Messages in this thread | | | Date | Thu, 11 Jun 2020 15:06:33 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH v3 54/75] x86/sev-es: Handle DR7 read/write events |
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On Mon, May 25, 2020 at 12:59:35PM +0200, Borislav Petkov wrote: > On Tue, Apr 28, 2020 at 05:17:04PM +0200, Joerg Roedel wrote: > > + if (data) > > + data->dr7 = val; > > Are we still returning ES_OK if !data?
Yes, it just means we ignore DR7 writes when they happen early before runtime_data is allocated. Since the DR7 value never makes it to the hardware register anyway, it doesn't matter.
Joerg
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