linux-kernel - Re: [PATCH v3 1/2] x86/sgx: Add the missing ifdef for sgx_set

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Message-ID: <YSdl16MFt/GVNGDq@zn.tnic>
Date:   Thu, 26 Aug 2021 11:58:47 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     linux-sgx@...r.kernel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Kai Huang <kai.huang@...el.com>, Shuah Khan <shuah@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] x86/sgx: Add the missing ifdef for
 sgx_set_attribute()

On Thu, Aug 26, 2021 at 02:52:32AM +0300, Jarkko Sakkinen wrote:
> Similarly as sgx_virt_*, decorate sgx_set_attribute() with ifdef, so that
> calling it without appropraite config flags, will cause a compilation
> error, and not a linking error.

Please explain what exactly is this fixing. IOW, how can I reproduce the
failure?

-- 
Regards/Gruss,
    Boris.

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