Re: [Qemu-devel] [PATCH v3 0/6] The series enables Multi-Threaded TCG on PPC64

[David Gibson <david@gibson.dropbear.id.au>]

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On Thu, Apr 27, 2017 at 10:48:18AM +0530, Nikunj A Dadhania wrote:
> Patch 01: Use atomic_cmpxchg in store conditional
>       02: Handle first write to page during atomic operation
>       03: Generate memory barriers for sync/isync and load/store conditional
>       04: Fix CPU unplug in MTTCG
>       05: Enable MTTCG by default on PPC64
>       06: Fixes a bug in PPC where the reservation is reset 
>           causing atomic operations to never succeed 
> 
> Patches are based on ppc-for-2.10

Applied to ppc-for-2.10, thanks.

> 
> Changelog:
> v2: 
> * David found problem related to clang and "make check" that was 
>   root caused to a tcg bug and the patch is in mainline:
> 
>   79b1af9 tcg: Initialize return value after exit_atomic
> 
> * Fixed a bug in ppc_cpu_exec_enter(), which was resetting the 
>   reserve_addr, this should be done in powerpc_excp()
> 
> v1:
> * Rewrote store_conditional as suggested by Richard
> 
> Bharata B Rao (1):
>   cpus: Fix CPU unplug for MTTCG
> 
> Nikunj A Dadhania (5):
>   target/ppc: Emulate LL/SC using cmpxchg helpers
>   cputlb: handle first atomic write to the page
>   target/ppc: Generate fence operations
>   tcg: enable MTTCG by default for PPC64 on x86
>   target/ppc: do not reset reserve_addr in exec_enter
> 
>  configure                   |  2 ++
>  cpus.c                      |  6 ++++++
>  cputlb.c                    |  8 +++++++-
>  target/ppc/cpu.h            |  2 ++
>  target/ppc/excp_helper.c    |  3 +++
>  target/ppc/translate.c      | 37 +++++++++++++++++++++++++++++++------
>  target/ppc/translate_init.c |  9 ---------
>  7 files changed, 51 insertions(+), 16 deletions(-)
> 

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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