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Subject5.16-rc: "x86/boot: Pull up cmdline" breaks mem=
Bad news, I'm afraid: I boot with "mem=1G" on the cmdline for testing,
which worked fine on 5.16-rc1, but does not work on 5.16-rc2 onwards.

Bisection arrived at 8d48bf8206f7 ("x86/boot: Pull up cmdline preparation
and early param parsing"); and reverting c0f2077baa41 ("x86/boot: Mark
prepare_command_line() __init") then 8d48bf820cf7 does fix my "mem=1G".

I have not tried 5.15-stable, but guess that is likewise afflicted.
Sympathy, but no suggestions from me: early init ordering is hard!

Hugh

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