From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: "Prem (Premachandra) Mallappa"
<prem.mallappa-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
Cc: "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Jayachandran Chandrashekaran Nair
<jchandra-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v2 1/2] IOMMU: arm-smmu-v3: Fix broken STE.VALID check in Broadcom Vulcan
Date: Mon, 21 Dec 2015 09:55:01 +0000 [thread overview]
Message-ID: <20151221095500.GB23092@arm.com> (raw)
In-Reply-To: <CC0BC9CB4553B146B290EC1D4DC5C35901096047-HXj2mutaA2rOzKo2G4nwXJr/X4hKkxxPpWgKQ6/u3Fg@public.gmane.org>
On Sat, Dec 19, 2015 at 04:47:30AM +0000, Prem (Premachandra) Mallappa wrote:
> Hi Will,
Hello Prem,
> >
> > Is this workaround only needed for bypass STEs? If not, we have a problem
> > when we install a stage-1 entry, because we'll clear the EATS bits as it stands.
> >
>
> Yes, this _was_ needed only in Bypass STEs, AFAIK.
> However, the h/w fixes that were committed recently has this worked out.
> I have tested and confirmed this patch is no longer necessary. We'll drop
> this series as STE.VALID is not broken anymore :).
Hey, that's an early Christmas present! :)
Will
prev parent reply other threads:[~2015-12-21 9:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 9:59 [PATCH v2 1/2] IOMMU: arm-smmu-v3: Fix broken STE.VALID check in Broadcom Vulcan Prem Mallappa
[not found] ` <1450346376-30920-1-git-send-email-pmallapp-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2015-12-17 9:59 ` [PATCH v2 2/2] Documentation: dt-bindings: Add option to workaround STE.VALID " Prem Mallappa
[not found] ` <1450346376-30920-2-git-send-email-pmallapp-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2015-12-17 11:51 ` Will Deacon
[not found] ` <20151217115102.GC11456-5wv7dgnIgG8@public.gmane.org>
2015-12-17 12:00 ` Mark Rutland
2015-12-17 11:42 ` [PATCH v2 1/2] IOMMU: arm-smmu-v3: Fix broken STE.VALID check " Will Deacon
[not found] ` <20151217114216.GB11456-5wv7dgnIgG8@public.gmane.org>
2015-12-19 4:47 ` Prem (Premachandra) Mallappa
[not found] ` <CC0BC9CB4553B146B290EC1D4DC5C35901096047-HXj2mutaA2rOzKo2G4nwXJr/X4hKkxxPpWgKQ6/u3Fg@public.gmane.org>
2015-12-21 9:55 ` Will Deacon [this message]
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