On Wed, Nov 18, 2015 at 12:16:50AM +0300, Yury Norov wrote:
> --- a/arch/arm64/include/asm/processor.h
> +++ b/arch/arm64/include/asm/processor.h
> @@ -28,6 +28,7 @@
> #ifdef __KERNEL__
>
> #include <linux/string.h>
> +#include <linux/thread_info.h>
>
> #include <asm/fpsimd.h>
> #include <asm/hw_breakpoint.h>
> @@ -123,6 +124,15 @@ static inline void start_thread(struct pt_regs *regs,
> unsigned long pc,
> static inline void compat_start_thread(struct pt_regs *regs, unsigned long
> pc,
> unsigned long sp)
> {
> +#ifdef CONFIG_ARM64_ILP32
> + /* ILP32 thread are started the same way as LP64 threads.
> + Note we cannot use is_ilp32_compat_task here as that
> + would introduce a header depency issue. */
> + if (test_thread_flag(TIF_32BIT_AARCH64)) {
> + start_thread(regs, pc, sp);
> + return;
> + }
Nitpicks: use IS_ENABLED(CONFIG_ARM64_ILP32) instead of #ifdef. Also
follow the coding style for multi-line comments:
/*
* .....
* .....
*/
--
Catalin
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