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From: "Kuppuswamy, Sathyanarayanan"  <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Hans de Goede <hdegoede@redhat.com>,
	Xiaoyao Li <xiaoyao.li@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>,
	Mark Gross <mgross@linux.intel.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>
Cc: Peter H Anvin <hpa@zytor.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Tony Luck <tony.luck@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Kirill Shutemov <kirill.shutemov@linux.intel.com>,
	Sean Christopherson <seanjc@google.com>,
	Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	platform-driver-x86@vger.kernel.org, bpf@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH v2 1/6] x86/tdx: Add TDREPORT TDX Module call support
Date: Thu, 8 Jul 2021 10:06:50 -0700	[thread overview]
Message-ID: <77b20778-f3e2-be2a-60d1-731f3a541ed7@linux.intel.com> (raw)
In-Reply-To: <20c227e0-1299-0bf8-690c-f0260d39f420@redhat.com>



On 7/8/21 7:20 AM, Hans de Goede wrote:
> Yes, new error codes might be introduced and you might forget to
> update this (or other) checks.
> 
> Checking for errors really MUST always be done by checking for
> ret != success (typically ret != 0 or ret < 0).
> 
> Only checking for known error codes means that if somehow an
> unknown error code gets thrown this gets treated as success,
> which is not acceptable behavior.

Got it. I will include this change in next version.

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer

  reply	other threads:[~2021-07-08 17:07 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-07 20:42 [PATCH v2 0/6] Add TDX Guest Support (Attestation support) Kuppuswamy Sathyanarayanan
2021-07-07 20:42 ` [PATCH v2 1/6] x86/tdx: Add TDREPORT TDX Module call support Kuppuswamy Sathyanarayanan
2021-07-08  8:16   ` Xiaoyao Li
2021-07-08 14:07     ` Kuppuswamy, Sathyanarayanan
2021-07-08 14:20       ` Hans de Goede
2021-07-08 17:06         ` Kuppuswamy, Sathyanarayanan [this message]
2021-07-07 20:42 ` [PATCH v2 2/6] x86/tdx: Add GetQuote TDX hypercall support Kuppuswamy Sathyanarayanan
2021-07-07 20:42 ` [PATCH v2 3/6] x86/tdx: Add SetupEventNotifyInterrupt " Kuppuswamy Sathyanarayanan
2021-07-07 20:42 ` [PATCH v2 4/6] x86/tdx: Add TDX Guest event notify interrupt vector support Kuppuswamy Sathyanarayanan
2021-07-07 20:42 ` [PATCH v2 5/6] platform/x86: intel_tdx_attest: Add TDX Guest attestation interface driver Kuppuswamy Sathyanarayanan
2021-07-08 22:21   ` Andy Lutomirski
2021-07-08 22:35     ` Dave Hansen
2021-07-09  0:38       ` Andi Kleen
2021-07-13  0:33         ` Kuppuswamy, Sathyanarayanan
2021-07-13  0:44           ` Dave Hansen
2021-07-08 23:34     ` Kuppuswamy, Sathyanarayanan
2021-07-08 23:36   ` Dan Williams
2021-07-08 23:57     ` Kuppuswamy, Sathyanarayanan
2021-07-09  0:20       ` Dan Williams
2021-07-09  0:36         ` Andi Kleen
2021-07-09  1:37           ` Dan Williams
2021-07-09  1:44             ` Andi Kleen
2021-07-09  2:04               ` Dan Williams
2021-07-09  2:43                 ` Kuppuswamy, Sathyanarayanan
2021-07-07 20:42 ` [PATCH v2 6/6] tools/tdx: Add a sample attestation user app Kuppuswamy Sathyanarayanan
2021-07-15  8:36   ` Mian Yousaf Kaukab
2021-07-15 15:19     ` Kuppuswamy, Sathyanarayanan

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