From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/6] ARM: keystone2: move update of the phys-to-virt constants into generic code
Date: Wed, 8 Apr 2015 20:19:26 +0100 [thread overview]
Message-ID: <20150408191926.GS12732@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <552541B1.2000501@linaro.org>
On Wed, Apr 08, 2015 at 05:56:49PM +0300, Grygorii.Strashko at linaro.org wrote:
> > +
> > + /* Re-set the phys pfn offset, and the pv offset */
> > + __pv_offset = PHYS_OFFSET + offset - PAGE_OFFSET;
>
> So, here now:
>
> __pv_offset = 0x8000 0000 + 0x7 8000 0000 - 0xC000 0000;
>
> __pv_offset == 0x8 0000 0000 (KEYSTONE_HIGH_PHYS_START) - 0xC000 0000
>
> code if offset will eq (new)PHYS_OFFSET == KEYSTONE_HIGH_PHYS_START:
>
> __pv_offset = offset - PAGE_OFFSET;
BTW, this could simply be changed to:
__pv_offset += offset;
keeping the existing "delta" implementation.
> > + __pv_phys_pfn_offset = PFN_DOWN(PHYS_OFFSET + offset);
and this to:
__pv_phys_pfn_offset += PFN_DOWN(offset);
--
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according to speedtest.net.
next prev parent reply other threads:[~2015-04-08 19:19 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-08 9:44 [PATCH 0/7] Fix Keystone 2 physical address switch Russell King - ARM Linux
2015-04-08 9:45 ` [PATCH 1/6] ARM: keystone2: move platform notifier initialisation into platform init Russell King
2015-04-13 18:57 ` santosh shilimkar
2015-04-08 9:45 ` [PATCH 2/6] ARM: keystone2: move update of the phys-to-virt constants into generic code Russell King
2015-04-08 14:56 ` Grygorii.Strashko@linaro.org
2015-04-08 18:00 ` Russell King - ARM Linux
2015-04-09 14:51 ` Grygorii.Strashko@linaro.org
2015-04-09 15:49 ` Russell King - ARM Linux
2015-04-09 16:15 ` Grygorii.Strashko@linaro.org
2015-04-08 19:19 ` Russell King - ARM Linux [this message]
2015-04-13 19:02 ` santosh shilimkar
2015-04-08 9:45 ` [PATCH 3/6] ARM: keystone2: move address space switch printk to " Russell King
2015-04-13 19:02 ` santosh shilimkar
2015-04-08 9:45 ` [PATCH 4/6] ARM: keystone2: rename init_meminfo to pv_fixup Russell King
2015-04-13 19:03 ` santosh shilimkar
2015-04-08 9:45 ` [PATCH 5/6] ARM: re-implement physical address space switching Russell King
2015-04-08 14:34 ` Thomas Petazzoni
2015-04-08 17:27 ` santosh shilimkar
2015-04-08 18:10 ` Russell King - ARM Linux
2015-04-08 17:36 ` Mark Rutland
2015-04-08 17:55 ` Russell King - ARM Linux
2015-04-13 19:11 ` santosh shilimkar
2015-04-15 12:07 ` Mark Rutland
2015-04-15 17:27 ` santosh shilimkar
2015-04-23 11:24 ` Mark Rutland
2015-05-06 10:18 ` Russell King - ARM Linux
2015-05-06 10:37 ` Mark Rutland
2015-05-06 11:33 ` Russell King - ARM Linux
2015-05-06 15:33 ` Mark Rutland
2015-05-06 15:50 ` Russell King - ARM Linux
2015-05-06 16:14 ` Mark Rutland
2015-05-06 16:24 ` Will Deacon
2015-04-08 9:45 ` [PATCH 6/6] ARM: cleanup early_paging_init() calling Russell King
2015-04-13 19:13 ` santosh shilimkar
2015-04-08 17:21 ` [PATCH 0/7] Fix Keystone 2 physical address switch santosh shilimkar
2015-04-09 16:21 ` Russell King - ARM Linux
2015-04-09 16:35 ` santosh shilimkar
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