Re: [PATCH 00/11] FP/MSA fixes

[James Hogan <james.hogan@imgtec.com>]

On 24/09/14 10:45, Paul Burton wrote:
> This series fixes a bunch of bugs, both build & runtime, with FP & MSA
> support. Most of them only affect systems with the new FP modes & MSA
> support enabled but patch 6 in particular is more general, fixing
> problems for mips64 systems.

I don't claim to be particularly familiar with much of this code, but
FWIW I've read it through and haven't spotted anything wrong aside from
what has already been mentioned.

Thanks
James

> 
> James Hogan (2):
>   Revert "MIPS: Don't assume 64-bit FP registers for context switch"
>   MIPS: MSA: Fix big-endian FPR_IDX implementation
> 
> Paul Burton (9):
>   MIPS: push .set arch=r4000 into the functions needing it
>   MIPS: assume at as source/dest of MSA copy/insert instructions
>   MIPS: remove MSA macro recursion
>   MIPS: wrap cfcmsa & ctcmsa accesses for toolchains with MSA support
>   MIPS: clear MSACSR cause bits when handling MSA FP exception
>   MIPS: fix mfc1 & mfhc1 emulation for mips64 systems
>   MIPS: ensure FCSR cause bits are clear after invoking FPU emulator
>   MIPS: prevent FP context set via ptrace being discarded
>   MIPS: disable FPU if the mode is unsupported
> 
>  arch/mips/include/asm/asmmacro-32.h | 128 ++++++++++-----------
>  arch/mips/include/asm/asmmacro.h    | 218 +++++++++++++++++++++---------------
>  arch/mips/include/asm/fpu.h         |  19 ++--
>  arch/mips/include/asm/processor.h   |   2 +-
>  arch/mips/kernel/asm-offsets.c      |  66 -----------
>  arch/mips/kernel/genex.S            |  11 +-
>  arch/mips/kernel/ptrace.c           |  30 ++++-
>  arch/mips/kernel/r4k_fpu.S          |  13 ++-
>  arch/mips/kernel/traps.c            |  17 +--
>  arch/mips/math-emu/cp1emu.c         |   6 +-
>  10 files changed, 262 insertions(+), 248 deletions(-)
>