mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-10 11:40:19 -04:00
Code Issues Packages Projects Releases Wiki Activity

x86/apic: Nuke another processor check

Browse Source 
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)
This commit is contained in:
Thomas Gleixner
2023-08-08 15:03:50 -07:00
committed by Dave Hansen
parent e8122513ff
commit 55cc40d3df
1 changed files with 0 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
arch/x86/kernel/smpboot.c
View File

@@ -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();
}