From: Marc Zyngier <maz@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>,
linux-samsung-soc@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH v2 2/2] ARM: exynos: Enable support for ARM architected timers
Date: Mon, 26 Aug 2019 11:49:42 +0100 [thread overview]
Message-ID: <d286053b6f4b4783d0638dc2dbd5858e@www.loen.fr> (raw)
In-Reply-To: <20190826103142.3477-4-m.szyprowski@samsung.com>
On 2019-08-26 11:31, Marek Szyprowski wrote:
> ARM architected timer can be used together with Exynos MultiCore
> Timer
> driver, so enable support for it. Support for ARM architected timers
> is
> essential for enabling proper KVM support.
How can you say that this is to "enable KVM support", while in the
previous
patch, you set "arm,cpu-registers-not-fw-configured" which implies that
you're
booting in secure mode with the timer's CP15 registers left to
undefined values?
M.
--
Jazz is not dead. It just smells funny...
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>,
linux-samsung-soc@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH v2 2/2] ARM: exynos: Enable support for ARM architected timers
Date: Mon, 26 Aug 2019 11:49:42 +0100 [thread overview]
Message-ID: <d286053b6f4b4783d0638dc2dbd5858e@www.loen.fr> (raw)
In-Reply-To: <20190826103142.3477-4-m.szyprowski@samsung.com>
On 2019-08-26 11:31, Marek Szyprowski wrote:
> ARM architected timer can be used together with Exynos MultiCore
> Timer
> driver, so enable support for it. Support for ARM architected timers
> is
> essential for enabling proper KVM support.
How can you say that this is to "enable KVM support", while in the
previous
patch, you set "arm,cpu-registers-not-fw-configured" which implies that
you're
booting in secure mode with the timer's CP15 registers left to
undefined values?
M.
--
Jazz is not dead. It just smells funny...
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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-08-26 10:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190826103201eucas1p1358f33d8fbdc8cef8ba2ebdcb1b3a51a@eucas1p1.samsung.com>
2019-08-26 10:31 ` [PATCH 0/5] Exynos SoCs: enable support for ARM Architected Timers Marek Szyprowski
2019-08-26 10:31 ` Marek Szyprowski
[not found] ` <CGME20190826103202eucas1p123d075e3da50b5aa1574ae46aa6aa946@eucas1p1.samsung.com>
2019-08-26 10:31 ` [PATCH v2 0/2] " Marek Szyprowski
2019-08-26 10:31 ` Marek Szyprowski
[not found] ` <CGME20190826103202eucas1p16bd422bd505086e9ee27f528a8b48d57@eucas1p1.samsung.com>
2019-08-26 10:31 ` [PATCH v2 1/2] ARM: dts: exynos: Add support ARM architected timers Marek Szyprowski
2019-08-26 10:31 ` Marek Szyprowski
[not found] ` <CGME20190826103203eucas1p2d67b0ef44758eb06252b340f7751701a@eucas1p2.samsung.com>
2019-08-26 10:31 ` [PATCH v2 2/2] ARM: exynos: Enable support for " Marek Szyprowski
2019-08-26 10:31 ` Marek Szyprowski
2019-08-26 10:49 ` Marc Zyngier [this message]
2019-08-26 10:49 ` Marc Zyngier
2019-08-28 8:22 ` Marek Szyprowski
2019-08-28 8:22 ` Marek Szyprowski
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