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From: Marc Zyngier <marc.zyngier@arm.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, Liviu Dudau <liviu.dudau@arm.com>,
	Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH] arm64: dts: juno: fix size of GICv2m MSI frames
Date: Wed, 28 Feb 2018 16:54:59 +0000	[thread overview]
Message-ID: <86woyx2gws.wl-marc.zyngier@arm.com> (raw)
In-Reply-To: <1519832935-7338-1-git-send-email-sudeep.holla@arm.com>

On Wed, 28 Feb 2018 15:48:55 +0000,
sudeep holla wrote:
> 
> Currently the size of GICv2m MSI frames are listed as 4kB while the
> Juno TRM specifies 64kB for each of these MSI frames.
> 
> Though the devices connected themself might just use the first 4kB,
> to be consistent with the genaral practice of 64kB boundary alignment
> to all the devices, lets keep the size as 64kB. This might also help
> in avoiding any surprise when passing the device to a VM.
> 
> This patch increase the size of each GICv2m MSI frames from 4kB to 64kB
> as per the specification.
> 
> Cc: Liviu Dudau <liviu.dudau@arm.com>
> Cc: Robin Murphy <robin.murphy@arm.com>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

	M.

-- 
Jazz is not dead, it just smell funny.

      parent reply	other threads:[~2018-02-28 16:55 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-07 14:32 [PATCH 0/2] irqchip: GICv2m Multi-MSI support Marc Zyngier
2018-02-07 14:32 ` [PATCH 1/2] irqchip/gic-v2m: Add PCI " Marc Zyngier
2018-02-07 15:18   ` Liviu Dudau
2018-02-07 14:32 ` [PATCH 2/2] arm64: dts: juno: Describe the full GICv2m region Marc Zyngier
2018-02-12 18:17   ` Sudeep Holla
2018-02-12 18:22     ` Robin Murphy
2018-02-12 18:26       ` Sudeep Holla
2018-02-12 18:27     ` Marc Zyngier
2018-02-12 19:17       ` Robin Murphy
2018-02-28 15:48         ` Sudeep Holla
2018-02-28 15:48   ` [PATCH] arm64: dts: juno: fix size of GICv2m MSI frames Sudeep Holla
2018-02-28 15:51     ` Robin Murphy
2018-02-28 15:58       ` Sudeep Holla
2018-02-28 16:54     ` Marc Zyngier [this message]

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