Re: Periodic timing varies across boots

2019-02-28 Thread C Smith via Xenomai
On Wed, Feb 27, 2019 at 11:30 PM Philippe Gerum wrote: > On 2/28/19 6:56 AM, C Smith via Xenomai wrote: > > On Mon, Feb 25, 2019 at 12:09 AM Jan Kiszka > wrote: > > > >> On 24.02.19 07:57, C Smith via Xenomai wrote: > >>> I am using Xenomai 2.6.5, x86 32bit SMP kernel 3.18.20, Intel Core > >>>

kernel compile problem

2019-02-28 Thread C Smith via Xenomai
: <http://xenomai.org/pipermail/xenomai/attachments/20190228/b79a99dc/attachment.obj>

[PATCH v2] drivers/ipc: bufp: fix read-write, write-write preemption cases

2019-02-28 Thread Jan Kiszka via Xenomai
From: Philippe Gerum The token-based approach for detecting preemption while data is being moved into or out of the ring only protects from read vs read races, not from races involving a write side. For instance, a reader might read dirty data being changed by a writer concurrently, or two

Re: Clean up noarch ipipe queue

2019-02-28 Thread Jan Kiszka via Xenomai
On 27.02.19 09:13, Philippe Gerum wrote: On 2/27/19 7:21 AM, Jan Kiszka wrote: Hi Philippe, I started to revert the patches in the x86 tree that are touching arch/arm. One fragment may be reverted for everyone: --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h