linux-kernel - Re: [PATCH v4 16/16] x86/mtrr: simplify mtrr

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Message-ID: <Y1649fb9LagjBtYI@zn.tnic>
Date:   Sun, 30 Oct 2022 18:48:37 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Juergen Gross <jgross@...e.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v4 16/16] x86/mtrr: simplify mtrr_ops initialization

Another randconfig build failure in the meantime. Pretty easy to
trigger:

ld: arch/x86/kernel/cpu/cacheinfo.o: in function `cache_bp_init':
cacheinfo.c:(.init.text+0x1): undefined reference to `mtrr_bp_init'
make[1]: *** [scripts/Makefile.vmlinux:34: vmlinux] Error 1
make: *** [Makefile:1236: vmlinux] Error 2

the reason being:

# CONFIG_MTRR is not set

-- 
Regards/Gruss,
    Boris.

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