On Fri, Nov 20, 2020 at 2:30 AM Ard Biesheuvel [off-list ref] wrote:

On Thu, 19 Nov 2020 at 00:42, Nick Desaulniers [off-list ref] wrote:

quoted

Thanks for continuing to drive this series Sami.  For the series,

Tested-by: Nick Desaulniers <redacted>

I did virtualized boot tests with the series applied to aarch64
defconfig without CONFIG_LTO, with CONFIG_LTO_CLANG, and a third time
with CONFIG_THINLTO.  If you make changes to the series in follow ups,
please drop my tested by tag from the modified patches and I'll help
re-test.  Some minor feedback on the Kconfig change, but I'll post it
off of that patch.

When you say 'virtualized" do you mean QEMU on x86? Or actual
virtualization on an AArch64 KVM host?

aarch64 guest on x86_64 host.  If you have additional configurations
that are important to you, additional testing help would be
appreciated.

The distinction is important here, given the potential impact of LTO
on things that QEMU simply does not model when it runs in TCG mode on
a foreign host architecture.

-- 
Thanks,
~Nick Desaulniers

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