Re: mm snapshot broken-out-2007-01-26-00-36.tar.gz uploaded

Valdis.Kletnieks
2007-01-28T02:41:09Z

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On Sat, 27 Jan 2007 13:41:16 PST, Andrew Morton said:
> > > On 26/01/07, akpm@osdl.org <akpm@osdl.org> wrote:
> > >> The mm snapshot broken-out-2007-01-26-00-36.tar.gz has been uploaded to
> > >> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-01-26-00-36.tar.gz

> I have everything compiling now, mostly. The number of fixes which were
> needed was just extraordinary. I'm thinking about making changes...

Another one - I can't get this to build for x86_64. (Skipping over all the
already-mentioned build errors that others have already reported...)

First, I had to do some ad-crock hacking of Kconfig files to get kernel/timer.c
to build right, because otherwise it didn't include any of the defines in
include/kernel/clockchips.c so CLOCK_EVT_NOTIFY_RESUME wasn't defined (either
that, or a #ifdef for GENERIC_TIME had its #endif land in the wrong place?)

--- linux-2.6.20-rc6-mm1/arch/x86_64/Kconfig.dist 2007-01-26 14:30:53.000000000 -0500
+++ linux-2.6.20-rc6-mm1/arch/x86_64/Kconfig 2007-01-27 07:14:22.000000000 -0500
@@ -32,6 +32,14 @@ config GENERIC_TIME_VSYSCALL
bool
default y

+config GENERIC_CLOCKEVENTS
+ bool
+ default y
+
+config GENERIC_CLOCKEVENTS_BROADCAST
+ bool
+ default y
+
config ZONE_DMA32
bool
default y
@@ -126,6 +134,8 @@ source "init/Kconfig"

menu "Processor type and features"

+source "kernel/time/Kconfig"
+
choice
prompt "Subarchitecture Type"
default X86_PC

And even after that, I hit this:

CC kernel/time/clocksource.o
In file included from kernel/time/clocksource.c:31:
include/linux/tick.h:45: error: field sched_timer has incomplete type
make: *** [kernel/time/clocksource.o: Error 1

--- linux-2.6.20-rc6-mm1/kernel/time/clocksource.c.dist 2007-01-27 19:36:31.000000000 -0500
+++ linux-2.6.20-rc6-mm1/kernel/time/clocksource.c 2007-01-27 19:36:03.000000000 -0500
@@ -28,6 +28,7 @@
#include <linux/sysdev.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/hrtimer.h>
#include <linux/tick.h>

/* XXX - Would like a better way for initializing curr_clocksource */

Then we live long enough to hit this:

CC block/elevator.o
block/elevator.c: In function elv_insert:
block/elevator.c:611: error: unplug_it undeclared (first use in this function)

--- linux-2.6.20-rc6-mm1/block/elevator.c.dist 2007-01-26 14:30:36.000000000 -0500
+++ linux-2.6.20-rc6-mm1/block/elevator.c 2007-01-27 19:57:02.000000000 -0500
@@ -604,12 +604,6 @@ void elv_insert(request_queue_t *q, stru
*/
rq->cmd_flags |= REQ_SOFTBARRIER;

- /*
- * Most requeues happen because of a busy condition,
- * don't force unplug of the queue for that case.
- */
- unplug_it = 0;
-
if (q->ordseq == 0) {
list_add(&rq->queuelist, &q->queue_head);
break;

(How did *that* one manage to compile for anybody??!?)

After all that, I finally got a clean compile.... Maybe later I'll get brave
and actually try to boot it. :)

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