[ltt-dev] [PATCH 0/3] Support for user space rcu for ARM < v7

[Mathieu Desnoyers]

* Jason Wessel (jason.wessel at windriver.com) wrote:
> This patch makes the ARM support in user space rcu a bit more generic
> by renaming the headers and adding a test case for the dmb
> instruction.  On a arch that does not have dmb the generic fallback to
> the compiler barrier appears to work fine.
> 
> This patch set was tested on ARMv5, ARMv6 and ARMv7.
> 
> Comments are welcome.

I'm curious: are you planning to add support for the Thumb2 instruction set ?
With all the hardware you have access to, testing this would be pretty much
straightforward.

Thanks,

Mathieu

> 
> Thanks,
> Jason.
> 
> --
> The following changes since commit 34cfb3e3e6e8f876e1fbe091d715c6893b907ed7:
>   Mathieu Desnoyers (1):
>         URCU list: remove leftover namespace clash (list_t type removed)
> 
> Jason Wessel (3):
>       Make armv7l headers generic for the arm architecture
>       Change the arm headers to remove all the references to v7
>       Add a test for the dmb instruction on ARM
> 
>  configure.ac                                       |   22 +++++++++++++++++++-
>  urcu/{arch_armv7l.h => arch_arm.h}                 |   10 +++++---
>  urcu/{uatomic_arch_armv7l.h => uatomic_arch_arm.h} |    8 +++---
>  3 files changed, 31 insertions(+), 9 deletions(-)
>  rename urcu/{arch_armv7l.h => arch_arm.h} (87%)
>  rename urcu/{uatomic_arch_armv7l.h => uatomic_arch_arm.h} (88%)
> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com