Messages in this thread | | | Date | Tue, 27 Oct 2020 18:56:17 +0100 | From | Peter Zijlstra <> | Subject | Re: [REGRESSION] x86/debug: After PTRACE_SINGLESTEP DR_STEP is no longer reported in dr6 |
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On Tue, Oct 27, 2020 at 10:08:14AM +0100, Peter Zijlstra wrote: > On Mon, Oct 26, 2020 at 04:30:32PM -0700, Andy Lutomirski wrote: > > Is there any compelling reason not to just drop the condition and do: > > > > current->thread.virtual_dr6 |= (dr6 & DR_STEP); > > > > unconditionally? > > Because why should it?
Because WINE does indeed rely on that. I'll go post a new version.
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