Message-ID: <52DE8189.9030805@zytor.com>
Date: Tue, 21 Jan 2014 06:17:45 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Ingo Molnar <mingo@kernel.org>
CC: Linus Torvalds <torvalds@linux-foundation.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Arnaldo Carvalho de Melo <acme@infradead.org>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>, Cong Ding <dinggnu@gmail.com>,
        "H. Peter Anvin" <hpa@linux.intel.com>, Ingo Molnar <mingo@elte.hu>,
        Kees Cook <keescook@chromium.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Mathias Krause <minipli@googlemail.com>,
        Michael Davidson <md@google.com>, Thomas Gleixner <tglx@linutronix.de>,
        Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Subject: Re: [GIT PULL] x86/kaslr for v3.14
References: <201401201647.s0KGlZdh004167@tazenda.hos.anvin.org> <CA+55aFyxisSNKstMuanfrkhu5=2bxcu2cxZxMg38Zw0HAoXppg@mail.gmail.com> <CA+55aFyaf2B4Fo-dCJUJ=03aPVdLF7r4uMYNduYPMFwJQYngcA@mail.gmail.com> <20140121102700.GB2981@gmail.com> <52DE7C49.90503@zytor.com> <20140121140311.GB4537@gmail.com> <52DE7EBD.1000908@zytor.com> <20140121141419.GB4559@gmail.com>
In-Reply-To: <20140121141419.GB4559@gmail.com>
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On 01/21/2014 06:14 AM, Ingo Molnar wrote:
> 
> Ah, I didn't mean to suggest that it's an old upstream feature: what I 
> mean is that the KASLR patch is pretty old, and it has been deployed 
> by the Chromium guys for quite some time, and by others?
> 
> It was just never combined with perf live annotation which is a recent 
> perf feature.
> 

Ah, right.  Parallel convergence.

> Anyway ... I suspect it's the fixing of the bug that matters most, not 
> its genealogy ;)

Indeed.

	-hpa


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