Re: [PATCH] x86: fix IO APIC resource allocation error message

From: Cyrill Gorcunov
Date: Fri Mar 20 2009 - 16:36:48 EST


[Bartlomiej Zolnierkiewicz - Fri, Mar 20, 2009 at 09:27:14PM +0100]
...
| > | > Now we would have 'err' here and get out only on conflicting resource.
| > | > Did I miss something?
| > |
| > | nr_ioapics > 0 && r == NULL ?
| > |
| >
| > This case happens when alloc_bootmem fails but we already panic'ed!
| >
| > Here is what I mean
| >
| > From ioapic_setup_resources()
| >
| > if (nr_ioapics <= 0)
| > return NULL;
| >
| > mem = alloc_bootmem(n); <- we panic here anyway
|
| Seems like the following check is superfluous then:
|
| if (mem != NULL) {

Yes I believe

|
| > ...
| > ioapic_resources = res;
|
| In either case I don't think we that failing all resource insertions
| (for all IO APICs) if only one has failed is a desirable behavior...

Indeed, which is even better

|
| Thanks,
| Bart
|

Your patch is already merged, so all is fine -- sorry for noise.

- Cyrill -
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/