linux-kernel - Re: [PATCH PTI v3 10/10] x86/pti: Put the LDT in its own PGD if PTI is on

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Message-ID: <alpine.DEB.2.20.1712152353320.2099@nanos>
Date:   Fri, 15 Dec 2017 23:54:43 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Andy Lutomirski <luto@...nel.org>
cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        David Laight <David.Laight@...lab.com>,
        Kees Cook <keescook@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Dave Hansen <dave.hansen@...el.com>
Subject: Re: [PATCH PTI v3 10/10] x86/pti: Put the LDT in its own PGD if PTI
 is on

On Tue, 12 Dec 2017, Andy Lutomirski wrote:
> +/* This is a multiple of PAGE_SIZE. */
> +#define LDT_SLOT_STRIDE (LDT_ENTRIES * LDT_ENTRY_SIZE)
> +
> +static void *ldt_slot_va(int slot)

How is that supposed to compile w/o warnings? Want's to be inline ....

Thanks,

	tglx