Cregit: Linux 6.15: physaddr.c

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Laura Abbott	95	90.48%	1	16.67%
Catalin Marinas	6	5.71%	2	33.33%
Ard Biesheuvel	2	1.90%	1	16.67%
Greg Kroah-Hartman	1	0.95%	1	16.67%
Thomas Weißschuh	1	0.95%	1	16.67%
Total	105		6

// 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(__tag_reset(x)),
	     "virt_to_phys used for non-linear address: %p (%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);