The patch titled
dmi: log system, BIOS, and board information
has been added to the -mm tree. Its filename is
dmi-log-system-bios-and-board-information.patch
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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: dmi: log system, BIOS, and board information
From: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Put basic system information in the dmesg log. There are lots of dmesg
logs on the web, and it would be useful if they contained this information
for debugging platform problems.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/dmi_scan.c | 35 +++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff -puN drivers/firmware/dmi_scan.c~dmi-log-system-bios-and-board-information drivers/firmware/dmi_scan.c
--- a/drivers/firmware/dmi_scan.c~dmi-log-system-bios-and-board-information
+++ a/drivers/firmware/dmi_scan.c
@@ -2,6 +2,7 @@
#include <linux/string.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/ctype.h>
#include <linux/dmi.h>
#include <linux/efi.h>
#include <linux/bootmem.h>
@@ -361,6 +362,36 @@ static void __init dmi_decode(const stru
}
}
+static const char * __init dmi_printable_system_info(int field)
+{
+ const char *info, *p;
+
+ info = dmi_get_system_info(field);
+ if (!info)
+ return NULL;
+
+ for (p = info; *p; p++)
+ if (!isprint(*p))
+ return "<...>";
+
+ return info;
+}
+
+static void __init dmi_dump_ids(void)
+{
+ const char *board;
+
+ printk(KERN_DEBUG "DMI: system: %s %s",
+ dmi_printable_system_info(DMI_SYS_VENDOR),
+ dmi_printable_system_info(DMI_PRODUCT_NAME));
+ board = dmi_printable_system_info(DMI_BOARD_NAME);
+ if (board)
+ printk(KERN_CONT " (%s board)", board);
+ printk(KERN_CONT ", BIOS: %s %s\n",
+ dmi_printable_system_info(DMI_BIOS_VERSION),
+ dmi_printable_system_info(DMI_BIOS_DATE));
+}
+
static int __init dmi_present(const char __iomem *p)
{
u8 buf[15];
@@ -381,8 +412,10 @@ static int __init dmi_present(const char
buf[14] >> 4, buf[14] & 0xF);
else
printk(KERN_INFO "DMI present.\n");
- if (dmi_walk_early(dmi_decode) == 0)
+ if (dmi_walk_early(dmi_decode) == 0) {
+ dmi_dump_ids();
return 0;
+ }
}
return 1;
}
_
Patches currently in -mm which might be from bjorn.helgaas@xxxxxx are
linux-next.patch
dmi-log-system-bios-and-board-information.patch
kernel-resourcec-handle-reinsertion-of-an-already-inserted-resource.patch
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