diff options
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority-dc.c | 8 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority-sc.c | 8 |
2 files changed, 14 insertions, 2 deletions
diff --git a/arch/blackfin/mach-common/ints-priority-dc.c b/arch/blackfin/mach-common/ints-priority-dc.c index 2db3546..c2f05fa 100644 --- a/arch/blackfin/mach-common/ints-priority-dc.c +++ b/arch/blackfin/mach-common/ints-priority-dc.c @@ -52,7 +52,13 @@ * - */ -unsigned long irq_flags = 0; +/* Initialize this to an actual value to force it into the .data + * section so that we know it is properly initialized at entry into + * the kernel but before bss is initialized to zero (which is where + * it would live otherwise). The 0x1f magic represents the IRQs we + * cannot actually mask out in hardware. + */ +unsigned long irq_flags = 0x1f; /* The number of spurious interrupts */ atomic_t num_spurious; diff --git a/arch/blackfin/mach-common/ints-priority-sc.c b/arch/blackfin/mach-common/ints-priority-sc.c index e06fe96..7da5a0a 100644 --- a/arch/blackfin/mach-common/ints-priority-sc.c +++ b/arch/blackfin/mach-common/ints-priority-sc.c @@ -58,7 +58,13 @@ * - */ -unsigned long irq_flags = 0; +/* Initialize this to an actual value to force it into the .data + * section so that we know it is properly initialized at entry into + * the kernel but before bss is initialized to zero (which is where + * it would live otherwise). The 0x1f magic represents the IRQs we + * cannot actually mask out in hardware. + */ +unsigned long irq_flags = 0x1f; /* The number of spurious interrupts */ atomic_t num_spurious; |