Re: [patch V4 part 1 00/36] x86/entry: Entry/exception code rework, preparatory patches

From: Andy Lutomirski
Date: Thu May 07 2020 - 14:05:54 EST


On Tue, May 5, 2020 at 7:13 AM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> Folks!
>
> This is the hopefully final version of the rework of the entry and
> exception code to ensure that instrumentation cannot touch the fragile
> parts of the hardware induced entry and exception code trainwreck. It
> further ensures correctness vs. RCU and moves quite some code out of the
> assembly code into C.

Other than the minor comments I sent, part 1 all looks good to me.