Re: [PATCH 0/4] ARC futex fixes
From: Vineet Gupta
Date: Mon Aug 17 2015 - 03:47:07 EST
On Thursday 06 August 2015 06:05 PM, Vineet Gupta wrote:
Hi Thomas/Peter,
Of late I've been debugging a seeming lost wakeup when running a specific
EEMBC Multibench workload (4M-check -w4) on a quad core HS38 config on FPGA
CONFIG_SMP, CONFIG_PREEMPT.
I've yet to nail that issue down, but in the process found some deficinecies
in ARC futex backend. Can you please take a quick look and shout if there's
something wrong there.
The futex backend for ARC, despite it's age, only recently started getting
real testing due to recent switch to NPTL based userland (uClibc).
Thx,
-Vineet
Vineet Gupta (4):
ARC: add barriers to futex code
ARC: futex cosmetics
ARC: make futex_atomic_cmpxchg_inatomic() return bimodal
ARC: Enable HAVE_FUTEX_CMPXCHG
arch/arc/Kconfig | 1 +
arch/arc/include/asm/futex.h | 44 +++++++++++++++++++++++++-------------------
2 files changed, 26 insertions(+), 19 deletions(-)
Hi Thomas,
Could u please take a look at these patches when u get a chance ?
Thx,
-Vineet
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