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[S390] ftrace: add dynamic ftrace support

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Dynamic ftrace support for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2009-06-12 10:26:44 +02:00 • committed by Martin Schwidefsky
parent a2b53673fa
commit dfd9f7abc0
10 changed files with 281 additions and 34 deletions
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2
arch/s390/kernel/setup.c
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@ -42,6 +42,7 @@
#include <linux/ctype.h>
#include <linux/reboot.h>
#include <linux/topology.h>
#include <linux/ftrace.h>
#include <asm/ipl.h>
#include <asm/uaccess.h>
@ -442,6 +443,7 @@ setup_lowcore(void)
lc->steal_timer = S390_lowcore.steal_timer;
lc->last_update_timer = S390_lowcore.last_update_timer;
lc->last_update_clock = S390_lowcore.last_update_clock;
lc->ftrace_func = S390_lowcore.ftrace_func;
set_prefix((u32)(unsigned long) lc);
lowcore_ptr[0] = lc;
}