svn commit: r364211 - stable/12/sys/compat/linprocfs

[Edward Tomasz Napierala]

Author: trasz
Date: Thu Aug 13 18:57:06 2020
New Revision: 364211
URL: https://svnweb.freebsd.org/changeset/base/364211

Log:
  MFC r362930:
  
  Add /proc/sys/kernel/tainted to linprocfs(5).  Helps LTP.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  stable/12/sys/compat/linprocfs/linprocfs.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/compat/linprocfs/linprocfs.c
==============================================================================
--- stable/12/sys/compat/linprocfs/linprocfs.c	Thu Aug 13 18:55:36 2020	(r364210)
+++ stable/12/sys/compat/linprocfs/linprocfs.c	Thu Aug 13 18:57:06 2020	(r364211)
@@ -1428,6 +1428,17 @@ linprocfs_dosem(PFS_FILL_ARGS)
 }
 
 /*
+ * Filler function for proc/sys/kernel/tainted
+ */
+static int
+linprocfs_dotainted(PFS_FILL_ARGS)
+{
+
+	sbuf_printf(sb, "0\n");
+	return (0);
+}
+
+/*
  * Filler function for proc/sys/vm/min_free_kbytes
  *
  * This mirrors the approach in illumos to return zero for reads. Effectively,
@@ -1828,6 +1839,8 @@ linprocfs_init(PFS_INIT_ARGS)
 	pfs_create_file(dir, "pid_max", &linprocfs_dopid_max,
 	    NULL, NULL, NULL, PFS_RD);
 	pfs_create_file(dir, "sem", &linprocfs_dosem,
+	    NULL, NULL, NULL, PFS_RD);
+	pfs_create_file(dir, "tainted", &linprocfs_dotainted,
 	    NULL, NULL, NULL, PFS_RD);
 
 	/* /proc/sys/kernel/random/... */