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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
ec6d06ef LA |
2 | #include <linux/bug.h> |
3 | #include <linux/export.h> | |
4 | #include <linux/types.h> | |
5 | #include <linux/mmdebug.h> | |
6 | #include <linux/mm.h> | |
7 | ||
8 | #include <asm/memory.h> | |
9 | ||
10 | phys_addr_t __virt_to_phys(unsigned long x) | |
11 | { | |
91cb2c8b | 12 | WARN(!__is_lm_address(__tag_reset(x)), |
ec6d06ef LA |
13 | "virt_to_phys used for non-linear address: %pK (%pS)\n", |
14 | (void *)x, | |
15 | (void *)x); | |
16 | ||
17 | return __virt_to_phys_nodebug(x); | |
18 | } | |
19 | EXPORT_SYMBOL(__virt_to_phys); | |
20 | ||
21 | phys_addr_t __phys_addr_symbol(unsigned long x) | |
22 | { | |
23 | /* | |
24 | * This is bounds checking against the kernel image only. | |
25 | * __pa_symbol should only be used on kernel symbol addresses. | |
26 | */ | |
27 | VIRTUAL_BUG_ON(x < (unsigned long) KERNEL_START || | |
28 | x > (unsigned long) KERNEL_END); | |
29 | return __pa_symbol_nodebug(x); | |
30 | } | |
31 | EXPORT_SYMBOL(__phys_addr_symbol); |