Commit-ID: 170a0bc3808909d8ea0f3f9c725c6565efe7f9c4
Gitweb: http://git.kernel.org/tip/170a0bc3808909d8ea0f3f9c725c6565efe7f9c4
Author: John Kacur <jkacur@xxxxxxxxxx>
AuthorDate: Wed, 7 Oct 2009 20:19:32 +0200
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Wed, 7 Oct 2009 15:41:21 -0700
x86, cpuid: Remove the bkl from cpuid_open()
Most of the variables are local to the function. It IS possible that
for struct cpuinfo_x86 *c c could point to the same area. However,
this is used read only.
Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
LKML-Reference: <alpine.LFD.2.00.0910072016190.15183@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
arch/x86/kernel/cpuid.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index b07af88..ef69284 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -118,8 +118,6 @@ static int cpuid_open(struct inode *inode, struct file *file)
struct cpuinfo_x86 *c;
int ret = 0;
- lock_kernel();
-
cpu = iminor(file->f_path.dentry->d_inode);
if (cpu >= nr_cpu_ids || !cpu_online(cpu)) {
ret = -ENXIO; /* No such CPU */
@@ -129,7 +127,6 @@ static int cpuid_open(struct inode *inode, struct file *file)
if (c->cpuid_level < 0)
ret = -EIO; /* CPUID not supported */
out:
- unlock_kernel();
return ret;
}
--
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