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From: Andreas Schwab <schwab@suse.de>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
	Zou Nan hai <nanhai.zou@intel.com>, Andrew Morton <akpm@osdl.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-ia64@vger.kernel.org
Subject: Re: 2.6.17-rc1-mm1
Date: Wed, 05 Apr 2006 21:39:16 +0000	[thread overview]
Message-ID: <jer74b7ldn.fsf@sykes.suse.de> (raw)
In-Reply-To: <20060405211757.GA8536@agluck-lia64.sc.intel.com> (Tony Luck's message of "Wed, 5 Apr 2006 14:17:57 -0700")

"Luck, Tony" <tony.luck@intel.com> writes:

> diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
> index d5a04b6..4ca9877 100644
> --- a/drivers/video/console/vgacon.c
> +++ b/drivers/video/console/vgacon.c
> @@ -484,8 +484,8 @@ #endif
>  	}
>  
>  	vga_vram_base = VGA_MAP_MEM(vga_vram_base);
> -	vga_vram_end = VGA_MAP_MEM(vga_vram_end);
> -	vga_vram_size = vga_vram_end - vga_vram_base;
> +	vga_vram_end = VGA_MAP_MEM(vga_vram_end - 1);
> +	vga_vram_size = vga_vram_end - vga_vram_base + 1;

Better use vga_vram_end = VGA_MAP_MEM(vga_vram_end - 1) + 1, or you'll
screw up the other computations using vga_vram_end.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

WARNING: multiple messages have this Message-ID (diff)
From: Andreas Schwab <schwab@suse.de>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
	Zou Nan hai <nanhai.zou@intel.com>, Andrew Morton <akpm@osdl.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-ia64@vger.kernel.org
Subject: Re: 2.6.17-rc1-mm1
Date: Wed, 05 Apr 2006 23:39:16 +0200	[thread overview]
Message-ID: <jer74b7ldn.fsf@sykes.suse.de> (raw)
In-Reply-To: <20060405211757.GA8536@agluck-lia64.sc.intel.com> (Tony Luck's message of "Wed, 5 Apr 2006 14:17:57 -0700")

"Luck, Tony" <tony.luck@intel.com> writes:

> diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
> index d5a04b6..4ca9877 100644
> --- a/drivers/video/console/vgacon.c
> +++ b/drivers/video/console/vgacon.c
> @@ -484,8 +484,8 @@ #endif
>  	}
>  
>  	vga_vram_base = VGA_MAP_MEM(vga_vram_base);
> -	vga_vram_end = VGA_MAP_MEM(vga_vram_end);
> -	vga_vram_size = vga_vram_end - vga_vram_base;
> +	vga_vram_end = VGA_MAP_MEM(vga_vram_end - 1);
> +	vga_vram_size = vga_vram_end - vga_vram_base + 1;

Better use vga_vram_end = VGA_MAP_MEM(vga_vram_end - 1) + 1, or you'll
screw up the other computations using vga_vram_end.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

  parent reply	other threads:[~2006-04-05 21:39 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-04  8:45 2.6.17-rc1-mm1 Andrew Morton
2006-04-04 14:31 ` 2.6.17-rc1-mm1 Kumar Gala
2006-04-04 16:02 ` 2.6.17-mm1: drivers/w1/: patch undoes reasonable cleanups Adrian Bunk
2006-04-04 16:35   ` Evgeniy Polyakov
2006-04-04 16:29 ` 2.6.17-rc1-mm1: KEXEC became SMP-only Adrian Bunk
2006-04-04 17:22   ` Zachary Amsden
2006-04-04 17:50     ` Eric W. Biederman
2006-04-06 22:37     ` Adrian Bunk
2006-04-04 17:43   ` Eric W. Biederman
2006-04-04 17:51     ` Zachary Amsden
2006-04-04 18:43       ` Eric W. Biederman
2006-04-04 19:23         ` Zachary Amsden
2006-04-04 19:38           ` Muli Ben-Yehuda
2006-04-04 20:25           ` Andrew Morton
2006-04-04 22:02             ` Zachary Amsden
2006-04-04 22:19               ` Andrew Morton
2006-04-04 22:34                 ` Zachary Amsden
2006-04-04 22:38                   ` Andrew Morton
2006-04-05  0:21                 ` Martin Bligh
2006-04-05  2:45                   ` Eric W. Biederman
2006-04-04 16:29 ` [-mm patch] i386: pre_intr_init_hook optimization Adrian Bunk
2006-04-04 17:16   ` Zachary Amsden
2006-04-04 16:29 ` 2.6.17-rc1-mm1: why did acpi_ns_build_external_path() become global? Adrian Bunk
2006-04-04 16:30 ` [-mm patch] drivers/media/video/bt866.c: small fixes Adrian Bunk
2006-04-04 18:32   ` Martin Samuelsson
2006-04-05  7:42     ` Andrew Morton
2006-04-05  9:02       ` Adrian Bunk
2006-04-05 13:44       ` Martin Samuelsson
2006-04-05  8:32     ` Johannes Stezenbach
2006-04-05 13:54       ` Martin Samuelsson
2006-04-04 16:30 ` [-mm patch] fs/nfsd/nfs4state.c: make a struct static Adrian Bunk
2006-04-04 16:30   ` Adrian Bunk
2006-04-04 16:50   ` [NFS] " J. Bruce Fields
2006-04-04 17:29     ` Adrian Bunk
2006-04-04 20:53 ` 2.6.17-rc1-mm1: mlockall() regression on x86_64 Rafael J. Wysocki
2006-04-04 22:24   ` Andrew Morton
2006-04-04 21:53 ` 2.6.17-rc1-mm1 Zan Lynx
2006-04-04 22:09   ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05  7:01     ` 2.6.17-rc1-mm1 Roger Luethi
2006-04-05  7:29       ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05 22:01         ` 2.6.17-rc1-mm1 Roger Luethi
2006-04-04 23:38 ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-04 23:38   ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05  2:05   ` 2.6.17-rc1-mm1 Zou Nan hai
2006-04-05  2:05     ` 2.6.17-rc1-mm1 Zou Nan hai
2006-04-05 16:15     ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-05 16:15       ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-05 21:17       ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05 21:17         ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05 21:37         ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05 21:37           ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05 21:39         ` Andreas Schwab [this message]
2006-04-05 21:39           ` 2.6.17-rc1-mm1 Andreas Schwab
2006-04-05 22:01         ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-05 22:01           ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-06  1:49           ` 2.6.17-rc1-mm1 Antonino A. Daplas
2006-04-06  1:49             ` 2.6.17-rc1-mm1 Antonino A. Daplas
2006-04-06 10:21           ` 2.6.17-rc1-mm1 Russell King
2006-04-06 10:21             ` 2.6.17-rc1-mm1 Russell King
2006-04-06 10:34             ` 2.6.17-rc1-mm1 Russell King
2006-04-06 10:34               ` 2.6.17-rc1-mm1 Russell King
2006-04-06 14:55               ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-06 14:55                 ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-06 10:16         ` 2.6.17-rc1-mm1 Russell King
2006-04-06 10:16           ` 2.6.17-rc1-mm1 Russell King
2006-04-05 22:50   ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05 22:50     ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05  2:27 ` 2.6.17-rc1-mm1, nfsd/reiser4 BUG Zan Lynx
2006-04-07 12:27 ` 2.6.17-rc1-mm1: drivers/acpi/numa.c compile error Adrian Bunk
2006-04-07 20:59   ` Andrew Morton
2006-04-09 15:44     ` Adrian Bunk
2006-04-09 15:57       ` Randy.Dunlap
2006-04-07 20:58 ` 2.6.17-rc1-mm1 - detects buggy TSC on GEODE Jim Cromie
2006-04-08  0:07   ` Andrew Morton
2006-04-08  0:25     ` john stultz
2006-04-08  1:15     ` Jim Cromie
2006-04-13  7:39 ` 2.6.17-rc1-mm1 Heiko Carstens
2006-04-13  8:13   ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-14 16:07     ` 2.6.17-rc1-mm1 Alasdair G Kergon
  -- strict thread matches above, loose matches on Subject: below --
2006-04-04  8:45 2.6.17-rc1-mm1 Andrew Morton

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