From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x227GXccYXoVDitb/obL3Gn5MJouJCROuvQsUbgh3ibnepHJcaJm5MirPWwJAIVWClyFDgvMC ARC-Seal: i=1; a=rsa-sha256; t=1516749878; cv=none; d=google.com; s=arc-20160816; b=Vv80PK/Cj2JK/5l3ohqkHVhSGreeHj3uU9DBE+9xtoTfd615u/Bztt8QF4VuT9IBza P6qlbV86QLsjKTJDcXfkdqondi0ubY6LlHtckryj43xU62IpS4xGl5blYjUBU7md4S8k rYKlr7U0th1ARUhl5QyOk3Z9a7g7ejU3vciJNirF+HQCAzzRm9GepzER0Z3SxgDt/dJI KnNY3rLu41/fFmKbm49ZgKZ/7BfLaqFemO8CQWM1uurjj6/CClyn+KWooTssSBgKZvV8 KeUbTFlPlVj0xnvDsZEcgpzs/mKZmdN4l0IOxlNDGFoRi+jo5o91XL+5hyZ3uAfUBsfK l23A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:message-id:in-reply-to:subject :cc:to:from:date:arc-authentication-results; bh=BpiHddLVj6HsYX0vS3GJ78DJ9R3HAduFZ/qCPXaXF7g=; b=UJt1cKOOSFdxRPjk1KUcvFnlO4zCNOLHJtRx4+HyUeqVFRJ3+101I+Pyc394R2bJc4 Qcz5vP9UvB8IruDs/HZeL4H2wlwcVVHGiVUGRkOWP6ioIprHYWS0mgWM9kIRu3DVyHQy MXEw7f9p5v/tZosgEWxexhiMUcKndf8l1RMrvhXPbmcNcB7D4M740iVwRlpWyfo9P8Mg WmVBNFgde2RuFUxI4BBGyeYOxraecTK4GsMD8tDrCuibkgJ7dVqR6KdKY9cgqZJhJENu JasqQFqaPrCeI4ivIOeGLHwzDzoCG2VBKn7IrUJ/h8f9xpRUavIi9stsRPGiEZDHkuRJ yKdA== ARC-Authentication-Results: i=1; mx.google.com; spf=neutral (google.com: 195.135.220.15 is neither permitted nor denied by best guess record for domain of jikos@kernel.org) smtp.mailfrom=jikos@kernel.org Authentication-Results: mx.google.com; spf=neutral (google.com: 195.135.220.15 is neither permitted nor denied by best guess record for domain of jikos@kernel.org) smtp.mailfrom=jikos@kernel.org Date: Wed, 24 Jan 2018 00:24:36 +0100 (CET) From: Jiri Kosina To: Andi Kleen cc: Borislav Petkov , David Woodhouse , Paul Turner , LKML , Linus Torvalds , Greg Kroah-Hartman , Tim Chen , Dave Hansen , Thomas Gleixner , Kees Cook , Rik van Riel , Peter Zijlstra , Andy Lutomirski , gnomes@lxorguk.ukuu.org.uk, x86@kernel.org, thomas.lendacky@amd.com, Josh Poimboeuf Subject: Re: [PATCH v8 04/12] x86/spectre: Add boot time option to select Spectre v2 mitigation In-Reply-To: <20180123232125.GS7844@tassilo.jf.intel.com> Message-ID: References: <1515707194-20531-1-git-send-email-dwmw@amazon.co.uk> <1515707194-20531-5-git-send-email-dwmw@amazon.co.uk> <20180123224014.dsbzps4hydt6h7ed@pd.tnic> <20180123232125.GS7844@tassilo.jf.intel.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1589334464875796449?= X-GMAIL-MSGID: =?utf-8?q?1590427520916291428?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Tue, 23 Jan 2018, Andi Kleen wrote: > > Distros have always been in the situation "we let the external modules to > > load, as it'll work when it comes to functionality, but then it's our > > duty/responsibility to explain to 3rd parties that they *really* should > > recompile". Mostly because of security fixes to static inlines, but not > > only that. > > You can use my previous patch which merely warns: > > https://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git/log/?h=spec/retpoline-module-2 Thanks for pointing this out, Andi. I've been just now writing more or less the same thing; ditching that and will reuse your patch instead. Why was the more aggresive version (6cfb521ac0d5b) merged into Linus' tree instead of that? Thanks, -- Jiri Kosina SUSE Labs