linux-kernel - Re: [GIT PULL] EFI fix

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Date:   Sat, 12 Jan 2019 09:53:18 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] EFI fix


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Fri, Jan 11, 2019 at 6:22 AM Ard Biesheuvel
> <ard.biesheuvel@...aro.org> wrote:
> >
> > I was hoping we could merge this patch (so we can backport it), but
> > resolve the conflict by dropping the kmemleak_ignore() again [..]
> 
> Well, we'd drop the new #include line also, since it would be
> pointless without the kmemleak_ignore().
> 
> End result: there would be nothing left. Better not to merge it at all.

Indeed!

> It's easy enough to backport, and just say "done differently upstream
> in commit 80424b02d42b ("efi: Reduce the amount of memblock
> reservations for persistent allocations").
> 
> The stable tree doesn't require that the *same* commits be upstream,
> it only requires that the fixes be upstream and Greg&al want a pointer
> to the upstream fix just so that they know they're not fixing
> something that might still be broken upstream.
> 
> See for example (just random googling)
> 
>    https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=37435f7e80ef9adc32a69013c18f135e3f434244
> 
> which shows that "fixed differently upstream" case and points to why.

Thanks - I'm dropping the commit from efi/urgent.

	Ingo