Re: [PATCH] latent_entropy: fix ARM build error on earlier gcc

From: PaX Team
Date: Fri Dec 16 2016 - 17:17:43 EST


On 16 Dec 2016 at 13:06, Kees Cook wrote:

> This fixes build errors seen on gcc-4.9.3 or gcc-5.3.1 for an ARM:
>
> arm-soc/init/initramfs.c: In function 'error':
> arm-soc/init/initramfs.c:50:1: error: unrecognizable insn:
> }
> ^
> (insn 26 25 27 5 (set (reg:SI 111 [ local_entropy.243 ])
> (rotatert:SI (reg:SI 116 [ local_entropy.243 ])
> (const_int -30 [0xffffffffffffffe2]))) -1
> (nil))
>
> Patch from PaX Team <pageexec@xxxxxxxxxxx>
>
> Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
> Reported-by: Brad Spengler <spender@xxxxxxxxxxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

Cc: stable@xxxxxxxxxxxxxxx perhaps?