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# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1269253782 0
# Node ID ab5f65e8137cb78afb96036522da5a7d1e00e52b
# Parent 4d3834df04831658eee8f2b7398443e24d4eb2fe
No cpu_add_remove_lock in do_boot_cpu.

The do_boot_cpu() will be called when system booting or CPU
online. When system booting, we don't need hold this lock. When system
online, the lock is held already by cpu_up.

Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
---
xen/arch/x86/smpboot.c | 2 --
1 files changed, 2 deletions(-)

diff -r 4d3834df0483 -r ab5f65e8137c xen/arch/x86/smpboot.c
--- a/xen/arch/x86/smpboot.c Mon Mar 22 10:29:13 2010 +0000
+++ b/xen/arch/x86/smpboot.c Mon Mar 22 10:29:42 2010 +0000
@@ -985,10 +985,8 @@ static int __devinit do_boot_cpu(int api
cpucount--;

/* Mark the CPU as non-present */
- spin_lock(&cpu_add_remove_lock);
x86_cpu_to_apicid[cpu] = BAD_APICID;
cpu_clear(cpu, cpu_present_map);
- spin_unlock(&cpu_add_remove_lock);
} else {
}


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