[tip: x86/apic] x86/apic: Remove unused max_physical_apicid

[tip-bot2 for Thomas Gleixner]

The following commit has been merged into the x86/apic branch of tip:

Commit-ID:     b3bc5dd99462218602145581a1907c4143e9d015
Gitweb:        https://git.kernel.org/tip/b3bc5dd99462218602145581a1907c4143e9d015
Author:        Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate:    Tue, 08 Aug 2023 15:03:43 -07:00
Committer:     Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
CommitterDate: Wed, 09 Aug 2023 11:58:17 -07:00

x86/apic: Remove unused max_physical_apicid

max_physical_apicid is assigned but never read.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Tested-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
Tested-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>
Tested-by: Juergen Gross <jgross@xxxxxxxx> # Xen PV (dom0 and unpriv. guest)
---
 arch/x86/kernel/apic/apic.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index ee64f8f..d6b5059 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -74,11 +74,6 @@ EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid);
 u8 boot_cpu_apic_version __ro_after_init;
 
 /*
- * The highest APIC ID seen during enumeration.
- */
-static unsigned int max_physical_apicid;
-
-/*
  * Bitmask of physically existing CPUs:
  */
 physid_mask_t phys_cpu_present_map;
@@ -2541,9 +2536,6 @@ int generic_processor_info(int apicid, int version)
 			boot_cpu_apic_version, cpu, version);
 	}
 
-	if (apicid > max_physical_apicid)
-		max_physical_apicid = apicid;
-
 #if defined(CONFIG_SMP) || defined(CONFIG_X86_64)
 	early_per_cpu(x86_cpu_to_apicid, cpu) = apicid;
 #endif