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Commit 65eb7182 authored by Chen Yucong's avatar Chen Yucong Committed by Linus Torvalds
Browse files

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: default avatarChen 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent be976572

arch/x86/include/asm/mce.h

+0 −2
Original line number Original line Diff line number Diff line
@@ -176,8 +176,6 @@ int mce_available(struct cpuinfo_x86 *c); 
DECLARE_PER_CPU(unsigned, mce_exception_count);

DECLARE_PER_CPU(unsigned, mce_exception_count);

DECLARE_PER_CPU(unsigned, mce_poll_count);

DECLARE_PER_CPU(unsigned, mce_poll_count);





extern atomic_t mce_entry;



typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);

typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);

DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);

DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);

arch/x86/kernel/cpu/mcheck/mce.c

+0 −5
Original line number Original line Diff line number Diff line
@@ -60,8 +60,6 @@ static DEFINE_MUTEX(mce_chrdev_read_mutex); 




#define SPINUNIT 100	/* 100ns */

#define SPINUNIT 100	/* 100ns */





atomic_t mce_entry;



DEFINE_PER_CPU(unsigned, mce_exception_count);

DEFINE_PER_CPU(unsigned, mce_exception_count);





struct mce_bank *mce_banks __read_mostly;

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);

	DECLARE_BITMAP(valid_banks, MAX_NR_BANKS);

	char *msg = "Unknown";

	char *msg = "Unknown";





	atomic_inc(&mce_entry);



	this_cpu_inc(mce_exception_count);

	this_cpu_inc(mce_exception_count);





	if (!cfg->banks)

	if (!cfg->banks)
@@ -1171,7 +1167,6 @@ void do_machine_check(struct pt_regs *regs, long error_code) 
		mce_report_event(regs);

		mce_report_event(regs);

	mce_wrmsrl(MSR_IA32_MCG_STATUS, 0);

	mce_wrmsrl(MSR_IA32_MCG_STATUS, 0);

out:

out:

	atomic_dec(&mce_entry);

	sync_core();

	sync_core();

}

}

EXPORT_SYMBOL_GPL(do_machine_check);

EXPORT_SYMBOL_GPL(do_machine_check);