x86: pci-calgary_64.c: make a variable static

"debugging" is a horrible name for a global variable - thankfully it can
become static.

Also put it out of __read_mostly so that gcc no longer has to emit it
at all.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 6bf1f716909da5fddf6674adc4b0974f3fbd1ab6..21d7e0f8610cac1cf82bc68e32063f554d613f04 100644 (file)
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -183,7 +183,7 @@ static struct calgary_bus_info bus_info[MAX_PHB_BUS_NUM] = { { NULL, 0, 0 }, };
 
 /* enable this to stress test the chip's TCE cache */
 #ifdef CONFIG_IOMMU_DEBUG
-int debugging __read_mostly = 1;
+static int debugging = 1;
 
 static inline unsigned long verify_bit_range(unsigned long* bitmap,
        int expected, unsigned long start, unsigned long end)
@@ -202,7 +202,7 @@ static inline unsigned long verify_bit_range(unsigned long* bitmap,
        return ~0UL;
 }
 #else /* debugging is disabled */
-int debugging __read_mostly = 0;
+static int debugging;
 
 static inline unsigned long verify_bit_range(unsigned long* bitmap,
        int expected, unsigned long start, unsigned long end)