| commit | e53f21bce4d35a93b23d8fa1a840860f6c74f59e | [log] [tgz] |
|---|---|---|
| author | Catalin Marinas <catalin.marinas@arm.com> | Mon Mar 23 15:06:50 2015 +0000 |
| committer | Catalin Marinas <catalin.marinas@arm.com> | Mon Mar 23 18:42:23 2015 +0000 |
| tree | cd0e64aa540516070de9227e40137b88072ed716 | |
| parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 [diff] |
arm64: Use the reserved TTBR0 if context switching to the init_mm The idle_task_exit() function may call switch_mm() with next == &init_mm. On arm64, init_mm.pgd cannot be used for user mappings, so this patch simply sets the reserved TTBR0. Cc: <stable@vger.kernel.org> Reported-by: Jon Medhurst (Tixy) <tixy@linaro.org> Tested-by: Jon Medhurst (Tixy) <tixy@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>