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| author | Frank Ch. Eigler <fche@elastic.org> | 2008-08-22 12:10:17 -0400 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@elastic.org> | 2008-08-22 12:10:17 -0400 |
| commit | c16d425a5dd60fd86efb76a429b65f87dfb5e44a (patch) | |
| tree | 247004451d6e300e002609c0da8be7134ab60121 /runtime/task_finder_vma.c | |
| parent | 8d22c6ad7250192dc526b2d9ca88b69901793e7b (diff) | |
| download | systemtap-steved-c16d425a5dd60fd86efb76a429b65f87dfb5e44a.tar.gz systemtap-steved-c16d425a5dd60fd86efb76a429b65f87dfb5e44a.tar.xz systemtap-steved-c16d425a5dd60fd86efb76a429b65f87dfb5e44a.zip | |
pr4225: fix shared library address range checks; make more task_finder_vma tracing conditional on DEBUG_TASK_FINDER_VMA
Diffstat (limited to 'runtime/task_finder_vma.c')
| -rw-r--r-- | runtime/task_finder_vma.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/runtime/task_finder_vma.c b/runtime/task_finder_vma.c index 9d43e36c..c06b3db0 100644 --- a/runtime/task_finder_vma.c +++ b/runtime/task_finder_vma.c @@ -133,11 +133,13 @@ __stp_tf_add_vma(struct task_struct *tsk, unsigned long addr, hlist_for_each_entry(entry, node, head, hlist) { if (tsk->pid == entry->pid && addr == entry->addr) { - printk(KERN_NOTICE - "vma (pid: %d, vm_start: 0x%lx) present?\n", - tsk->pid, vma->vm_start); - mutex_unlock(&__stp_tf_vma_mutex); - return -EBUSY; /* Already there */ +#if DEBUG_TASK_FINDER_VMA + printk(KERN_NOTICE + "vma (pid: %d, vm_start: 0x%lx) present?\n", + tsk->pid, vma->vm_start); +#endif + mutex_unlock(&__stp_tf_vma_mutex); + return -EBUSY; /* Already there */ } } |