Re: [Xen-devel] [PATCH 10/12] xen: arm: handle remaining traps from userspace

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Ian,

On 25/03/15 14:22, Ian Campbell wrote:
> CP14 dbg and general CP register access are both handled with
> unconditional injection of #undef from their respective handlers, so
> allow these even from 32-bit userspace on a 64-bit kernel.
> 
> SMC32 and HVC32 should only come from a guest in AArch32 mode and
> SMC64 and HVC64 should only come from a guest in AArch64 mode. Add
> appropriate BUG_ONs to all cases.
> 
> After this bad_trap is no longer used.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Reviewed-by: Julien Grall <julien.grall@xxxxxxxxxx>

Regards,

-- 
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel