linux-kernel - [patch V3 26/40] x86/cpu: Move __max_die_per

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Date:   Wed,  2 Aug 2023 12:21:38 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Tom Lendacky <thomas.lendacky@....com>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Huang Rui <ray.huang@....com>, Juergen Gross <jgross@...e.com>,
        Dimitri Sivanich <dimitri.sivanich@....com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>
Subject: [patch V3 26/40] x86/cpu: Move __max_die_per_package to common.c

In preparation of a complete replacement for the topology leaf 0xb/0x1f
evaluation, move __max_die_per_package into the common code.

Will be removed once everything is converted over.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/cpu/common.c   |    3 +++
 arch/x86/kernel/cpu/topology.c |    3 ---
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -75,6 +75,9 @@ u32 elf_hwcap2 __read_mostly;
 int smp_num_siblings = 1;
 EXPORT_SYMBOL(smp_num_siblings);
 
+unsigned int __max_die_per_package __read_mostly = 1;
+EXPORT_SYMBOL(__max_die_per_package);
+
 static struct ppin_info {
 	int	feature;
 	int	msr_ppin_ctl;
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -25,9 +25,6 @@
 #define BITS_SHIFT_NEXT_LEVEL(eax)	((eax) & 0x1f)
 #define LEVEL_MAX_SIBLINGS(ebx)		((ebx) & 0xffff)
 
-unsigned int __max_die_per_package __read_mostly = 1;
-EXPORT_SYMBOL(__max_die_per_package);
-
 #ifdef CONFIG_SMP
 /*
  * Check if given CPUID extended topology "leaf" is implemented