From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Jason Cooper <jason@lakedaemon.net>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Will Deacon <will.deacon@arm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Zhen Lei <thunder.leizhen@huawei.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/1] ARM: LPAE: use phys_addr_t instead of unsigned long in outercache hooks
Date: Tue, 29 Dec 2020 10:54:56 +0000 [thread overview]
Message-ID: <20201229105456.GM1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <CAK8P3a1-zTyd9WoWxaqZ3s1ye44t1CUuZaU0a5w9bE+krk2cBA@mail.gmail.com>
On Mon, Dec 28, 2020 at 08:00:00AM +0100, Arnd Bergmann wrote:
> Wouldn't this also be needed by an Armada XP that supports
> more than 4GB of RAM but has an outer cache?
While Armada XP has an outer cache, it requires no maintanence; the
only support the kernel has is for configuring it at boot and resume:
* For Aurora cache in no outer mode, enable via the CP15 coprocessor
* broadcasting of cache commands to L2.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
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prev parent reply other threads:[~2020-12-29 10:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-25 11:44 [PATCH 1/1] ARM: LPAE: use phys_addr_t instead of unsigned long in outercache hooks Zhen Lei
2020-12-26 2:18 ` Leizhen (ThunderTown)
2020-12-26 12:15 ` Russell King - ARM Linux admin
2020-12-29 6:31 ` Leizhen (ThunderTown)
2020-12-26 12:13 ` Russell King - ARM Linux admin
2020-12-29 6:30 ` Leizhen (ThunderTown)
2020-12-29 10:51 ` Russell King - ARM Linux admin
2020-12-30 8:08 ` Leizhen (ThunderTown)
2020-12-28 7:00 ` Arnd Bergmann
2020-12-29 6:45 ` Leizhen (ThunderTown)
2020-12-29 10:54 ` Russell King - ARM Linux admin [this message]
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