Re: Architectures with strict alignment?

2007-12-30 Thread Peter Jeremy
On Sat, Dec 29, 2007 at 02:06:27PM -0800, Bakul Shah wrote: >> (though the AMD29K could apparently generate >> dummy bus cycles to limit the number of bit transitions on any cycle >> to reduce the I/O load). > >Are you sure it was the amd29k? I don't recall anything like >that

Re: Architectures with strict alignment?

2007-12-30 Thread Bernd Walter
On Sat, Dec 29, 2007 at 11:37:27PM +0100, Dag-Erling Smørgrav wrote: > Wilko Bulte <[EMAIL PROTECTED]> writes: > > In the past the alpha port had it too. > > No, it was optional and defaulted to off. It was never optional, since no alpha CPU can do missaligned access Alphas can fix missaligned ac

Re: Architectures with strict alignment?

2007-12-30 Thread Kostik Belousov
On Sat, Dec 29, 2007 at 01:12:04PM +0200, Kostik Belousov wrote: > On Sat, Dec 29, 2007 at 12:14:11AM -0800, Kip Macy wrote: > > Isn't it everything except x86? > > > > -Kip > x86 has the AC bit in the eflags. The AM bit in cr0 is enabled by the > kernel, and AC could be switched on by LD_PRELOADe

Re: Architectures with strict alignment?

2007-12-30 Thread Mike Meyer
On Sun, 30 Dec 2007 10:34:33 +0100 Bernd Walter <[EMAIL PROTECTED]> wrote: > On Sat, Dec 29, 2007 at 11:37:27PM +0100, Dag-Erling Smørgrav wrote: > > Wilko Bulte <[EMAIL PROTECTED]> writes: > > > In the past the alpha port had it too. > > > > No, it was optional and defaulted to off. > > It was n

Re: Architectures with strict alignment?

2007-12-30 Thread Bernd Walter
On Sun, Dec 30, 2007 at 01:55:06PM -0500, Mike Meyer wrote: > On Sun, 30 Dec 2007 10:34:33 +0100 Bernd Walter <[EMAIL PROTECTED]> wrote: > > On Sat, Dec 29, 2007 at 11:37:27PM +0100, Dag-Erling Smørgrav wrote: > > > Wilko Bulte <[EMAIL PROTECTED]> writes: > > > > In the past the alpha port had it t

Re: printing boot probe messages

2007-12-30 Thread Chuck Robey
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jeremy Chadwick wrote: > On Sat, Dec 29, 2007 at 09:42:38PM +0100, Erik Trulsson wrote: >> If you do not see any boot messages at all, then my guess is that you >> probably have messed around with /boot/device.hints (or compiled in a hints >> file in t

Re: printing boot probe messages

2007-12-30 Thread Peter Jeremy
On Sun, Dec 30, 2007 at 04:34:05PM -0500, Chuck Robey wrote: >astonishment (and embarrassment) others have replied using that ridiculous >nomenclature "Print#1 and Print#2". Doesn't that seem more than a little >ridiculous to you? The only distinction the kernel makes is between "verbose boot" an

Re: printing boot probe messages

2007-12-30 Thread Chuck Robey
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Peter Jeremy wrote: > On Sat, Dec 29, 2007 at 01:58:32PM -0500, Chuck Robey wrote: >> booting. If I stick "-v" in /boot.config, then when the kernel probes, all >> the probes are verbose. Stuff like my HDaudio card print incredibly >> verbose listing

Re: BSD license compatible hash algorithm?

2007-12-30 Thread Aryeh M. Friedman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dag-Erling Smørgrav wrote: > "Aryeh M. Friedman" <[EMAIL PROTECTED]> writes: >> All hashs have issues with pooling see >> http://www.burtleburtle.net/bob/hash/index.html... btw it is a >> old wives tale that the number of buckets should be prime (m

Re: prefaulting MAP_ANONYMOUS pages

2007-12-30 Thread Matthew Dillon
:1) Lots of page faults, which drop performance by a factor of 10 :compared to the case where everything is faulted in. : :... :Is there a way to achieve this that I am overlooking? If not can :someone give me some advice about what is needed? : :Kris The main problem here is that the backi

Re: BSD license compatible hash algorithm?

2007-12-30 Thread perryh
"Aryeh M. Friedman" <[EMAIL PROTECTED]> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Dag-Erling Sm??rgrav wrote: > > "Aryeh M. Friedman" <[EMAIL PROTECTED]> writes: > >> All hashs have issues with pooling see > >> http://www.burtleburtle.net/bob/hash/index.html... btw it is > >

Re: Architectures with strict alignment?

2007-12-30 Thread Mike Meyer
On Sun, 30 Dec 2007 20:37:18 +0100 Bernd Walter <[EMAIL PROTECTED]> wrote: > On Sun, Dec 30, 2007 at 01:55:06PM -0500, Mike Meyer wrote: > > On Sun, 30 Dec 2007 10:34:33 +0100 Bernd Walter <[EMAIL PROTECTED]> wrote: > > > On Sat, Dec 29, 2007 at 11:37:27PM +0100, Dag-Erling Smørgrav wrote: > > > >