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 6bf1f71..21d7e0f 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -183,7 +183,7 @@
/* 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 @@
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)