[229] in linux-scsi channel archive
Re: kernel enhancements
daemon@ATHENA.MIT.EDU (Russell Nelson)
Mon Jun 5 10:44:26 1995
Date: Mon, 5 Jun 95 09:23 EDT
From: nelson@crynwr.com (Russell Nelson)
To: jduersto@kendall.mdcc.edu
CC: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
In-reply-to: <199506050525.BAA01208@rivendell.kendall.mdcc.edu> (jduersto@kendall.mdcc.edu)
From: jduersto@kendall.mdcc.edu
Date: Mon, 5 Jun 1995 01:14:01 +0000
... identify which kernel options were included, and which were
not. ... This information then could be stored as a file in the
/proc file-system (/proc/kernel-options maybe?).
That's what I did in my /proc/config patch, posted to linux-kernel May
10. It's only 2K -- I'll repost it.
--- Makefile.orig Tue Mar 21 23:11:10 1995
+++ Makefile Tue May 9 17:31:03 1995
@@ -166,6 +166,7 @@
fi >> include/linux/version.h
@echo \#define LINUX_COMPILER \"`$(HOSTCC) -v 2>&1 | tail -1`\" >> include/linux/version.h
@echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> include/linux/version.h
+ @echo \#define LINUX_CONFIG \"`sed -e /^#/d -e /^$$/d -e s/^CONFIG_// -e s/=y$$// <.config`\" >> include/linux/version.h
init/version.o: init/version.c include/linux/version.h
$(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c
--- proc_fs.h.orig Tue Mar 21 22:59:24 1995
+++ proc_fs.h Tue May 9 17:37:49 1995
@@ -14,6 +14,7 @@
PROC_MEMINFO,
PROC_KMSG,
PROC_VERSION,
+ PROC_CONFIG,
PROC_CPUINFO,
PROC_PCI,
PROC_SELF, /* will change inode # */
--- fs/proc/root.c.orig Tue May 9 17:37:18 1995
+++ fs/proc/root.c Tue May 9 23:42:12 1995
@@ -59,6 +59,7 @@
{ PROC_MEMINFO, 7, "meminfo" },
{ PROC_KMSG, 4, "kmsg" },
{ PROC_VERSION, 7, "version" },
+ { PROC_CONFIG, 6, "config" },
#ifdef CONFIG_PCI
{ PROC_PCI, 3, "pci" },
#endif
--- fs/proc/array.c.orig Tue Mar 21 23:06:22 1995
+++ fs/proc/array.c Tue May 9 17:35:55 1995
@@ -273,4 +273,12 @@
return strlen(buffer);
}
+static int get_config(char * buffer)
+{
+ extern char *linux_config;
+
+ strcpy(buffer, linux_config);
+ return strlen(buffer);
+}
+
static int get_cpuinfo(char * buffer)
{
@@ -775,6 +783,9 @@
case PROC_VERSION:
return get_version(page);
+
+ case PROC_CONFIG:
+ return get_config(page);
#ifdef CONFIG_DEBUG_MALLOC
case PROC_MALLOC:
--- init/version.c.orig Tue May 9 17:32:36 1995
+++ init/version.c Tue May 9 23:50:21 1995
@@ -18,3 +18,5 @@
char *linux_banner =
"Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@"
LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n";
+
+char *linux_config = LINUX_CONFIG "\n";
