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Diffstat (limited to 'cpukit/score/src/percpu.c')
-rw-r--r--cpukit/score/src/percpu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cpukit/score/src/percpu.c b/cpukit/score/src/percpu.c
index 631e662d7e..b48e61c8c3 100644
--- a/cpukit/score/src/percpu.c
+++ b/cpukit/score/src/percpu.c
@@ -50,7 +50,7 @@
p->interrupt_stack_low = _Workspace_Allocate_or_fatal_error( size );
ptr = (uintptr_t) _Addresses_Add_offset( p->interrupt_stack_low, size );
- ptr &= ~CPU_STACK_ALIGNMENT;
+ ptr &= ~(CPU_STACK_ALIGNMENT - 1);
p->interrupt_stack_high = (void *)ptr;
p->state = RTEMS_BSP_SMP_CPU_INITIAL_STATE;
RTEMS_COMPILER_MEMORY_BARRIER();