From: Hanjun Guo <hanjun.guo@linaro.org>
To: Tomasz Nowicki <tn@semihalf.com>,
Marc Zyngier <marc.zyngier@arm.com>,
tglx@linutronix.de, jason@lakedaemon.net, rjw@rjwysocki.net,
lorenzo.pieralisi@arm.com, robert.richter@caviumnetworks.com,
shijie.huang@arm.com, guohanjun@huawei.com,
Suravee.Suthikulpanit@amd.com
Cc: mw@semihalf.com, graeme.gregory@linaro.org,
Catalin.Marinas@arm.com, will.deacon@arm.com,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, ddaney.cavm@gmail.com
Subject: Re: [PATCH V2 03/10] irqchip,GICv3,ACPI: Add redistributor support via GICC structures.
Date: Wed, 13 Jan 2016 09:52:37 +0800 [thread overview]
Message-ID: <5695ADE5.7010501@linaro.org> (raw)
In-Reply-To: <56952DA1.4030401@semihalf.com>
On 2016/1/13 0:45, Tomasz Nowicki wrote:
> On 12.01.2016 13:03, Marc Zyngier wrote:
>
> > + typer = readq_relaxed(redist_base + GICR_TYPER);
> > + /* don't map reserved page as it's buggy to access it */
> > + size = (typer & GICR_TYPER_VLPIS) ? SZ_64K * 3 : SZ_64K * 2;
>
> [...]
>
>> Also, please map the whole region for the
>> redistributor as we have on the DT side (4 64kB pages for VLPIS capable
>> redistributors).
>
> Hanjun, is it something you had problem with?
Yes, for D02, it use 3 64kB pages for GICv4, it removed the reserved
page. In DT case, it has "stride" binding so it can support no standard
cases, seems that we can introduce "stride" for ACPI too.
Thanks
Hanjun
next prev parent reply other threads:[~2016-01-13 1:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 11:52 [PATCH V2 00/10] Introduce ACPI world to GICv3 & ITS irqchip Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 01/10] irqchip / GICv3: Refactor gic_of_init() for GICv3 driver Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 02/10] irqchip / GICv3: Add ACPI support for GICv3+ initialization Tomasz Nowicki
2015-12-17 13:44 ` kbuild test robot
2015-12-17 15:12 ` Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 03/10] irqchip,GICv3,ACPI: Add redistributor support via GICC structures Tomasz Nowicki
2016-01-12 12:03 ` Marc Zyngier
2016-01-12 15:05 ` Hanjun Guo
2016-01-12 16:16 ` Marc Zyngier
2016-01-12 17:14 ` Tomasz Nowicki
2016-01-12 16:45 ` Tomasz Nowicki
2016-01-13 1:52 ` Hanjun Guo [this message]
2016-01-13 8:35 ` Marc Zyngier
2016-01-13 9:15 ` Hanjun Guo
2015-12-17 11:52 ` [PATCH V2 04/10] irqchip / GICv3: remove gic root node in ITS Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 05/10] irqchip, gicv3, its: Mark its_init() and its children as __init Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 06/10] irqchip/GICv3/ITS: Refator ITS dt init code to prepare for ACPI Tomasz Nowicki
2015-12-18 10:57 ` Hanjun Guo
2015-12-18 11:14 ` Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 07/10] ARM64, ACPI, PCI: I/O Remapping Table (IORT) initial support Tomasz Nowicki
2015-12-17 13:24 ` Tomasz Nowicki
2015-12-18 12:11 ` Hanjun Guo
2015-12-18 11:18 ` Hanjun Guo
2015-12-17 11:52 ` [PATCH V2 08/10] irqchip, gicv3, its: Probe ITS in the ACPI way Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 09/10] acpi, gicv3, msi: Factor out code that might be reused for ACPI equivalent Tomasz Nowicki
2015-12-17 11:52 ` [PATCH V2 10/10] acpi, gicv3, its: Use MADT ITS subtable to do PCI/MSI domain initialization Tomasz Nowicki
2015-12-17 12:46 ` kbuild test robot
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