4 files changed, 1 insertions, 24 deletions
diff --git a/tools/perf/arch/mips/Build b/tools/perf/arch/mips/Build
deleted file mode 100644
index e63eabc2c8f4..000000000000
--- a/tools/perf/arch/mips/Build
+++ /dev/null
@@ -1 +0,0 @@
-perf-util-y += util/
diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
index 630aab9e5425..83dc93a0712f 100644
--- a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
+++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
@@ -386,3 +386,4 @@
 469	n64	file_setattr			sys_file_setattr
 470	n64	listns				sys_listns
 471	n64	rseq_slice_yield		sys_rseq_slice_yield
+472	n64	fchroot				sys_fchroot
diff --git a/tools/perf/arch/mips/util/Build b/tools/perf/arch/mips/util/Build
deleted file mode 100644
index 818b808a8247..000000000000
--- a/tools/perf/arch/mips/util/Build
+++ /dev/null
@@ -1 +0,0 @@
-perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
diff --git a/tools/perf/arch/mips/util/unwind-libunwind.c b/tools/perf/arch/mips/util/unwind-libunwind.c
deleted file mode 100644
index 0d8c99c29da6..000000000000
--- a/tools/perf/arch/mips/util/unwind-libunwind.c
+++ /dev/null
@@ -1,22 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-#include <errno.h>
-#include <libunwind.h>
-#include "perf_regs.h"
-#include "../../util/unwind.h"
-#include "util/debug.h"
-
-int libunwind__arch_reg_id(int regnum)
-{
-	switch (regnum) {
-	case UNW_MIPS_R1 ... UNW_MIPS_R25:
-		return regnum - UNW_MIPS_R1 + PERF_REG_MIPS_R1;
-	case UNW_MIPS_R28 ... UNW_MIPS_R31:
-		return regnum - UNW_MIPS_R28 + PERF_REG_MIPS_R28;
-	case UNW_MIPS_PC:
-		return PERF_REG_MIPS_PC;
-	default:
-		pr_err("unwind: invalid reg id %d\n", regnum);
-		return -EINVAL;
-	}
-}