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yaml
---
r: 164668
b: refs/heads/master
c: 3a3b6ed
h: refs/heads/master
v: v3
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Dave Young authored and Linus Torvalds committed Sep 23, 2009
1 parent a20d4bc commit 9c69e67
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Showing 2 changed files with 6 additions and 8 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5ae87e79ecb5baa65e9cf48be874098fafad0668
refs/heads/master: 3a3b6ed2235f2f619889dd6096e24b6d93bf3339
12 changes: 5 additions & 7 deletions trunk/kernel/printk.c
Original file line number Diff line number Diff line change
Expand Up @@ -206,12 +206,11 @@ __setup("log_buf_len=", log_buf_len_setup);
#ifdef CONFIG_BOOT_PRINTK_DELAY

static unsigned int boot_delay; /* msecs delay after each printk during bootup */
static unsigned long long printk_delay_msec; /* per msec, based on boot_delay */
static unsigned long long loops_per_msec; /* based on boot_delay */

static int __init boot_delay_setup(char *str)
{
unsigned long lpj;
unsigned long long loops_per_msec;

lpj = preset_lpj ? preset_lpj : 1000000; /* some guess */
loops_per_msec = (unsigned long long)lpj / 1000 * HZ;
Expand All @@ -220,10 +219,9 @@ static int __init boot_delay_setup(char *str)
if (boot_delay > 10 * 1000)
boot_delay = 0;

printk_delay_msec = loops_per_msec;
printk(KERN_DEBUG "boot_delay: %u, preset_lpj: %ld, lpj: %lu, "
"HZ: %d, printk_delay_msec: %llu\n",
boot_delay, preset_lpj, lpj, HZ, printk_delay_msec);
pr_debug("boot_delay: %u, preset_lpj: %ld, lpj: %lu, "
"HZ: %d, loops_per_msec: %llu\n",
boot_delay, preset_lpj, lpj, HZ, loops_per_msec);
return 1;
}
__setup("boot_delay=", boot_delay_setup);
Expand All @@ -236,7 +234,7 @@ static void boot_delay_msec(void)
if (boot_delay == 0 || system_state != SYSTEM_BOOTING)
return;

k = (unsigned long long)printk_delay_msec * boot_delay;
k = (unsigned long long)loops_per_msec * boot_delay;

timeout = jiffies + msecs_to_jiffies(boot_delay);
while (k) {
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