On 01/24/2017 12:43 PM, Geert Uytterhoeven wrote:
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
...
[<ffffff800809abb4>] __virt_to_phys+0x28/0x60
[<ffffff8008a02600>] setup_arch+0x46c/0x4d4
Fixes: 2077be6783b5936c ("arm64: Use __pa_symbol for kernel symbols")
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
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 669fc9ff728b227f..b5222094ab52db6f 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
(thought I sent this yesterday but SMTP was not set correctly)
Acked-by: Laura Abbott <labbott@xxxxxxxxxx>
