summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/cpu
diff options
context:
space:
mode:
authorChen Yucong <slaoub@gmail.com>2014-06-05 01:10:43 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-05 01:54:11 +0200
commit65eb71823b01051ca6e256e9cc8259141a849052 (patch)
tree566646f6b57fad6715bbe89a6ddd670ece87968d /arch/x86/kernel/cpu
parentmm, compaction: properly signal and act upon lock and need_sched() contention (diff)
downloadlinux-65eb71823b01051ca6e256e9cc8259141a849052.tar.xz
linux-65eb71823b01051ca6e256e9cc8259141a849052.zip
hwpoison: remove unused global variable in do_machine_check()
Remove an unused global variable mce_entry and relative operations in do_machine_check(). Signed-off-by: Chen Yucong <slaoub@gmail.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 6cc800381d14..bb92f38153b2 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -60,8 +60,6 @@ static DEFINE_MUTEX(mce_chrdev_read_mutex);
#define SPINUNIT 100 /* 100ns */
-atomic_t mce_entry;
-
DEFINE_PER_CPU(unsigned, mce_exception_count);
struct mce_bank *mce_banks __read_mostly;
@@ -1040,8 +1038,6 @@ void do_machine_check(struct pt_regs *regs, long error_code)
DECLARE_BITMAP(valid_banks, MAX_NR_BANKS);
char *msg = "Unknown";
- atomic_inc(&mce_entry);
-
this_cpu_inc(mce_exception_count);
if (!cfg->banks)
@@ -1171,7 +1167,6 @@ void do_machine_check(struct pt_regs *regs, long error_code)
mce_report_event(regs);
mce_wrmsrl(MSR_IA32_MCG_STATUS, 0);
out:
- atomic_dec(&mce_entry);
sync_core();
}
EXPORT_SYMBOL_GPL(do_machine_check);