I seem to always be the one with the kbuild corner cases...
As part of my x86 setup rewrite, there has been some concern that using
asm(".code16gcc"); isn't as safe as it should be (because of gcc
reordering), and making it safe apparently means disabling optimizations
that adds at least 5% to the code size. Not really a huge deal, but
undesirable in the long run.
The alternative is to compile to a .s file and then inject ".code16gcc"
to the top of the .s file before assembling it into a .o file. This
means overriding some of kbuild's implicit rules, and I'm not sure how
to do that cleanly.
-hpa
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