From cbb999dd0b452991f4f698142aa7ffe566c0b415 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 24 Jan 2017 12:43:40 +0100 Subject: [PATCH] arm64: Use __pa_symbol for empty_zero_page If CONFIG_DEBUG_VIRTUAL=y and CONFIG_ARM64_SW_TTBR0_PAN=y: virt_to_phys used for non-linear address: ffffff8008cc0000 (empty_zero_page+0x0/0x1000) WARNING: CPU: 0 PID: 0 at arch/arm64/mm/physaddr.c:14 __virt_to_phys+0x28/0x60 ... [] __virt_to_phys+0x28/0x60 [] setup_arch+0x46c/0x4d4 Fixes: 2077be6783b5936c ("arm64: Use __pa_symbol for kernel symbols") Acked-by: Mark Rutland Acked-by: Laura Abbott Signed-off-by: Geert Uytterhoeven Signed-off-by: Will Deacon --- arch/arm64/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 669fc9ff728b..b5222094ab52 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -298,7 +298,7 @@ void __init setup_arch(char **cmdline_p) * faults in case uaccess_enable() is inadvertently called by the init * thread. */ - init_task.thread_info.ttbr0 = virt_to_phys(empty_zero_page); + init_task.thread_info.ttbr0 = __pa_symbol(empty_zero_page); #endif #ifdef CONFIG_VT