Re: [git pull] x86 PAT changes

Score:

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: Linus Torvalds <torvalds@...>

To: Ingo Molnar <mingo@...>

Cc: <linux-kernel@...>, Andrew Morton <akpm@...>, H. Peter Anvin <hpa@...>, Thomas Gleixner <tglx@...>

Subject: Re: [git pull] x86 PAT changes

Date: Friday, April 25, 2008 - 7:43 pm

On Fri, 25 Apr 2008, Ingo Molnar wrote:
quoted text> Linus, please pull the x86-pat git tree from:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-pat.git for-linus
> 
> this adds the second (and final) phase of the x86 PAT changes. Due to 
> generic impact (the drivers/char/mem.c and include/asm-generic/iomap.h 
> changes) this is offered as a separate tree.

So why is PAT dependent on NONPROMISC_DEVMEM here?

It seems pointless and wrong. Somebody might want to have both the full 
/dev/mem and PAT.

Also, it causes this message for me on one of my machines:

	EXT3-fs: mounted filesystem with ordered data mode.
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	mtrr: no more MTRRs available
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000
	EXT3 FS on dm-0, internal journal
	...
	eth0: no IPv6 routers present
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xd0000000-0xd0020000
	mtrr: no more MTRRs available
	Overlap at 0xd0000000-0xe0000000
	Overlap at 0xe0300000-0xe0400000
	Overlap at 0xe0300000-0xe0380000

which is a bit annoying. Forgotten debug printk, perhaps?

			Linus
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[git pull] x86 PAT changes, Ingo Molnar, (Thu Apr 24, 6:56 pm)

Re: [git pull] x86 PAT changes, Gabriel C, (Sat Apr 26, 9:40 am)

Re: [git pull] x86 PAT changes, Ingo Molnar, (Sat Apr 26, 10:42 am)

Re: [git pull] x86 PAT changes, Gabriel C, (Sat Apr 26, 11:37 am)

Re: [git pull] x86 PAT changes, Ingo Molnar, (Sat Apr 26, 11:41 am)

Re: [git pull] x86 PAT changes, Linus Torvalds, (Sat Apr 26, 12:43 pm)

Re: [git pull] x86 PAT changes, Linus Torvalds, (Fri Apr 25, 7:43 pm)

Re: [git pull] x86 PAT changes, Ingo Molnar, (Sat Apr 26, 5:57 am)

Re: [git pull] x86 PAT changes, H. Peter Anvin, (Fri Apr 25, 8:06 pm)

Re: [git pull] x86 PAT changes, Linus Torvalds, (Fri Apr 25, 9:12 pm)

Re: [git pull] x86 PAT changes, Ingo Molnar, (Sat Apr 26, 4:56 am)

RE: [git pull] x86 PAT changes, Pallipadi, Venkatesh, (Sat Apr 26, 12:54 pm)

RE: [git pull] x86 PAT changes, Linus Torvalds, (Sat Apr 26, 1:15 pm)

Re: [git pull] x86 PAT changes, Venki Pallipadi, (Sat Apr 26, 2:32 pm)

[patch] x86, PAT: disable /dev/mem mmap RAM with PAT, Ingo Molnar, (Sat Apr 26, 3:07 pm)


linux-kernel:
Ingo Molnar	Re: [patch] paravirt: VDSO page is essential
Johannes Weiner	Re: Versioning file system
Matt Mackall	[PATCH 1/13] maps: Uninline some functions in the page walker
Greg KH	[patch 00/49] 2.6.25-stable review
git:
Johannes Schindelin	Re: [PATCH 1/4] Move redo merge code in a function
Dmitry Potapov	Re: [RFC] Git User's Survey 2008
Johannes Schindelin	Re: [PATCH] Teach 'git apply' to look at $GIT_DIR/config
Shawn O. Pearce	Re: [kernel.org users] [RFD] On deprecating "git-foo" for builtins
openbsd-misc:
Brian A. Seklecki	sshd_config(5) PermitRootLogin yes
Richard Stallman	Real men don't attack straw men
ropers	Re: low-MHz server
Diego Fernando Nieto Moreno	Intel DG33 Support
linux-netdev:
Holger Schurig	Re: Linux Wireless Mini-Summit -- Ottawa -- July 22, 2008
Tilman Schmidt	Re: 2.6.25-rc8: FTP transfer errors
Eric Dumazet	Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP
Lennert Buytenhek	[PATCH 21/39] mv643xx_eth: move port_receive() into its only caller


high memory	14 hours ago	Linux kernel
semaphore access speed	16 hours ago	Applications and Utilities
the kernel how to power off the machine	17 hours ago	Linux kernel
Easter Eggs in windows XP	20 hours ago	Windows
Shared swap partition	21 hours ago	Linux general
Root password	21 hours ago	Linux general
Where/when DNOTIFY is used?	23 hours ago	Linux kernel
How to convert Linux Kernel built-in module into a loadable module	1 day ago	Linux kernel
Linux 2.6.24 and I/O schedulers	1 day ago	Linux kernel
USB Driver -- Interrupt Polling -- A Little Help Please	1 day ago	Linux general

Re: [git pull] x86 PAT changes

Online users