Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Andi Kleen
> Looks like Feb 7 2002, assuming this is genuine: > > > http://www.theinquirer.net/inquirer/news/1049122/amd-microsoft-hammer-memo-leaked > > Not sure about Linux first booting 64 bit. x86-64 Linux first boot was around the same time. Also it was running on simulators for a long time before

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Dave Jones
On Wed, Apr 01, 2015 at 03:46:37PM +, Luck, Tony wrote: > > Hey! My father still has a PDP-15/30, complete with core memory, 4 > > DECtape units, and a high speed punched paper tape reader, all in > > a really tiny footprint of 4 full-height 19 inch racks, in his house. > > It hasn't been

RE: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Luck, Tony
> Hey! My father still has a PDP-15/30, complete with core memory, 4 > DECtape units, and a high speed punched paper tape reader, all in > a really tiny footprint of 4 full-height 19 inch racks, in his house. > It hasn't been turned on in over a decade, but doesn't deserve a Free > Unixlike OS of

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Theodore Ts'o
On Wed, Apr 01, 2015 at 03:41:55PM +0100, One Thousand Gnomes wrote: > > I think a lot of us working on other free Unixlike OS platforms have > reached a similar conclusion. It's a natural segmentation. The final > commit should include the following helpful table > > > Bits

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread One Thousand Gnomes
> We really don't want to have this unmaintainable mixture of: > > 128-bit support >64-bit support (legacy mode) >32-bit support (compat mode) >16-bit support (vm86 mode) > 8-bit support (UART mode) > > ... all in the same kernel! I think a lot of us

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Ingo Molnar
* Robert Richter wrote: > [...] > > Though, I assume a discussion on this topic will at least take 1-2 > years, so it's good to start with it now. Also, I really would like > to finally switch off and retire my K7 which still runs some > regression tests (will need to check the actual used

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Robert Richter
On 01.04.15 10:56:00, Robert Richter wrote: > (cc'ing Andi) > > > On Wed, Apr 01, 2015 at 10:15:58AM +0200, Borislav Petkov wrote: > > > From: Borislav Petkov > > > > > > Today, April 1st 2015, marks almost 15 years since the introduction of > > > the 64-bit extensions to the x86 architecture.

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Robert Richter
(cc'ing Andi) > On Wed, Apr 01, 2015 at 10:15:58AM +0200, Borislav Petkov wrote: > > From: Borislav Petkov > > > > Today, April 1st 2015, marks almost 15 years since the introduction of > > the 64-bit extensions to the x86 architecture. And frankly, 15 years was > > a graceful period enough for

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Ingo Molnar
* Borislav Petkov wrote: > peterz says I forgot to Cc Linus. My bad. Fixed. Yeah, although this cleanup really shouldn't be controversial so I'll merge it up for a v4.0 merge ASAP. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Borislav Petkov
peterz says I forgot to Cc Linus. My bad. Fixed. On Wed, Apr 01, 2015 at 10:15:58AM +0200, Borislav Petkov wrote: > From: Borislav Petkov > > Today, April 1st 2015, marks almost 15 years since the introduction of > the 64-bit extensions to the x86 architecture. And frankly, 15 years was > a

[PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Borislav Petkov
From: Borislav Petkov Today, April 1st 2015, marks almost 15 years since the introduction of the 64-bit extensions to the x86 architecture. And frankly, 15 years was a graceful period enough for people to move to 64-bit. Therefore, today, I'm removing 32-bit support from x86 Linux. And it was

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Borislav Petkov
peterz says I forgot to Cc Linus. My bad. Fixed. On Wed, Apr 01, 2015 at 10:15:58AM +0200, Borislav Petkov wrote: From: Borislav Petkov b...@suse.de Today, April 1st 2015, marks almost 15 years since the introduction of the 64-bit extensions to the x86 architecture. And frankly, 15 years was

[PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Borislav Petkov
From: Borislav Petkov b...@suse.de Today, April 1st 2015, marks almost 15 years since the introduction of the 64-bit extensions to the x86 architecture. And frankly, 15 years was a graceful period enough for people to move to 64-bit. Therefore, today, I'm removing 32-bit support from x86 Linux.

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Ingo Molnar
* Borislav Petkov b...@alien8.de wrote: peterz says I forgot to Cc Linus. My bad. Fixed. Yeah, although this cleanup really shouldn't be controversial so I'll merge it up for a v4.0 merge ASAP. Thanks, Ingo -- To unsubscribe from this list: send the line unsubscribe linux-kernel in

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Robert Richter
(cc'ing Andi) On Wed, Apr 01, 2015 at 10:15:58AM +0200, Borislav Petkov wrote: From: Borislav Petkov b...@suse.de Today, April 1st 2015, marks almost 15 years since the introduction of the 64-bit extensions to the x86 architecture. And frankly, 15 years was a graceful period enough

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Robert Richter
On 01.04.15 10:56:00, Robert Richter wrote: (cc'ing Andi) On Wed, Apr 01, 2015 at 10:15:58AM +0200, Borislav Petkov wrote: From: Borislav Petkov b...@suse.de Today, April 1st 2015, marks almost 15 years since the introduction of the 64-bit extensions to the x86 architecture. And

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Ingo Molnar
* Robert Richter r...@kernel.org wrote: [...] Though, I assume a discussion on this topic will at least take 1-2 years, so it's good to start with it now. Also, I really would like to finally switch off and retire my K7 which still runs some regression tests (will need to check the

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread One Thousand Gnomes
We really don't want to have this unmaintainable mixture of: 128-bit support 64-bit support (legacy mode) 32-bit support (compat mode) 16-bit support (vm86 mode) 8-bit support (UART mode) ... all in the same kernel! I think a lot of us working on

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Dave Jones
On Wed, Apr 01, 2015 at 03:46:37PM +, Luck, Tony wrote: Hey! My father still has a PDP-15/30, complete with core memory, 4 DECtape units, and a high speed punched paper tape reader, all in a really tiny footprint of 4 full-height 19 inch racks, in his house. It hasn't been turned

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Theodore Ts'o
On Wed, Apr 01, 2015 at 03:41:55PM +0100, One Thousand Gnomes wrote: I think a lot of us working on other free Unixlike OS platforms have reached a similar conclusion. It's a natural segmentation. The final commit should include the following helpful table BitsFree

RE: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Luck, Tony
Hey! My father still has a PDP-15/30, complete with core memory, 4 DECtape units, and a high speed punched paper tape reader, all in a really tiny footprint of 4 full-height 19 inch racks, in his house. It hasn't been turned on in over a decade, but doesn't deserve a Free Unixlike OS of its

Re: [PATCH] x86: Drop 32-bit support ... finally.

2015-04-01 Thread Andi Kleen
Looks like Feb 7 2002, assuming this is genuine: http://www.theinquirer.net/inquirer/news/1049122/amd-microsoft-hammer-memo-leaked Not sure about Linux first booting 64 bit. x86-64 Linux first boot was around the same time. Also it was running on simulators for a long time before that.