On Fri, 27 Apr 2007, Pavel Machek wrote:
> 1. This should not be a config option
Ok.
On Fri, 27 Apr 2007, Pavel Machek wrote:
> 2. This does not work. pointers are nosave, but logbuf is not. Eh?
My bad, sorry. Thanks for the comments, Pavel!
Pekka
[PATCH] kernel: preserve boot-time printk output after resume
From: Nigel Cunningham <nigel@xxxxxxxxxxxxxxxxxx>
This makes the kernel preserve boot-time printk() output after resume.
Cc: Pavel Machek <pavel@xxxxxx>
Cc: Rafael J. Wysocki <rjw@xxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
---
kernel/printk.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
Index: 2.6/kernel/printk.c
===================================================================
--- 2.6.orig/kernel/printk.c 2007-04-27 15:39:26.000000000 +0300
+++ 2.6/kernel/printk.c 2007-04-27 15:49:25.000000000 +0300
@@ -92,9 +92,9 @@ static DEFINE_SPINLOCK(logbuf_lock);
* The indices into log_buf are not constrained to log_buf_len - they
* must be masked before subscripting
*/
-static unsigned long log_start; /* Index into log_buf: next char to be read by syslog() */
-static unsigned long con_start; /* Index into log_buf: next char to be sent to consoles */
-static unsigned long log_end; /* Index into log_buf: most-recently-written-char + 1 */
+static unsigned long __nosavedata log_start; /* Index into log_buf: next char to be read by syslog() */
+static unsigned long __nosavedata con_start; /* Index into log_buf: next char to be sent to consoles */
+static unsigned long __nosavedata log_end; /* Index into log_buf: most-recently-written-char + 1 */
/*
* Array of consoles built from command line options (console=)
@@ -117,10 +117,10 @@ static int console_may_schedule;
#ifdef CONFIG_PRINTK
-static char __log_buf[__LOG_BUF_LEN];
-static char *log_buf = __log_buf;
-static int log_buf_len = __LOG_BUF_LEN;
-static unsigned long logged_chars; /* Number of chars produced since last read+clear operation */
+static char __nosavedata __log_buf[__LOG_BUF_LEN];
+static char __nosavedata *log_buf = __log_buf;
+static int __nosavedata log_buf_len = __LOG_BUF_LEN;
+static unsigned long __nosavedata logged_chars; /* Number of chars produced since last read+clear operation */
static int __init log_buf_len_setup(char *str)
{
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