diff options
Diffstat (limited to 'arch/arm64/kernel/patching.c')
| -rw-r--r-- | arch/arm64/kernel/patching.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/arm64/kernel/patching.c b/arch/arm64/kernel/patching.c index 7f99723fbb8c..1041bc67a3ee 100644 --- a/arch/arm64/kernel/patching.c +++ b/arch/arm64/kernel/patching.c @@ -30,20 +30,17 @@ static bool is_image_text(unsigned long addr) static void __kprobes *patch_map(void *addr, int fixmap) { - unsigned long uintaddr = (uintptr_t) addr; - bool image = is_image_text(uintaddr); - struct page *page; - - if (image) - page = phys_to_page(__pa_symbol(addr)); - else if (IS_ENABLED(CONFIG_EXECMEM)) - page = vmalloc_to_page(addr); - else - return addr; - - BUG_ON(!page); - return (void *)set_fixmap_offset(fixmap, page_to_phys(page) + - (uintaddr & ~PAGE_MASK)); + phys_addr_t phys; + + if (is_image_text((unsigned long)addr)) { + phys = __pa_symbol(addr); + } else { + struct page *page = vmalloc_to_page(addr); + BUG_ON(!page); + phys = page_to_phys(page) + offset_in_page(addr); + } + + return (void *)set_fixmap_offset(fixmap, phys); } static void __kprobes patch_unmap(int fixmap) |