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-rw-r--r--arch/x86/kernel/unwind_orc.c8
-rwxr-xr-xscripts/link-vmlinux.sh5
2 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
index 332ae6530fa8..abdf8911a1fb 100644
--- a/arch/x86/kernel/unwind_orc.c
+++ b/arch/x86/kernel/unwind_orc.c
@@ -273,9 +273,11 @@ void __init unwind_init(void)
return;
}
- /* Sort the .orc_unwind and .orc_unwind_ip tables: */
- sort(__start_orc_unwind_ip, num_entries, sizeof(int), orc_sort_cmp,
- orc_sort_swap);
+ /*
+ * Note, the orc_unwind and orc_unwind_ip tables were already
+ * sorted at build time via the 'sorttable' tool.
+ * It's ready for binary search straight away, no need to sort it.
+ */
/* Initialize the fast lookup table: */
lookup_num_blocks = orc_lookup_end - orc_lookup;
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index a81aa76bbe18..c287ad9b3a67 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -306,7 +306,10 @@ vmlinux_link vmlinux "${kallsymso}" ${btf_vmlinux_bin_o}
if [ -n "${CONFIG_BUILDTIME_TABLE_SORT}" ]; then
info SORTTAB vmlinux
- sorttable vmlinux
+ if ! sorttable vmlinux; then
+ echo >&2 Failed to sort kernel tables
+ exit 1
+ fi
fi
info SYSMAP System.map