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SubjectRe: [PATCH 18/30] x86, kaiser: map virtually-addressed performance monitoring buffers
On Fri, Nov 10, 2017 at 11:31:39AM -0800, Dave Hansen wrote:
> static int alloc_ds_buffer(int cpu)
> {
> + struct debug_store *ds = per_cpu_ptr(&cpu_debug_store, cpu);
>
> + memset(ds, 0, sizeof(*ds));

Still wondering about that memset...

> per_cpu(cpu_hw_events, cpu).ds = ds;
>
> return 0;

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