Re: [RFC] [PATCH 00/13] Introduce task_pid api

From: Pavel Machek
Date: Wed Nov 16 2005 - 13:40:17 EST

> > Have you crosstool'd built this for most arch's? I could imagine
> > some piece of code having a local or other struct variable named 'pid'
> > that would be broken by a mistake in this change. This could be so
> > whether the change was done by a script, or by hand. Probably need
> > to test 'allyesconfig' too.
> Argh - in fact it appears I compiled and booted my 2.6.14 version,
> not this 2.6.15-rc1 version. Another patch is needed for this to
> compile and boot (on a power5 system, in addition to a patch pending
> for -mm to make rpaphp_pci compile). Sorry.

> @@ -2925,7 +2925,7 @@ void submit_bio(int rw, struct bio *bio)
> if (unlikely(block_dump)) {
> char b[BDEVNAME_SIZE];
> printk(KERN_DEBUG "%s(%d): %s block %Lu on %s\n",
> - current->comm, current->pid,
> + current->comm, task_pid(current),
> (rw & WRITE) ? "WRITE" : "READ",
> (unsigned long long)bio->bi_sector,
> bdevname(bio->bi_bdev,b));

...and now printk is close to useless, because uer can't know to which
pidspace that pid belongs. Oops.
64 bytes from icmp_seq=28 ttl=51 time=448769.1 ms

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at