From: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
Date: Fri, 17 Jan 2025 20:33:06 +0000 (-0500)
Subject: cpu: export lockdep_assert_cpus_held()
X-Git-Tag: v6.15-rc1~193^2~21
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7c0db8a4f59d84554a9edc7409bec2ef59063439;p=thirdparty%2Fkernel%2Flinux.git

cpu: export lockdep_assert_cpus_held()

If CONFIG_HYPERV=m, lockdep_assert_cpus_held() is undefined for HyperV.
So, export the function so that GPL drivers can use it more broadly.

Cc: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20250117203309.192072-1-hamzamahfooz@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250117203309.192072-1-hamzamahfooz@linux.microsoft.com>
---

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 07455d25329c9..ca56397c3b1da 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -526,6 +526,7 @@ void lockdep_assert_cpus_held(void)
 
 	percpu_rwsem_assert_held(&cpu_hotplug_lock);
 }
+EXPORT_SYMBOL_GPL(lockdep_assert_cpus_held);
 
 #ifdef CONFIG_LOCKDEP
 int lockdep_is_cpus_held(void)