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SubjectRe: Linux v2.5.42
On Fri, 11 Oct 2002, Linus Torvalds wrote:

>...
> Summary of changes from v2.5.41 to v2.5.42
> ============================================
>...
> John Stultz <johnstul@us.ibm.com>:
>...
> o linux-2.5.41_timer-changes_A4 (2/3 - bulk move)
>...


This patch moved cpufreq stuff from time.c to timers/timer_tsc.c but not
the corresponding #include <linux/cpufreq.h> causing the following compile
error:

<-- snip -->

...
gcc -Wp,-MD,arch/i386/kernel/timers/.timer_tsc.o.d -D__KERNEL__
-Iinclude -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer
-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 -march=k6
-Iarch/i386/mach-generic -nostdinc -iwithprefix include -DKBUILD_BASENAME=timer_tsc -c -o
arch/i386/kernel/timers/timer_tsc.o arch/i386/kernel/timers/timer_tsc.c
arch/i386/kernel/timers/timer_tsc.c: In function `time_cpufreq_notifier':
arch/i386/kernel/timers/timer_tsc.c:181: `CPUFREQ_PRECHANGE' undeclared
...
arch/i386/kernel/timers/timer_tsc.c:183: `CPUFREQ_ALL_CPUS' undeclared
...
arch/i386/kernel/timers/timer_tsc.c:192: `CPUFREQ_POSTCHANGE' undeclared
...
arch/i386/kernel/timers/timer_tsc.c:265: `CPUFREQ_TRANSITION_NOTIFIER' undeclared
...
make[2]: *** [arch/i386/kernel/timers/timer_tsc.o] Error 1

<-- snip -->


The fix is simple:


--- linux-2.5.42-full/arch/i386/kernel/time.c.old 2002-10-12 07:43:55.000000000 +0200
+++ linux-2.5.42-full/arch/i386/kernel/time.c 2002-10-12 07:44:05.000000000 +0200
@@ -43,7 +43,6 @@
#include <linux/smp.h>
#include <linux/module.h>
#include <linux/device.h>
-#include <linux/cpufreq.h>

#include <asm/io.h>
#include <asm/smp.h>
--- linux-2.5.42-full/arch/i386/kernel/timers/timer_tsc.c.old 2002-10-12 07:40:26.000000000 +0200
+++ linux-2.5.42-full/arch/i386/kernel/timers/timer_tsc.c 2002-10-12 07:44:25.000000000 +0200
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include <linux/timex.h>
#include <linux/errno.h>
+#include <linux/cpufreq.h>

#include <asm/timer.h>
#include <asm/io.h>

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed


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