Re: [patch] perf_event_open.2: 3.19 PERF_SAMPLE_REGS_INTR support

From: Andi Kleen
Date: Mon Mar 02 2015 - 17:58:18 EST

> do not enable REGS_USER and REG_INTR at the same time
> as REGS_USER will have REG_INTR values and
> cannot be used for user stack unwinding

If that's true it would be a bug. But I doubt it.

The PEBS handler sets up its own pt_regs, so they should
be independent.


ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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