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From: Robert Richter <rric@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Ingo Molnar" <mingo@kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Tony Luck" <tony.luck@intel.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Andy Lutomirski" <luto@amacapital.net>,
	"Matt Fleming" <matt@codeblueprint.co.uk>,
	"Jörg Rödel" <joro@8bytes.org>, "Jiri Kosina" <jkosina@suse.cz>,
	"Jeff Mahoney" <jeffm@suse.com>, "Michal Hocko" <mhocko@suse.cz>,
	"Vlastimil Babka" <vbabka@suse.cz>,
	"Andre Przywara" <andre@andrep.de>,
	"Andreas Herrmann" <herrmann.der.user@gmail.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	"Andi Kleen" <andi@firstfloor.org>
Subject: Re: [PATCH] x86: Drop 32-bit support ... finally.
Date: Wed, 1 Apr 2015 11:38:31 +0200	[thread overview]
Message-ID: <20150401093831.GH4201@rric.localhost> (raw)
In-Reply-To: <20150401085600.GG4201@rric.localhost>

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 <bp@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. And it was about friggin'
> > > time...
> 
> No, I vaguely remember booting the first 64 bit cpu (on real hw) for
> the 2002-2003 time frame. I need to check my memories on a more exact
> date, but you guys from Suse should know better. So 15 years are not

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.

-Robert

> yet over and I really would like to wait at least until then. Another
> question is if 64-bit simulators take into account here.
> 
> 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 kernel version). It was a
> good time, but now I realize it's somehow over. Considering this and
> apart from my concerns above:
> 
> Acked-by: Robert Richter <rric@kernel.org>
> 
> -Robert

  reply	other threads:[~2015-04-01  9:38 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-01  8:15 [PATCH] x86: Drop 32-bit support ... finally Borislav Petkov
2015-04-01  8:21 ` Borislav Petkov
2015-04-01  8:45   ` Ingo Molnar
2015-04-01  8:56   ` Robert Richter
2015-04-01  9:38     ` Robert Richter [this message]
2015-04-01 17:28       ` Andi Kleen
2015-04-01 11:58     ` Ingo Molnar
2015-04-01 14:41       ` One Thousand Gnomes
2015-04-01 15:41         ` Theodore Ts'o
2015-04-01 15:46           ` Luck, Tony
2015-04-01 15:50             ` Dave Jones

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