linux-kernel - [PATCH] systemtap: fix up on_each

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Message-Id: <1216313476.5515.16.camel@localhost.localdomain>
Date:	Thu, 17 Jul 2008 11:51:16 -0500
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	systemtap@...rceware.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] systemtap: fix up on_each_cpu() for kernels 2.6.26+

In kernel 2.6.26, this patch

commit 15c8b6c1aaaf1c4edd67e2f02e4d8e1bd1a51c0d
Author: Jens Axboe <jens.axboe@...cle.com>
Date:   Fri May 9 09:39:44 2008 +0200

    on_each_cpu(): kill unused 'retry' parameter

means that runtime/time.c is now using the wrong calling conventions.
Fix this up and surround it by kernel versioning #ifdefs.

Signed-off-by: James Bottomley <James.Bottomley@...senPartnership.com>
---
 runtime/time.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/runtime/time.c b/runtime/time.c
index 8a0b6fa..fffdfe0 100644
--- a/runtime/time.c
+++ b/runtime/time.c
@@ -237,7 +237,12 @@ _stp_init_time(void)
 	    return -1;
     
     stp_timer_reregister = 1;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
     ret = on_each_cpu(__stp_init_time, NULL, 0, 1);
+#else
+    ret = on_each_cpu(__stp_init_time, NULL, 1);
+#endif
+
 
 #ifdef CONFIG_CPU_FREQ
     if (!ret && !__stp_constant_freq()) {
-- 
1.5.6



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