linux-kernel - Re: [PATCH v12 05/22] x86/virt/tdx: Add SEAMCALL infrastructure

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Message-ID: <d8f31af975aaba74828f7aeca5532712c9e0e0eb.camel@intel.com>
Date:   Thu, 29 Jun 2023 03:40:45 +0000
From:   "Huang, Kai" <kai.huang@...el.com>
To:     "peterz@...radead.org" <peterz@...radead.org>
CC:     "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "Raj, Ashok" <ashok.raj@...el.com>,
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        "Hansen, Dave" <dave.hansen@...el.com>,
        "ak@...ux.intel.com" <ak@...ux.intel.com>,
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Subject: Re: [PATCH v12 05/22] x86/virt/tdx: Add SEAMCALL infrastructure

On Wed, 2023-06-28 at 23:21 +0000, Huang, Kai wrote:
> > > +	/* Need a stable CPU id for printing error message */
> > > +	cpu = get_cpu();
> > 
> > And that's important because? 
> > 
> 
> I want to have a stable cpu for error message printing.

Sorry misunderstood your question.

I think having the CPU id on which the SEAMCALL failed in the dmesg would be
better?  But it's not absolutely needed.  I can remove it (thus remove
{get|put}_cpu()) if you prefer not to print?