32 lines
773 B
C
32 lines
773 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/bug.h>
|
|
#include <linux/export.h>
|
|
#include <linux/types.h>
|
|
#include <linux/mmdebug.h>
|
|
#include <linux/mm.h>
|
|
|
|
#include <asm/memory.h>
|
|
|
|
phys_addr_t __virt_to_phys(unsigned long x)
|
|
{
|
|
WARN(!__is_lm_address(x),
|
|
"virt_to_phys used for non-linear address: %pK (%pS)\n",
|
|
(void *)x,
|
|
(void *)x);
|
|
|
|
return __virt_to_phys_nodebug(x);
|
|
}
|
|
EXPORT_SYMBOL(__virt_to_phys);
|
|
|
|
phys_addr_t __phys_addr_symbol(unsigned long x)
|
|
{
|
|
/*
|
|
* This is bounds checking against the kernel image only.
|
|
* __pa_symbol should only be used on kernel symbol addresses.
|
|
*/
|
|
VIRTUAL_BUG_ON(x < (unsigned long) KERNEL_START ||
|
|
x > (unsigned long) KERNEL_END);
|
|
return __pa_symbol_nodebug(x);
|
|
}
|
|
EXPORT_SYMBOL(__phys_addr_symbol);
|