Subject: [PATCH v3 21/31] arm64: 32-bit (compat) applications support

From: [email-masked] (Arnd Bergmann)
Date: Fri, 7 Sep 2012 19:47:45 +0000

On Friday 07 September 2012, Catalin Marinas wrote:
> 
> From: Will Deacon <[email-masked]>
> 
> This patch adds support for 32-bit applications. The vectors page is a
> binary blob mapped into the application user space at 0xffff0000 (the
> AArch64 toolchain does not support compilation of AArch32 code). Full
> compatibility with ARMv7 user space is supported. The use of deprecated
> ARMv7 functionality (SWP, CP15 barriers) has been disabled by default on
> AArch64 kernels and unaligned LDM/STM is not supported.
> 
> Please note that only the ARM 32-bit EABI is supported, so no OABI
> compatibility.
> 
> Signed-off-by: Will Deacon <[email-masked]>
> Signed-off-by: Catalin Marinas <[email-masked]>
> Acked-by: Tony Lindgren <[email-masked]>

I guess you haven't had time to turn any of these into architecture
independent functions as discussed last time?

	Arnd