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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
ARM: 6192/1: VExpress: Align the machine_desc.phys_io to 1MB section
When not aligned, random bits could be written in the initial page table
by the __create_page_tables() function.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
authored by Catalin Marinas and committed by Russell King cf0bb91b ad642d9f
+2
-1
arch/arm/mach-vexpress/ct-ca9x4.c
+2
-1
arch/arm/mach-vexpress/ct-ca9x4.c
···
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#include <linux/amba/clcd.h>
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#include <asm/clkdev.h>
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#include <asm/hardware/arm_timer.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/hardware/gic.h>
···
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}
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MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4")
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-
.phys_io = V2M_UART0,
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.io_pg_offst = (__MMIO_P2V(V2M_UART0) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x00000100,
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.map_io = ct_ca9x4_map_io,
···
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#include <linux/amba/clcd.h>
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#include <asm/clkdev.h>
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+
#include <asm/pgtable.h>
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#include <asm/hardware/arm_timer.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/hardware/gic.h>
···
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}
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MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4")
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+
.phys_io = V2M_UART0 & SECTION_MASK,
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.io_pg_offst = (__MMIO_P2V(V2M_UART0) >> 18) & 0xfffc,
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.boot_params = PHYS_OFFSET + 0x00000100,
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.map_io = ct_ca9x4_map_io,