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Message-ID: <20230906115716.GF38741@noisy.programming.kicks-ass.net>
Date: Wed, 6 Sep 2023 13:57:16 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: "Huang, Kai" <kai.huang@...el.com>
Cc: "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"Hansen, Dave" <dave.hansen@...el.com>,
"Christopherson,, Sean" <seanjc@...gle.com>,
"bp@...en8.de" <bp@...en8.de>, "x86@...nel.org" <x86@...nel.org>,
"hpa@...or.com" <hpa@...or.com>,
"mingo@...hat.com" <mingo@...hat.com>,
"tglx@...utronix.de" <tglx@...utronix.de>,
"pbonzini@...hat.com" <pbonzini@...hat.com>,
"n.borisov.lkml@...il.com" <n.borisov.lkml@...il.com>,
"Yamahata, Isaku" <isaku.yamahata@...el.com>,
"sathyanarayanan.kuppuswamy@...ux.intel.com"
<sathyanarayanan.kuppuswamy@...ux.intel.com>
Subject: Re: [PATCH v4 00/12] Unify TDCALL/SEAMCALL and TDVMCALL assembly
On Tue, Sep 05, 2023 at 11:01:28PM +0000, Huang, Kai wrote:
> On Tue, 2023-08-15 at 23:01 +1200, Kai Huang wrote:
> > Hi Peter, Kirill,
> >
> > This series unifies the assembly code for TDCALL/SEAMCALL and TDVMCALL.
> > Now all of them use one singe TDX_MODULE_CALL asm macro. More
> > information please see cover letter of v2 (see link below).
> >
> > Tested by booting TDX guest, initializing TDX module, and running TDX
> > guest successfully, all with this series applied.
> >
> >
>
> Hi Peter,
>
> Sorry to ping, but could you take a look whether you are OK with this series?
>
> Basically Kirill has provided his Reviewed-by for all the patches except the
> last one (Add unused registers to 'struct tdx_module_args' to optimize VP.ENTER
> for KVM), which he didn't like. But it is pretty much a standalone optimization
> patch we either can have or drop when applying, so I'll leave to you.
>
> Also feel free to let me know if I can help you on anything to offload part of
> your load? :-)
This looks good, thanks!
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
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