[PATCH v2 01/12] arch: Export cpu_logical_map to modules

From: Florian Fainelli <f.fainelli@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Russell King <linux@armlinux.org.uk>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM
	BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Ard Biesheuvel <ardb@kernel.org>, Mike Rapoport <rppt@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Arnd Bergmann <arnd@arndb.de>, Guenter Roeck <linux@roeck-us.net>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-arm-kernel@lists.infradead.org (moderated list:ARM PORT),
	linux-sh@vger.kernel.org (open list:SUPERH),
	linux-mips@vger.kernel.org (open list:BROADCOM BMIPS MIPS
	ARCHITECTURE),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE)
Subject: [PATCH v2 01/12] arch: Export cpu_logical_map to modules
Date: Mon, 27 Sep 2021 19:27:04 -0700	[thread overview]
Message-ID: <20210928022715.369160-2-f.fainelli@gmail.com> (raw)
In-Reply-To: <20210928022715.369160-1-f.fainelli@gmail.com>

In order to allow drivers/irqchip/irq-bcm7038-l1.c to be built as a
module and usable in GKI, export cpu_logical_map or __cpu_logical_map
towards the modules. This follows what MIPS has been doing since
2dc2ae344e0e ("MIPS: Export __cpu_number_map and __cpu_logical_map.")

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/kernel/setup.c   | 1 +
 arch/arm64/kernel/setup.c | 1 +
 arch/sh/kernel/smp.c      | 1 +
 3 files changed, 3 insertions(+)

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 284a80c0b6e1..abd5c999bdb2 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -585,6 +585,7 @@ void notrace cpu_init(void)
 }
 
 u32 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = MPIDR_INVALID };
+EXPORT_SYMBOL(__cpu_logical_map);
 
 void __init smp_setup_processor_id(void)
 {
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index be5f85b0a24d..d8f796ae13c4 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -290,6 +290,7 @@ u64 cpu_logical_map(unsigned int cpu)
 {
 	return __cpu_logical_map[cpu];
 }
+EXPORT_SYMBOL(cpu_logical_map);
 
 void __init __no_sanitize_address setup_arch(char **cmdline_p)
 {
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 65924d9ec245..8f16cfaad238 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -30,6 +30,7 @@
 
 int __cpu_number_map[NR_CPUS];		/* Map physical to logical */
 int __cpu_logical_map[NR_CPUS];		/* Map logical to physical */
+EXPORT_SYMBOL(__cpu_logical_map);
 
 struct plat_smp_ops *mp_ops = NULL;
 
-- 
2.25.1

