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

From: tip-bot2 for Thomas Gleixner
Date: Wed Aug 09 2023 - 15:14:20 EST


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