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Revert "tracing: Zero the pipe cpumask on alloc to avoid spurious -EBUSY"

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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:
Greg Kroah-Hartman
2023-09-30 12:30:30 +00:00
parent 2b40885cdc
commit 73c7cc0b1e
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/trace.c
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@@ -8824,7 +8824,7 @@ static struct trace_array *trace_array_create(const char *name)
if (!alloc_cpumask_var(&tr->tracing_cpumask, GFP_KERNEL))
goto out_free_tr;
if (!zalloc_cpumask_var(&tr->pipe_cpumask, GFP_KERNEL))
if (!alloc_cpumask_var(&tr->pipe_cpumask, GFP_KERNEL))
goto out_free_tr;
tr->trace_flags = global_trace.trace_flags & ~ZEROED_TRACE_FLAGS;
@@ -9705,7 +9705,7 @@ __init static int tracer_alloc_buffers(void)
if (trace_create_savedcmd() < 0)
goto out_free_temp_buffer;
if (!zalloc_cpumask_var(&global_trace.pipe_cpumask, GFP_KERNEL))
if (!alloc_cpumask_var(&global_trace.pipe_cpumask, GFP_KERNEL))
goto out_free_savedcmd;
/* TODO: make the number of buffers hot pluggable with CPUS */