Messages in this thread Patch in this message | | | Date | Thu, 02 Apr 2009 16:55:03 +0200 | From | markus.t.metzger@intel ... | Subject | [patch 08/18] x86, hw-branch-tracer: allocate selftest iterator on heap |
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Allocate the trace_iterator for the hw-branch-tracer selftest on the heap.
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> --- kernel/trace/trace_selftest.c | 20 12 + 8 - 0 ! 1 file changed, 12 insertions(+), 8 deletions(-)
Index: b/kernel/trace/trace_selftest.c =================================================================== --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -699,7 +699,7 @@ int trace_selftest_startup_hw_branches(struct tracer *trace, struct trace_array *tr) { - struct trace_iterator iter; + struct trace_iterator *iter; struct tracer tracer; unsigned long count; int ret; @@ -719,17 +719,21 @@ trace_selftest_startup_hw_branches(struc * The hw-branch tracer needs to collect the trace from the various * cpu trace buffers - before tracing is stopped. */ - memset(&iter, 0, sizeof(iter)); + iter = kzalloc(sizeof(*iter), GFP_KERNEL); + if (!iter) + return -ENOMEM; + memcpy(&tracer, trace, sizeof(tracer)); - iter.trace = &tracer; - iter.tr = tr; - iter.pos = -1; - mutex_init(&iter.mutex); + iter->trace = &tracer; + iter->tr = tr; + iter->pos = -1; + mutex_init(&iter->mutex); - trace->open(&iter); + trace->open(iter); - mutex_destroy(&iter.mutex); + mutex_destroy(&iter->mutex); + kfree(iter); tracing_stop(); -- --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052
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