From: Paolo Bonzini <pbonzini@redhat.com>
To: "Duran, Leo" <leo.duran@amd.com>,
Laszlo Ersek <lersek@redhat.com>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
Jiewen Yao <jiewen.yao@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>,
Michael D Kinney <michael.d.kinney@intel.com>,
Jordan Justen <jordan.l.justen@intel.com>,
Liming Gao <liming.gao@intel.com>
Subject: Re: [PATCH v5 1/2] UefiCpuPkg/SmmCpuFeaturesLib: Use global variables to replace macros
Date: Tue, 17 Oct 2017 17:16:36 +0200 [thread overview]
Message-ID: <d0f02dcd-ba11-15d7-69ac-4b34d148fb00@redhat.com> (raw)
In-Reply-To: <DM5PR12MB12437A9E0AB6D2570A853C4BF94C0@DM5PR12MB1243.namprd12.prod.outlook.com>
On 17/10/2017 16:50, Duran, Leo wrote:
> To me,
> - This proposed library function seems appropriate in the context of CPU features (i..e, this is not a hack)
> - I'd argue having to save & restore 512 "unused" bytes per SMI is significant overheard that can be avoided.
Can it be measured, and why is it not an issue for Intel?
Paolo
> - The proposed change is not intrusive not does it add significant amount of code.
next prev parent reply other threads:[~2017-10-17 15:13 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-11 19:45 [PATCH v5 0/2] Enhanced SMM support for AMD-based x86 systems Leo Duran
2017-10-11 19:45 ` [PATCH v5 1/2] UefiCpuPkg/SmmCpuFeaturesLib: Use global variables to replace macros Leo Duran
2017-10-12 21:40 ` Paolo Bonzini
2017-10-14 15:51 ` Duran, Leo
2017-10-15 15:26 ` Paolo Bonzini
2017-10-17 14:19 ` Duran, Leo
2017-10-17 14:23 ` Laszlo Ersek
2017-10-17 14:37 ` Paolo Bonzini
2017-10-17 14:50 ` Duran, Leo
2017-10-17 15:16 ` Paolo Bonzini [this message]
2017-10-17 14:50 ` Yao, Jiewen
2017-10-17 15:14 ` Laszlo Ersek
2017-10-17 16:40 ` Duran, Leo
2017-10-18 1:50 ` Yao, Jiewen
2017-10-18 14:36 ` Duran, Leo
2017-10-19 7:00 ` Laszlo Ersek
2017-10-19 17:02 ` Duran, Leo
2017-10-17 16:30 ` Duran, Leo
2017-10-11 19:45 ` [PATCH v5 2/2] UefiCpuPkg/PiSmmCpuDxeSmm: " Leo Duran
2017-10-13 1:52 ` [PATCH v5 0/2] Enhanced SMM support for AMD-based x86 systems Yao, Jiewen
2017-10-13 2:36 ` Yao, Jiewen
2017-10-14 16:04 ` Duran, Leo
2017-10-15 0:58 ` Yao, Jiewen
2017-10-16 17:06 ` Laszlo Ersek
2017-10-16 17:08 ` Paolo Bonzini
2017-10-16 17:31 ` Duran, Leo
2017-10-16 18:44 ` Laszlo Ersek
2017-10-16 18:56 ` Duran, Leo
2017-10-14 16:08 ` Duran, Leo
2017-10-16 17:13 ` Paolo Bonzini
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