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| author |  Thomas Gleixner <tglx@linutronix.de>
| 2023-08-08 15:03:50 -0700 |
|---|---|---|
| committer |  Dave Hansen <dave.hansen@linux.intel.com>
| 2023-08-09 11:58:22 -0700 |
| commit | 55cc40d3df3c5c49f3a72e451bb710ec9e398ddc (patch) | |
| tree | f34378b9ac995c1d68d6a3cf106d82417e7e169c /arch/x86/kernel/smpboot.c | |
| parent | x86/apic: Sanitize num_processors handling (diff) | |
| download | linux-55cc40d3df3c5c49f3a72e451bb710ec9e398ddc.tar.gz linux-55cc40d3df3c5c49f3a72e451bb710ec9e398ddc.tar.bz2 linux-55cc40d3df3c5c49f3a72e451bb710ec9e398ddc.zip | |
x86/apic: Nuke another processor check
The boot CPUs local APIC is now always registered, so there is no point to
have another unreadable validatation for it.
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/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index fc2173b7dc89..da795f743542 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1181,23 +1181,6 @@ static void __init smp_sanity_check(void) set_nr_cpu_ids(8); } #endif - - if (!physid_isset(read_apic_id(), phys_cpu_present_map)) { - pr_warn("weird, boot CPU (#%d) not listed by the BIOS\n", - read_apic_id()); - - physid_set(read_apic_id(), phys_cpu_present_map); - } - - /* - * Should not be necessary because the MP table should list the boot - * CPU too, but we do it for the sake of robustness anyway. - */ - if (!apic->check_phys_apicid_present(boot_cpu_physical_apicid)) { - pr_notice("weird, boot CPU (#%d) not listed by the BIOS\n", - boot_cpu_physical_apicid); - physid_set(read_apic_id(), phys_cpu_present_map); - } preempt_enable(); } |