Re: [PATCH 00/14] MIPS: KVM: Dynamically generate exception code

[Ralf Baechle <ralf@linux-mips.org>]

On Thu, Jun 23, 2016 at 05:34:33PM +0100, James Hogan wrote:

> These patches change the MIPS KVM exception entry code to be dynamically
> assembled by the MIPS "uasm" in-kernel assembler, directly into unmapped
> memory at run time by a new entry.c. Previously this code was statically
> assembled from locore.S at build time and later copied into unmapped
> memory at run time.
> 
> Patches 1-5 add support for the necessary instructions to uasm.
> 
> Patches 6-8 do the minimal-change conversion of locore.S to entry.c
> using uasm (I've used -M10% so the diff is shown as a file move).
> 
> Patches 9-14 make some related improvements that are possible now that
> it is dynamically generated, such as avoiding messy runtime conditionals
> in assembly code, making use of KScratch registers when available, and
> simplifying the initial GP register save sequence & jump to common code.
> 
> Ralf: Since the uasm patches (1-5) are needed for the later patches, I
> suggest these all go together via the KVM tree (on which the whole
> patchset is based), so Acks are welcome if they're okay with you.

Yes, please, so for the MIPS bits, that is patche 01..05:

Acked-by: Ralf Baechle <ralf@linux-mips.org>

  Ralf