Re: [PATCH 4.4 00/37] 4.4.110-stable review

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On Thu, Jan 11, 2018 at 01:36:50PM -0500, Pavel Tatashin wrote:
> I have root caused the memory corruption panics/hangs that I've been
> experiencing during boot with the latest 4.4.110 kernel. The problem
> as was suspected by Andy Lutomirski is with interaction between PTI
> and EFI. It may affect any system that has EFI bios.  I have not
> verified if it can affect any other kernel beside 4.4.110
> 
> Attached is the fix for this issue with explanations that Steve
> Sistare and I developed.

Nice, but why does this not show up in 4.9 and 4.14 and Linus's tree as
well on this hardware?  Nor on the SLES12 SP3 kernel?

What is different there that 4.4 requires?  That worries me more than
your fix (which looks good to me, fwiw.)

thanks,

greg k-h



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