Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <20230717223224.444954484@linutronix.de>
From:   Thomas Gleixner <tglx@linutronix.de>
To:     LKML <linux-kernel@vger.kernel.org>
Cc:     x86@kernel.org, Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Cooper <andrew.cooper3@citrix.com>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Wei Liu <wei.liu@kernel.org>,
        Arjan van de Ven <arjan@linux.intel.com>,
        Juergen Gross <jgross@suse.com>
Subject: [patch 23/58] x86/apic: Mop up early_per_cpu() abuse
References: <20230717223049.327865981@linutronix.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Date:   Tue, 18 Jul 2023 01:15:10 +0200 (CEST)
Precedence: bulk

UV X2APIC uses the per CPU variable from:

  native_smp_prepare_cpus()
    uv_system_init()
      uv_system_init_hub()

which is long after the per CPU areas have been set up.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/apic/x2apic_uv_x.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -1843,7 +1843,7 @@ static void __init uv_system_init_hub(vo
 
 	/* Initialize per CPU info: */
 	for_each_possible_cpu(cpu) {
-		int apicid = early_per_cpu(x86_cpu_to_apicid, cpu);
+		int apicid = per_cpu(x86_cpu_to_apicid, cpu);
 		unsigned short bid;
 		unsigned short pnode;