From 8da00a514e699e4fa788109cf36f3b02168b39d7 Mon Sep 17 00:00:00 2001
From: Dmitry Chagin <dchagin@FreeBSD.org>
Date: Wed, 29 Jun 2022 10:34:04 +0300
Subject: [PATCH] linprocfs: Decode constant_tsc CPU feature

Differential revision:	https://reviews.freebsd.org/D35554
MFC after:		2 weeks
---
 sys/compat/linprocfs/linprocfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
index 93b5af04e670..e1796a359ce0 100644
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -349,6 +349,8 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
 			    cpu_stdext_feature_names[j][0] != '\0')
 				sbuf_printf(sb, " %s",
 				    cpu_stdext_feature_names[j]);
+		if (tsc_is_invariant)
+			sbuf_cat(sb, " constant_tsc");
 		sbuf_cat(sb, "\n");
 		sbuf_printf(sb,
 		    "bugs\t\t: %s\n"