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Re: Gold Linker Patch: Introduce the "retpoline" x86 mitigation technique for variant #2 of the speculative execution vulnerabilities disclosed today, specifically identified by CVE-2017-5715 and in some places called "spectre".
- From: "Sriraman Tallam via binutils" <binutils at sourceware dot org>
- To: Florian Weimer <fweimer at redhat dot com>
- Cc: Alan Modra <amodra at gmail dot com>, Cary Coutant <ccoutant at gmail dot com>, binutils <binutils at sourceware dot org>, Chandler Carruth <chandlerc at google dot com>, Reid Kleckner <rnk at google dot com>, Eric Christopher <echristo at google dot com>, Rui Ueyama <ruiu at google dot com>, Brooks Moses <bmoses at google dot com>, Sidney Hummert <shummert at google dot com>, Xinliang David Li <davidxl at google dot com>, Bill Schmidt <wschmidt at us dot ibm dot com>
- Date: Mon, 8 Jan 2018 10:22:17 -0800
- Subject: Re: Gold Linker Patch: Introduce the "retpoline" x86 mitigation technique for variant #2 of the speculative execution vulnerabilities disclosed today, specifically identified by CVE-2017-5715 and in some places called "spectre".
- Authentication-results: sourceware.org; auth=none
- References: <CAAs8HmzJkLiGaUWf9czpNfEejM=uCP=zFvudADEuxsA2wHk+fQ@mail.gmail.com> <CAJimCsGGcXCxQUWD9XGmEHdJ+w01Tr0u29yowA9b16YGHHxMkA@mail.gmail.com> <17cb3295-626f-ba0f-7458-c13eaea24d2b@redhat.com> <CAJimCsE6bZ9VwKTfh9dFvT1HmNb==0Kxh6EJQQWXGoH-U=Epsg@mail.gmail.com> <20180106025327.GF3071@bubble.grove.modra.org> <CAAs8HmzoczCn4pcA6r2uXpANurD8eyChPjj=M16E5r8CNp+7pQ@mail.gmail.com> <a7b320fc-3725-2d44-f746-7ff4baf6101d@redhat.com>
- Reply-to: Sriraman Tallam <tmsriram at google dot com>
On Mon, Jan 8, 2018 at 10:20 AM, Florian Weimer <fweimer@redhat.com> wrote:
> On 01/08/2018 07:10 PM, Sriraman Tallam wrote:
>>
>> * Static linking is out of question since we need to use PIE to enable
>> ASLR and PIE+static linking is not supported.
>
>
> glibc 2.27 and GCC 8 will support -static-pie.
Cool, thanks! Did not know that :).
Sri
>
> Thanks,
> Florian