linux-kernel - Re: [PATCH v6 02/17] arm64: hibernate: pass the allocated pgdp to ttbr0

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Date:   Mon, 14 Oct 2019 14:11:50 +0000
From:   Pavel Tatashin <pasha.tatashin@...een.com>
To:     James Morse <james.morse@....com>
Cc:     jmorris@...ei.org, sashal@...nel.org, ebiederm@...ssion.com,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
        corbet@....net, catalin.marinas@....com, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org, marc.zyngier@....com,
        vladimir.murzin@....com, matthias.bgg@...il.com,
        bhsharma@...hat.com, linux-mm@...ck.org, mark.rutland@....com
Subject: Re: [PATCH v6 02/17] arm64: hibernate: pass the allocated pgdp to
 ttbr0

On 19-10-11 19:17:22, James Morse wrote:
> > Fixes: 0194e760f7d2 ("arm64: hibernate: avoid potential TLB conflict")
> 
> (That was a 'break before make' fix, the affected code comes from:
>  82869ac57b5d (""arm64: kernel: Add support for hibernate/suspend-to-disk))
> 
> But, it works in all one circumstances its used: we know all the top bits will be zero.
> I agree its by accident and we should fix it.
> 
> I don't think we should send it to stable.
> Please drop the fixes tag, with that:

OK

> Reviewed-by: James Morse <james.morse@....com>
Thank you!

Pasha