From b170204ddb7844ffff62d2d537b20c0eeb97725e Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 27 May 2009 21:56:54 +0200 Subject: [PATCH] x86, mce: drop BKL in mce_open BKL is not needed for anything in mce_open because it has an own spinlock. Remove it. [ Impact: cleanup ] Signed-off-by: Andi Kleen Signed-off-by: Hidetoshi Seto Signed-off-by: H. Peter Anvin --- arch/x86/kernel/cpu/mcheck/mce.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 18d505d..8ab2836 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -791,12 +790,10 @@ static int open_exclu; /* already open exclusive? */ static int mce_open(struct inode *inode, struct file *file) { - lock_kernel(); spin_lock(&mce_state_lock); if (open_exclu || (open_count && (file->f_flags & O_EXCL))) { spin_unlock(&mce_state_lock); - unlock_kernel(); return -EBUSY; } @@ -806,7 +803,6 @@ static int mce_open(struct inode *inode, struct file *file) open_count++; spin_unlock(&mce_state_lock); - unlock_kernel(); return nonseekable_open(inode, file); } -- 1.8.2.3