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Date:   Thu, 8 Jun 2023 03:08:31 +0300
From:   kirill.shutemov@linux.intel.com
To:     Kai Huang <kai.huang@intel.com>
Cc:     linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        linux-mm@kvack.org, dave.hansen@intel.com, tony.luck@intel.com,
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        rafael.j.wysocki@intel.com, ying.huang@intel.com,
        reinette.chatre@intel.com, len.brown@intel.com, ak@linux.intel.com,
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        sathyanarayanan.kuppuswamy@linux.intel.com, bagasdotme@gmail.com,
        sagis@google.com, imammedo@redhat.com
Subject: Re: [PATCH v11 06/20] x86/virt/tdx: Handle SEAMCALL running out of
 entropy error
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References: <cover.1685887183.git.kai.huang@intel.com>
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On Mon, Jun 05, 2023 at 02:27:19AM +1200, Kai Huang wrote:
> Certain SEAMCALL leaf functions may return error due to running out of
> entropy, in which case the SEAMCALL should be retried as suggested by
> the TDX spec.
> 
> Handle this case in SEAMCALL common function.  Mimic the existing
> rdrand_long() to retry RDRAND_RETRY_LOOPS times.
> 
> Signed-off-by: Kai Huang <kai.huang@intel.com>

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

-- 
  Kiryl Shutsemau / Kirill A. Shutemov