[llvm-dev] retpoline mitigation and 6.0
Chandler Carruth via llvm-dev
llvm-dev at lists.llvm.org
Fri Feb 2 16:27:13 PST 2018
On Fri, Feb 2, 2018 at 4:23 PM Chandler Carruth <chandlerc at google.com>
> On Fri, Feb 2, 2018 at 4:03 PM David Woodhouse <dwmw2 at infradead.org>
>> On Thu, 2018-02-01 at 10:10 +0100, Hans Wennborg via llvm-dev wrote:
>> > I saw the retpoline mitigation landed in r323155. Are we ready to
>> > merge this to 6.0, or are there any open issues that we're waiting
>> > for? Also, were there any followups I should know about? Also,
>> > release notes please :-)
>> Eep, please can we keep the command line option for clang and the thunk
>> ABI matching what GCC, the Linux kernel and Xen are all doing?
>> To say that I am not stunningly keen on
>> https://lkml.org/lkml/2018/2/2/975 would be a bit of an
A minor note on this specific patch:
You don't need '-mretpoline -mretpoline-external-thunk'. The second flag
implies the first. (Or should, if not, its a bug.) Our goal was that you
needed exactly one flag to enable this in whatever form.
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