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Message-ID: <20231108155204.7251-C-hca@linux.ibm.com>
Date:   Wed, 8 Nov 2023 16:52:04 +0100
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     Nina Schoetterl-Glausch <nsg@...ux.ibm.com>
Cc:     Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        linux-s390@...r.kernel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sven Schnelle <svens@...ux.ibm.com>
Subject: Re: [PATCH v2 2/4] KVM: s390: vsie: Fix length of facility list
 shadowed

On Wed, Nov 08, 2023 at 12:49:21PM +0100, Nina Schoetterl-Glausch wrote:
> On Wed, 2023-11-08 at 12:23 +0100, Claudio Imbrenda wrote:
> > On Tue,  7 Nov 2023 13:31:16 +0100
> > Nina Schoetterl-Glausch <nsg@...ux.ibm.com> wrote:
> > 
> > [...]
> > > +unsigned int stfle_size(void)
> > > +{
> > > +	static unsigned int size;
> > > +	u64 dummy;
> > > +	unsigned int r;
> > 
> > reverse Christmas tree please :)
> 
> Might be an opportunity to clear that up for me.
> AFAIK reverse christmas tree isn't universally enforced in the kernel.
> Do we do it in generic s390 code? I know we do for s390 kvm.
> Personally I don't quite get the rational, but I don't care much either :)
> Heiko?

We do that for _new_ code in s390 code, yes.

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