Re: [PATCH-RT] preempt.h: Fix implicit declaration of 'preempt_check_resched_rt'
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2012-03-13 19:24:15
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Thomas, Can you apply this patch (with the fixed "tested-by") and push out a new 3.2-rt? This bug is causing one of my "stable tests" to fail, and I wont push out a new stable test until it passes. But I also wont add a fix that is not in your tree. This means that 3.0-rt is being held back until this gets applied. Thanks, -- Steve On Thu, 2012-03-08 at 21:13 +0100, John Kacur wrote:
quoted hunk ↗ jump to hunk
When building a non-preempt kernel where CONFIG_PREEMPT_COUNT is not defined the following build break occurs. /home/jkacur/linux-rt/block/blk-softirq.c: In function ‘trigger_softirq’: /home/jkacur/linux-rt/block/blk-softirq.c:54: error: implicit declaration of function ‘preempt_check_resched_rt’ make[2]: *** [block/blk-softirq.o] Error 1 make[1]: *** [block/blk-softirq.o] Error 2 make: *** [sub-make] Error 2 This patch fixes the build error by adding a define to the !CONFIG_PREEMPT_COUNT section. Signed-off-by: Clark Williams <redacted> Signed-off-by: John Kacur <jkacur@redhat.com> --- include/linux/preempt.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)diff --git a/include/linux/preempt.h b/include/linux/preempt.h index fa40695..58d8982 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h@@ -107,6 +107,7 @@ do { \ #define preempt_disable_notrace() do { } while (0) #define preempt_enable_no_resched_notrace() do { } while (0) #define preempt_enable_notrace() do { } while (0) +#define preempt_check_resched_rt() do { } while (0) #endif /* CONFIG_PREEMPT_COUNT */
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