X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=kernel%2Fcpu.c;h=5644ec5582b93a600accc90c9211c618cd3735fb;hb=8426fb302c964894af15b5052241cf0bf45047bf;hp=6a374544d495f1ff7b7f5bfd03fd798e30144a7e;hpb=97d6e2b636c6e07b99965f3db9f20950d7de2ecc;p=mirror_ubuntu-bionic-kernel.git

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 6a374544d495..5644ec5582b9 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -527,18 +527,9 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen)
 		goto out_notify;
 	}
 
-	/*
-	 * Some architectures have to walk the irq descriptors to
-	 * setup the vector space for the cpu which comes online.
-	 * Prevent irq alloc/free across the bringup.
-	 */
-	irq_lock_sparse();
-
 	/* Arch-specific enabling code. */
 	ret = __cpu_up(cpu, idle);
 
-	irq_unlock_sparse();
-
 	if (ret != 0)
 		goto out_notify;
 	BUG_ON(!cpu_online(cpu));