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| author | Ingo Molnar <mingo@kernel.org> | 2015-05-11 16:05:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-11 16:05:09 +0200 |
| commit | 191a66353b22fad8ac89404ab4c929cbe7b0afb2 (patch) | |
| tree | bd7affc4bc640eb42e5ff3285922497285f8fdd7 /kernel/trace/trace_functions_graph.c | |
| parent | f5d6a52f511157c7476590532a23b5664b1ed877 (diff) | |
| parent | f21262b8e092a770e39fbd405cc18a0247c3af68 (diff) | |
| download | lwn-191a66353b22fad8ac89404ab4c929cbe7b0afb2.tar.gz lwn-191a66353b22fad8ac89404ab4c929cbe7b0afb2.zip | |
Merge branch 'x86/asm' into x86/apic, to resolve a conflict
Conflicts:
arch/x86/kernel/apic/io_apic.c
arch/x86/kernel/apic/vector.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
| -rw-r--r-- | kernel/trace/trace_functions_graph.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index 9cfea4c6d314..a51e79688455 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -1308,15 +1308,19 @@ void graph_trace_open(struct trace_iterator *iter) { /* pid and depth on the last trace processed */ struct fgraph_data *data; + gfp_t gfpflags; int cpu; iter->private = NULL; - data = kzalloc(sizeof(*data), GFP_KERNEL); + /* We can be called in atomic context via ftrace_dump() */ + gfpflags = (in_atomic() || irqs_disabled()) ? GFP_ATOMIC : GFP_KERNEL; + + data = kzalloc(sizeof(*data), gfpflags); if (!data) goto out_err; - data->cpu_data = alloc_percpu(struct fgraph_cpu_data); + data->cpu_data = alloc_percpu_gfp(struct fgraph_cpu_data, gfpflags); if (!data->cpu_data) goto out_err_free; |