linux-kernel - Re: [PATCH 6/7] iommu/ipmmu-vmsa: Extract hardware context initialization

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Date:   Wed, 20 Feb 2019 16:43:57 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Joerg Roedel <joro@...tes.org>,
        Magnus Damm <damm+renesas@...nsource.se>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Linux IOMMU <iommu@...ts.linux-foundation.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/7] iommu/ipmmu-vmsa: Extract hardware context initialization

Hi Laurent,

On Wed, Feb 20, 2019 at 4:35 PM Laurent Pinchart
<laurent.pinchart@...asonboard.com> wrote:
> On Wed, Feb 20, 2019 at 04:05:30PM +0100, Geert Uytterhoeven wrote:
> > ipmmu_domain_init_context() takes care of (1) initializing the software
> > domain, and (2) initializing the hardware context for the domain.
> >
> > Extract the code to initialize the hardware context into a new subroutine
> > ipmmu_context_init(), to prepare for later reuse.
> >
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> > ---
> >  drivers/iommu/ipmmu-vmsa.c | 91 ++++++++++++++++++++------------------
> >  1 file changed, 48 insertions(+), 43 deletions(-)
> >
> > diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
> > index 0a21e734466eb1bd..92a766dd8b459f0c 100644
> > --- a/drivers/iommu/ipmmu-vmsa.c
> > +++ b/drivers/iommu/ipmmu-vmsa.c
> > @@ -404,52 +404,10 @@ static void ipmmu_domain_free_context(struct ipmmu_vmsa_device *mmu,
> >       spin_unlock_irqrestore(&mmu->lock, flags);
> >  }
> >
> > -static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain)
> > +static void ipmmu_context_init(struct ipmmu_vmsa_domain *domain)
>
> ipmmu_context_init() vs. ipmmmu_domain_init_context() is confusing. You
> could call this one ipmmu_domain_setup_context() maybe ?

Thanks, that name was actually on my shortlist, and may make most sense.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds