diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-08-08 15:03:46 -0700 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-08-09 11:58:19 -0700 |
| commit | 249ada2c821ff6819b5214d2f08d73aebde814eb (patch) | |
| tree | ae79098957f3fd71bbfefbf6b96fc8d139c2d020 /arch/x86/kernel/apic/apic.c | |
| parent | d63107fa882eadb59a040313510ef8511746efea (diff) | |
x86/apic: Remove the pointless APIC version check
This historical leftover is really uninteresting today. Whatever MPTABLE or
MADT delivers we only trust the hardware anyway.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index b7ffae46101da..32275ca6129f1 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2428,19 +2428,8 @@ static int allocate_logical_cpuid(int apicid) return nr_logical_cpuids++; } -static void cpu_update_apic(int cpu, int apicid, int version) +static void cpu_update_apic(int cpu, int apicid) { - if (version == 0x0) { - pr_warn("BIOS bug: APIC version is 0 for CPU %d/0x%x, fixing up to 0x10\n", - cpu, apicid); - version = 0x10; - } - - if (version != boot_cpu_apic_version) { - pr_warn("BIOS bug: APIC version mismatch, boot CPU: %x, CPU %d: version %x\n", - boot_cpu_apic_version, cpu, version); - } - #if defined(CONFIG_SMP) || defined(CONFIG_X86_64) early_per_cpu(x86_cpu_to_apicid, cpu) = apicid; #endif @@ -2460,10 +2449,10 @@ static void cpu_update_apic(int cpu, int apicid, int version) static __init void cpu_set_boot_apic(void) { cpuid_to_apicid[0] = boot_cpu_physical_apicid; - cpu_update_apic(0, boot_cpu_physical_apicid, boot_cpu_apic_version); + cpu_update_apic(0, boot_cpu_physical_apicid); } -int generic_processor_info(int apicid, int version) +int generic_processor_info(int apicid) { int cpu, max = nr_cpu_ids; @@ -2500,7 +2489,7 @@ int generic_processor_info(int apicid, int version) return -EINVAL; } - cpu_update_apic(cpu, apicid, version); + cpu_update_apic(cpu, apicid); return cpu; } |