From: nm@ti•com (Nishanth Menon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 5/7] ARM: re-implement physical address space switching
Date: Mon, 11 May 2015 13:58:32 -0500 [thread overview]
Message-ID: <5550FBD8.3070103@ti.com> (raw)
In-Reply-To: <E1YpwbF-0000wd-MP@rmk-PC.arm.linux.org.uk>
On 05/06/2015 05:30 AM, Russell King wrote:
[...]
> @@ -1436,75 +1435,32 @@ void __init early_paging_init(const struct machine_desc *mdesc,
[...]
> - /* Finally flush any stale TLB values. */
> - local_flush_bp_all();
> - local_flush_tlb_all();
> + /* Re-enable the caches and cacheable TLB walks */
> + asm volatile("mcr p15, 0, %0, c2, c0, 2" : : "ttbcr");
^^
on next-20150511, echo
"CONFIG_ARM_LPAE=y">>arch/arm/configs/multi_v7_defconfig ;make
multi_v7_defconfig;make arch/arm/mm/mmu.o
#
# configuration written to .config
#
scripts/kconfig/conf --silentoldconfig Kconfig
<snip>
CC arch/arm/mm/mmu.o
arch/arm/mm/mmu.c: In function ?early_paging_init?:
arch/arm/mm/mmu.c:1461:54: error: expected ?(? before ?)? token
make[1]: *** [arch/arm/mm/mmu.o] Error 1
make: *** [arch/arm/mm/mmu.o] Error 2
this was using [1]
using gcc 4.9[2]:
arch/arm/mm/mmu.c: In function ?early_paging_init?:
arch/arm/mm/mmu.c:1461:54: error: expected ?(? before ?)? token
asm volatile("mcr p15, 0, %0, c2, c0, 2" : : "ttbcr");
^
scripts/Makefile.build:258: recipe for target 'arch/arm/mm/mmu.o' failed
make[1]: *** [arch/arm/mm/mmu.o] Error 1
Makefile:1545: recipe for target 'arch/arm/mm/mmu.o' failed
make: *** [arch/arm/mm/mmu.o] Error 2
> + set_cr(cr);
> }
[1] $ arm-linux-gnueabi-gcc --version
arm-linux-gnueabi-gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
[2] $ arm-linux-gnu-gcc --version
arm-linux-gnu-gcc (GCC) 4.9.2 20150107 (Red Hat Cross 4.9.2-3)
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
--
Regards,
Nishanth Menon
next prev parent reply other threads:[~2015-05-11 18:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-06 10:30 [PATCH v2 0/7] Fix Keystone 2 physical address switch Russell King - ARM Linux
2015-05-06 10:30 ` [PATCH 1/7] ARM: keystone2: move platform notifier initialisation into platform init Russell King
2015-05-06 10:30 ` [PATCH 2/7] ARM: keystone2: move update of the phys-to-virt constants into generic code Russell King
2015-05-06 10:30 ` [PATCH 3/7] ARM: keystone2: move address space switch printk " Russell King
2015-05-06 10:30 ` [PATCH 4/7] ARM: keystone2: rename init_meminfo to pv_fixup Russell King
2015-05-06 10:30 ` [PATCH 5/7] ARM: re-implement physical address space switching Russell King
2015-05-11 18:58 ` Nishanth Menon [this message]
2015-05-11 19:59 ` Russell King - ARM Linux
2015-05-12 17:22 ` Nishanth Menon
2015-05-06 10:30 ` [PATCH 6/7] ARM: cleanup early_paging_init() calling Russell King
2015-05-06 10:30 ` [PATCH 7/7] ARM: redo TTBR setup code for LPAE Russell King
2015-08-05 15:26 ` Gregory CLEMENT
2015-08-05 16:01 ` Russell King - ARM Linux
2015-08-06 11:14 ` Gregory CLEMENT
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