Gentoo Archives: gentoo-user

From: Ian Zimmerman <itz@××××××××××××.org>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Re: gcc 7.3 + kernel 4.15 = spectre_v2 fixed
Date: Tue, 30 Jan 2018 21:20:24
Message-Id: 20180130212009.bruhxz5h3tmhfpxm@matica.foolinux.mooo.com
In Reply to: Re: [gentoo-user] Re: gcc 7.3 + kernel 4.15 = spectre_v2 fixed by Alexander Kapshuk
1 On 2018-01-29 20:35, Alexander Kapshuk wrote:
2
3 > To compile the kernel with a different compiler, the method shown
4 > below may be used, e.g.:
5 > make CC=clang
6
7 Unfortunately, this has the annoying side effect that kconfig forces a
8 full reconfiguration, asking every question. Maybe there is a way
9 around that but looking at the complexity of the Makefile, I'm scared
10 to mess with it.
11
12 What I did in the end was to prepend the following to PATH:
13
14 /usr/x86_64-pc-linux-gnu/gcc-bin/7.3.0:
15
16 I use a pretty complex script for building kernels, so adding this to
17 the script was small potatoes. And indeed, after a reboot I see I have
18 full mitigation against spectre_v2. Now what about spectre_v1?
19
20 --
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