Bug#762195: libc6: libpthread: hardware-assisted lock elision hazardous on x86
On Fri, Sep 19, 2014 at 9:59 PM, Henrique de Moraes Holschuh
<hmh@debian.org> wrote:
> On Fri, 19 Sep 2014, Carlos O'Donell wrote:
>> On Fri, Sep 19, 2014 at 6:18 PM, Henrique de Moraes Holschuh
>> <hmh@debian.org> wrote:
>> > On Fri, 19 Sep 2014, Henrique de Moraes Holschuh wrote:
>> >> I can live with that, and I think I can prepare a patch if you want me to.
>> >
>> > Here's a minimal patch to glibc that should do it (compile tested).
>>
>> The GNU C Library only uses elision if built with --enable-lock-elision=yes.
>>
>> All you need to do is not build glibc with this flag.
>
> Given Jessie's expected lifetime, I'd say the blacklist is a much better
> choice with the data currently available.
Why not ignore this, call it a hardware problem, and let users update
the microcode if their devices are broken?
Cheers,
Carlos.
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