[PATCH 1/7] arm64: introduce common ESR_ELx_* definitions

[Catalin Marinas]

On Wed, Jan 07, 2015 at 12:04:14PM +0000, Mark Rutland wrote:
> Currently we have separate ESR_EL{1,2}_* macros, despite the fact that
> the encodings are common. While encodings are architected to refer to
> the current EL or a lower EL, the macros refer to particular ELs (e.g.
> ESR_ELx_EC_DABT_EL0). Having these duplicate definitions is redundant,
> and their naming is misleading.
> 
> This patch introduces common ESR_ELx_* macros that can be used in all
> cases, in preparation for later patches which will migrate existing
> users over. Some additional cleanups are made in the process:
> 
> * Suffixes for particular exception levelts (e.g. _EL0, _EL1) are
>   replaced with more general _LOW and _CUR suffixes, matching the
>   architectural intent.
> 
> * ESR_ELx_EC_WFx, rather than ESR_ELx_EC_WFI is introduced, as this
>   EC encoding covers traps from both WFE and WFI. Similarly,
>   ESR_ELx_WFx_ISS_WFE rather than ESR_ELx_EC_WFI_ISS_WFE is introduced.
> 
> * Multi-bit fields are given consistently named _SHIFT and _MASK macros.
> 
> * UL() is used for compatiblity with assembly files.
> 
> * Comments are added for currently unallocated ESR_ELx.EC encodings.
> 
> For fields other than ESR_ELx.EC, macros are only implemented for fields
> for which there is already an ESR_EL{1,2}_* macro.
> 
> Signed-off-by: Mark Rutland <mark.rutland at arm.com>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Christoffer Dall <christoffer.dall at linaro.org>
> Cc: Marc Zyngier <marc.zyngier at arm.com>
> Cc: Peter Maydell <peter.maydell at linaro.org>
> Cc: Will Deacon <will.deacon at arm.com>

I assume this series would go in via the kvm tree. In which case, for
the first two patches in the series:

Acked-by: Catalin Marinas <catalin.marinas at arm.com>