Re: [PATCH 12/14] fs/binfmt_aout.c: Use time_* macros

From: S.ÃaÄlar Onur
Date: Thu Feb 14 2008 - 20:22:11 EST


14 Åub 2008 Per tarihinde, Geert Uytterhoeven ÅunlarÄ yazmÄÅtÄ:
> To me these constructs look like good candidates for replacement by
> printk_ratelimit()?
>
> Gr{oetje,eeting}s,

What about something like following?


Use printk_ratelimit() instead of jiffies based arithmetic, suggested by Geert Uytterhoeven

Signed-off-by: S.ÃaÄlar Onur <caglar@xxxxxxxxxxxxx>

fs/binfmt_aout.c | 12 +++---------
1 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index a1bb224..ba4cddb 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -372,21 +372,17 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)

flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data);
} else {
- static unsigned long error_time, error_time2;
if ((ex.a_text & 0xfff || ex.a_data & 0xfff) &&
- (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ)
+ (N_MAGIC(ex) != NMAGIC) && printk_ratelimit())
{
printk(KERN_NOTICE "executable not page aligned\n");
- error_time2 = jiffies;
}

- if ((fd_offset & ~PAGE_MASK) != 0 &&
- (jiffies-error_time) > 5*HZ)
+ if ((fd_offset & ~PAGE_MASK) != 0 && printk_ratelimit())
{
printk(KERN_WARNING
"fd_offset is not page aligned. Please convert program: %s\n",
bprm->file->f_path.dentry->d_name.name);
- error_time = jiffies;
}

if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) {
@@ -495,15 +491,13 @@ static int load_aout_library(struct file *file)
start_addr = ex.a_entry & 0xfffff000;

if ((N_TXTOFF(ex) & ~PAGE_MASK) != 0) {
- static unsigned long error_time;
loff_t pos = N_TXTOFF(ex);

- if ((jiffies-error_time) > 5*HZ)
+ if (printk_ratelimit())
{
printk(KERN_WARNING
"N_TXTOFF is not page aligned. Please convert library: %s\n",
file->f_path.dentry->d_name.name);
- error_time = jiffies;
}
down_write(&current->mm->mmap_sem);
do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);

Cheers
--
S.ÃaÄlar Onur <caglar@xxxxxxxxxxxxx>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
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