diff options
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/perf_regs.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index e868c72a7938..baf5afb7e6a0 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1386,6 +1386,7 @@ user_backtrace(struct frame_tail __user *tail, return buftail.fp; } +#ifdef CONFIG_COMPAT /* * The registers we're interested in are at the end of the variable * length saved register structure. The fp points at the end of this @@ -1430,6 +1431,7 @@ compat_user_backtrace(struct compat_frame_tail __user *tail, return (struct compat_frame_tail __user *)compat_ptr(buftail.fp) - 1; } +#endif /* CONFIG_COMPAT */ void perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) @@ -1451,6 +1453,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry, tail && !((unsigned long)tail & 0xf)) tail = user_backtrace(tail, entry); } else { +#ifdef CONFIG_COMPAT /* AARCH32 compat mode */ struct compat_frame_tail __user *tail; @@ -1459,6 +1462,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry, while ((entry->nr < PERF_MAX_STACK_DEPTH) && tail && !((unsigned long)tail & 0x3)) tail = compat_user_backtrace(tail, entry); +#endif } } diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c index f2d6f0a36d63..422ebd63b619 100644 --- a/arch/arm64/kernel/perf_regs.c +++ b/arch/arm64/kernel/perf_regs.c @@ -2,6 +2,8 @@ #include <linux/kernel.h> #include <linux/perf_event.h> #include <linux/bug.h> + +#include <asm/compat.h> #include <asm/perf_regs.h> #include <asm/ptrace.h> |