On 28 Nov, 2014, at 07:33 , Mindaugas Rasiukevicius wrote:
> Dennis Ferguson wrote:
> Yes, Joerg broke the name cache concurrency. This has to be fixed or at
> least reverted for netbsd-7.
He did, but I can't blame him. The locking arrangement in that code, and
what it is supposed to accompli
On Fri, Nov 28, 2014 at 12:40 AM, Masao Uebayashi wrote:
> It turned out that prohibiting nesting was too strict, and just plain
> wrong. CPU can enter critical section C1, interrupted, and enter C2,
> etc. The cprng_fast.c assertion is OK. Sorry for confusion.
Still thinking. Probably provid
On Wed, Nov 26, 2014 at 01:51:57PM +1100, Paul Ripke wrote:
> On Tue, Nov 25, 2014 at 09:25:02AM +0100, Martin Husemann wrote:
> > On Tue, Nov 25, 2014 at 01:22:00PM +1100, Paul Ripke wrote:
> > > slave:ksh$ find /home/tmp > /dev/null
> > > find: /home/tmp/badfile: Bad file descriptor
> >
> > Is t
On Fri, Nov 28, 2014 at 8:47 AM, Mindaugas Rasiukevicius
wrote:
> Masao Uebayashi wrote:
>> The problem of kpreempt_*() API is that its meaning is overriden by kernel
>> internal (scheduler, sync primitives, ...). This change separates the
>> internal use (scheduler disables preeemption) and oth
Masao Uebayashi wrote:
> On Thu, Nov 27, 2014 at 1:38 AM, Matt Thomas
> wrote:
> > That is not true. If the softint thread sleeps, control is returned
> > back to the preempted lwp.
>
> You're right. I keep forgetting how softint works. Sigh.
>
> <...>
>
> (Calling "interrupted" threads as
Masao Uebayashi wrote:
> The problem of kpreempt_*() API is that its meaning is overriden by kernel
> internal (scheduler, sync primitives, ...). This change separates the
> internal use (scheduler disables preeemption) and others (kernel
> subsystem code executes critical section). Detect sleep
Dennis Ferguson wrote:
>
> On 25 Nov, 2014, at 08:29 , Mindaugas Rasiukevicius
> wrote:
>
> > Taylor R Campbell wrote:
> >> The attached patch adds _PSZ variants to all the insert, remove, and
> >> foreach operations in to issue the necessary store
> >> barriers, for insert, and data-dependen
Hi,
I noticed a strange warning on my console:
ACPI Warning: \_SB_.PCI0.LPCB.SNC_.GSNE: Insufficient arguments - Caller
passed 0, method requires 1 (20131218/nsarguments-263)
What does it mean?
In case it matters, I was playing with linux emulation and
/emul/linux/proc/version.
I'm running -cu
On Fri, Nov 28, 2014 at 12:20 AM, Taylor R Campbell
wrote:
>Date: Wed, 26 Nov 2014 16:41:01 +0900
>From: Masao Uebayashi
>
>The problem of kpreempt_*() API is that its meaning is overriden by
>kernel internal (scheduler, sync primitives, ...). This change
>separates the inter
Date: Wed, 26 Nov 2014 16:41:01 +0900
From: Masao Uebayashi
The problem of kpreempt_*() API is that its meaning is overriden by
kernel internal (scheduler, sync primitives, ...). This change
separates the internal use (scheduler disables preeemption) and
others (kernel subsyste
With a few changes which I've just committed, now the tree is consistent:
- kpreempt_{disable,enable}(): "I don't want to enter scheduler!"
- KPREEMPT_{DISABLE,ENABLE}(): "I've entered scheduler!"
On Tue, Nov 18, 2014 at 11:38 AM, Ryota Ozaki wrote:
> On Mon, Nov 17, 2014 at 11:39 PM, Masao Uebayashi wrote:
>> On Mon, Nov 17, 2014 at 7:03 PM, Ryota Ozaki wrote:
>>> - http://www.netbsd.org/~ozaki-r/psz-ifnet.diff
>>
>> There are many copyout()'s while IFNET_LOCK() is taken.
>
> I'm trying
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