Re: [edk2] SmmCommunicationCommunicate question?

2016-10-14 Thread Laszlo Ersek
-- > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of > Anbazhagan, Baraneedharan > Sent: Thursday, October 13, 2016 6:20 AM > To: Paolo Bonzini; Laszlo Ersek > Cc: edk2-devel@lists.01.org > Subject: Re: [edk2] SmmCommunicationCommunicate question? > >> From: Paol

Re: [edk2] SmmCommunicationCommunicate question?

2016-10-13 Thread Ken Taylor
, -Ken. -Original Message- From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Anbazhagan, Baraneedharan Sent: Thursday, October 13, 2016 6:20 AM To: Paolo Bonzini; Laszlo Ersek Cc: edk2-devel@lists.01.org Subject: Re: [edk2] SmmCommunicationCommunicate question? > F

Re: [edk2] SmmCommunicationCommunicate question?

2016-10-13 Thread Anbazhagan, Baraneedharan
> From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo > Bonzini > > On 13/10/2016 11:07, Laszlo Ersek wrote: > > > > Instead, once the first CPU enters SMM, it brings all the other CPUs > > into SMM as well, where they will be executing known, secure code -- > > i.e., the

Re: [edk2] SmmCommunicationCommunicate question?

2016-10-13 Thread Paolo Bonzini
On 13/10/2016 11:07, Laszlo Ersek wrote: > > Instead, once the first CPU enters SMM, it brings all the other CPUs > into SMM as well, where they will be executing known, secure code -- > i.e., the first CPU to enter SMM forces the other CPUs to temporarily > abandon any (possibly malicious)

[edk2] SmmCommunicationCommunicate question?

2016-10-12 Thread Anbazhagan, Baraneedharan
Whether TPL needs to be raised before setting CommunicationBuffer and BufferSize in gSmmCorePrivate to avoid a callback overwriting those values before triggering SW SMI? -Baranee ___ edk2-devel mailing list edk2-devel@lists.01.org