Revert "tracing: Zero the pipe cpumask on alloc to avoid spurious -EBUSY"
This reverts commit 5103216b86
which is
commit 3d07fa1dd19035eb0b13ae6697efd5caa9033e74 upstream.
The commit it fixes is about to be reverted, so also revert it.
Bug: 161946584
Change-Id: I0c442ffd94cfe75b8d61318d2913de9b818ba7f3
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
@@ -8824,7 +8824,7 @@ static struct trace_array *trace_array_create(const char *name)
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if (!alloc_cpumask_var(&tr->tracing_cpumask, GFP_KERNEL))
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if (!alloc_cpumask_var(&tr->tracing_cpumask, GFP_KERNEL))
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goto out_free_tr;
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goto out_free_tr;
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if (!zalloc_cpumask_var(&tr->pipe_cpumask, GFP_KERNEL))
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if (!alloc_cpumask_var(&tr->pipe_cpumask, GFP_KERNEL))
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goto out_free_tr;
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goto out_free_tr;
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tr->trace_flags = global_trace.trace_flags & ~ZEROED_TRACE_FLAGS;
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tr->trace_flags = global_trace.trace_flags & ~ZEROED_TRACE_FLAGS;
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@@ -9705,7 +9705,7 @@ __init static int tracer_alloc_buffers(void)
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if (trace_create_savedcmd() < 0)
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if (trace_create_savedcmd() < 0)
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goto out_free_temp_buffer;
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goto out_free_temp_buffer;
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if (!zalloc_cpumask_var(&global_trace.pipe_cpumask, GFP_KERNEL))
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if (!alloc_cpumask_var(&global_trace.pipe_cpumask, GFP_KERNEL))
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goto out_free_savedcmd;
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goto out_free_savedcmd;
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/* TODO: make the number of buffers hot pluggable with CPUS */
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/* TODO: make the number of buffers hot pluggable with CPUS */
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