linux-kernel - Re: [PATCH v24 07/24] x86/cpu/intel: Detect SGX supprt

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Message-ID: <20191219061510.GA32039@zn.tnic>
Date:   Thu, 19 Dec 2019 07:15:10 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-sgx@...r.kernel.org, akpm@...ux-foundation.org,
        dave.hansen@...el.com, sean.j.christopherson@...el.com,
        nhorman@...hat.com, npmccallum@...hat.com, serge.ayoun@...el.com,
        shay.katz-zamir@...el.com, haitao.huang@...el.com,
        andriy.shevchenko@...ux.intel.com, tglx@...utronix.de,
        kai.svahn@...el.com, josh@...htriplett.org, luto@...nel.org,
        kai.huang@...el.com, rientjes@...gle.com, cedric.xing@...el.com,
        puiterwijk@...hat.com
Subject: Re: [PATCH v24 07/24] x86/cpu/intel: Detect SGX supprt

On Thu, Dec 19, 2019 at 02:42:20AM +0200, Jarkko Sakkinen wrote:
> It is used in bunch of places in the kernel. I'm a bit confused
> when using it is a right thing and when it should be avoided.

Yeah, we try to avoid ifdeffery as much as possible. Even if it means
pushing it into the called function and hiding it there. :-)

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette