<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 29, 2015 at 3:20 PM, Richard Purdie <span dir="ltr"><<a href="mailto:richard.purdie@linuxfoundation.org" target="_blank">richard.purdie@linuxfoundation.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Thu, 2015-10-29 at 13:43 -0700, Juro Bystricky wrote:<br>
> This patch fixes [YOCTO#8140].<br>
><br>
> The fix consist of allowing 64bit atomic ops for x86.<br>
> This should be safe for i586 and newer CPUs.<br>
> It also makes the synchronization more efficient.<br>
><br>
> Signed-off-by: Juro Bystricky <<a href="mailto:juro.bystricky@intel.com">juro.bystricky@intel.com</a>><br>
> ---<br>
> .../glibc/glibc/use_64bit_atomics.patch | 24 ++++++++++++++++++++++<br>
> meta/recipes-core/glibc/<a href="http://glibc_2.22.bb" rel="noreferrer" target="_blank">glibc_2.22.bb</a> | 1 +<br>
> 2 files changed, 25 insertions(+)<br>
> create mode 100644 meta/recipes-core/glibc/glibc/use_64bit_atomics.patch<br>
<br>
</span>Since the patch is only changing nativesdk 32 bit x86 and we know that<br>
the 32 bit SDK is pretty broken at the moment I've merged this on the<br>
basis that it can't really make it any worse. There is pressure to move<br>
to the next rc candidate for 2.0.<br>
<br>
I would like to get to the bottom of the real issue here and I still<br>
suspect 32 bit x86 images are likely broken too :/.<br></blockquote><div><br></div><div>With Juro's change I built core-image-minimal using a 32-bit buildtools on a 32-bit host(vm) and that appears to boot fine using runqemu.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Cheers,<br>
<br>
Richard<br>
<div class="HOEnZb"><div class="h5"><br>
--<br>
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