce nox2apic\n", - apicid); - return 0; - } - - pr_warning("x2apic already enabled. will disable it\n"); - } else - setup_clear_cpu_cap(X86_FEATURE_X2APIC); - - nox2apic = true; - - return 0; -} -early_param("nox2apic", setup_nox2apic); -#endif - unsigned long mp_lapic_addr; int disable_apic; /* Disable local APIC timer from the kernel commandline or via dmi quirk */ @@ -1504,7 +1474,35 @@ void __init bsp_end_local_APIC_setup(void) } +/* Control whether x2APIC mode is enabled or not */ +static bool nox2apic __initdata; + #ifdef CONFIG_X86_X2APIC +int x2apic_mode; +/* x2apic enabled before OS handover */ +int x2apic_preenabled; +static int x2apic_disabled; +static int __init setup_nox2apic(char *str) +{ + if (x2apic_enabled()) { + int apicid = native_apic_msr_read(APIC_ID); + + if (apicid >= 255) { + pr_warning("Apicid: %08x, cannot enforce nox2apic\n", + apicid); + return 0; + } + + pr_warning("x2apic already enabled. will disable it\n"); + } else + setup_clear_cpu_cap(X86_FEATURE_X2APIC); + + nox2apic = true; + + return 0; +} +early_param("nox2apic", setup_nox2apic); + /* * Need to disable xapic and x2apic at the same time and then enable xapic mode */ |