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Diffstat (limited to 'arch/powerpc/kernel/hw_breakpoint.c')
-rw-r--r--arch/powerpc/kernel/hw_breakpoint.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 53b9c1dfd7d9..4c1012b80d3b 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -33,6 +33,7 @@
#include <asm/hw_breakpoint.h>
#include <asm/processor.h>
#include <asm/sstep.h>
+#include <asm/debug.h>
#include <linux/uaccess.h>
/*
@@ -171,6 +172,8 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
* HW_BREAKPOINT_ALIGN by rounding off to the lower address, the
* 'symbolsize' should satisfy the check below.
*/
+ if (!ppc_breakpoint_available())
+ return -ENODEV;
length_max = 8; /* DABR */
if (cpu_has_feature(CPU_FTR_DAWR)) {
length_max = 512 ; /* 64 doublewords */