On Wed, Jan 05, 2011 at 01:29:02AM +0900, Toru Nishimura wrote:
> Masao Uebayashi responds as;
>
> >>The entire effect is to eliminate the necessity of VIPT fixup efforts in
> >>port-specific pmap.c and ends up with improving the cache effeciency
> >>in large degree. This is _the intent_ behind
Masao Uebayashi responds as;
The VIPT rule is simple; just make sure to match colour between
VPN and PFN.
Hmmm. I've thought that the page colouring constraint is *should*,
not *must*.
Colour match between VPN and PFN is *must*
If not obeying the rule, it's possible two or more cache in
On Wed, Jan 05, 2011 at 05:58:34AM +, YAMAMOTO Takashi wrote:
> hi,
>
> > I take silence as "no objection".
>
> the silence in this case means was-busy-for-other-things-and-forgot.
> sorry.
>
> >> I have no real code for this big picture at this moment. Making
> >> vm_physseg available as r
Some more rambling commments;
> Colour match between VPN and PFN is *must*
There are two cases when colour match rule does matter;
1. new physical page is assigned for a given va.
-> just make sure to choose matched PFN with VPN.
2. kernel double maps another va, which may be KVA or UVA.
On Thu, Jan 06, 2011 at 02:11:53AM +0900, Toru Nishimura wrote:
> [...]
> For each port, it's just ok to tell UVM the number of colour
> at boot time. In PIPT system, the number is one, which
> makes whole VM logic works just as before. In VIPT
Not really, the number of coulours is also used fo
On Mon, Jan 3, 2011 at 1:21 PM, Alan Barrett wrote:
> On Mon, 03 Jan 2011, rud...@eq.cz wrote:
>> Adam Hamsik wrote:
>> >Modified Files:
>> > src/distrib/sets/lists/base: mi
>> > src/etc/mtree: NetBSD.dist.base
>> >
>> >Log Message:
>> >Add /var/lock directory to base set it's used by LVM
On Wed, 05 Jan 2011, Jeff Rizzo wrote:
> Modified Files:
> src/tests/sbin/resize_ffs: common.sh
>
> Log Message:
> Replace uses of 'jot' with 'seq'. This is primarily to work around
> a qemu-running-on-netbsd problem with FP which causes 'jot' to output
> incorrect sequences [...]
> As a b
hi,
> Module Name: src
> Committed By: pooka
> Date: Fri Dec 31 18:16:41 UTC 2010
>
> Modified Files:
> src/tests/fs/common: h_fsmacros.h
>
> Log Message:
> Introduce r/o tests. They do two mounts: the first one is r/w and
> runs a generator which primes the fs. The second one i
> Module Name: src
> Committed By: matt
> Date: Mon Dec 20 00:14:41 UTC 2010
>
> Modified Files:
> src/sys/arch/ofppc/conf: GENERIC
>
> Log Message:
> Add siisata (but make sure wd0 is still on viaide)
i don't like this hack to "force" wd0 to viaide. it seems to be
out of place
On Wed, Jan 05, 2011 at 02:09:16AM +0300, Valeriy E. Ushakov wrote:
> > Anyway, the reason this whole thread started out with /var/lock is
> > that the Linux world apparently also did this with /var/spool/lock.
>
> But our /var/spool/lock is specifically uucp's lockdir (uucp/daemon).
> Creati
On Thu, Jan 06, 2011 at 12:53:28AM +, YAMAMOTO Takashi wrote:
> > (one nfsro test currently fails with EROFS vs. EACCES. Hopefully
> > someone else can debate the correct errno)
>
> the NFS ACCESS procedure, which is used for open time permission checks,
> does not have a way to distingu
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