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Re: [PATCH 09/10] Change table chaining layout

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From: Geert Uytterhoeven
Subject: Re: [PATCH 09/10] Change table chaining layout
Date: Tuesday, October 23, 2007 - 12:18 am

On Mon, 22 Oct 2007, Linus Torvalds wrote:

The stack pointer must be even (i.e. 2 byte-alignment).
But it looks like current gcc always allocates multiples of 4 bytes on
the stack, probably for performance reasons.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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Messages in current thread:
[PATCH 00/10] SG updates, Jens Axboe, (Mon Oct 22, 11:10 am)
[PATCH 01/10] [SG] Add helpers for manipulating SG entries, Jens Axboe, (Mon Oct 22, 11:10 am)
[PATCH 02/10] [SG] Update block layer to use sg helpers, Jens Axboe, (Mon Oct 22, 11:10 am)
[PATCH 03/10] [SG] Update crypto/ to sg helpers, Jens Axboe, (Mon Oct 22, 11:10 am)
[PATCH 04/10] [SG] Update drivers to use sg helpers, Jens Axboe, (Mon Oct 22, 11:10 am)
[PATCH 05/10] [SG] Update fs/ to use sg helpers, Jens Axboe, (Mon Oct 22, 11:10 am)
[PATCH 06/10] [SG] Update net/ to use sg helpers, Jens Axboe, (Mon Oct 22, 11:11 am)
[PATCH 07/10] [SG] Update swiotlb to use sg helpers, Jens Axboe, (Mon Oct 22, 11:11 am)
[PATCH 08/10] [SG] Update arch/ to use sg helpers, Jens Axboe, (Mon Oct 22, 11:11 am)
[PATCH 09/10] Change table chaining layout, Jens Axboe, (Mon Oct 22, 11:11 am)
[PATCH 10/10] Add CONFIG_DEBUG_SG sg validation, Jens Axboe, (Mon Oct 22, 11:11 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Mon Oct 22, 12:39 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Mon Oct 22, 12:49 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Mon Oct 22, 12:52 pm)
Re: [PATCH 09/10] Change table chaining layout, Alan Cox, (Mon Oct 22, 1:16 pm)
Re: [PATCH 09/10] Change table chaining layout, Matt Mackall, (Mon Oct 22, 1:38 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Mon Oct 22, 1:44 pm)
Re: [PATCH 08/10] [SG] Update arch/ to use sg helpers, Benny Halevy, (Mon Oct 22, 2:10 pm)
Re: [PATCH 09/10] Change table chaining layout, Benny Halevy, (Mon Oct 22, 2:16 pm)
Re: [PATCH 09/10] Change table chaining layout, Jeff Garzik, (Mon Oct 22, 2:21 pm)
Re: [PATCH 09/10] Change table chaining layout, Alan Cox, (Mon Oct 22, 2:43 pm)
Re: [PATCH 09/10] Change table chaining layout, Matt Mackall, (Mon Oct 22, 2:47 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Mon Oct 22, 2:47 pm)
Re: [PATCH 09/10] Change table chaining layout, Alan Cox, (Mon Oct 22, 3:52 pm)
Re: [PATCH 09/10] Change table chaining layout, Matt Mackall, (Mon Oct 22, 4:46 pm)
Re: [PATCH 09/10] Change table chaining layout, David Miller, (Mon Oct 22, 5:07 pm)
Re: [PATCH 09/10] Change table chaining layout, Jeff Garzik, (Mon Oct 22, 5:11 pm)
powerpc: Fix fallout from sg_page() changes, Olof Johansson, (Mon Oct 22, 9:09 pm)
IB/ehca: Fix sg_page() fallout, Olof Johansson, (Mon Oct 22, 9:31 pm)
Re: IB/ehca: Fix sg_page() fallout, Jens Axboe, (Mon Oct 22, 10:05 pm)
Re: [PATCH 02/10] [SG] Update block layer to use sg helpers, Heiko Carstens, (Mon Oct 22, 10:13 pm)
Re: [PATCH 02/10] [SG] Update block layer to use sg helpers, Jens Axboe, (Mon Oct 22, 10:16 pm)
[PATCH] fix ll_rw_blk.c build on s390, Heiko Carstens, (Mon Oct 22, 10:42 pm)
[PATCH] net: fix xfrm build - missing scatterlist.h include, Heiko Carstens, (Mon Oct 22, 10:44 pm)
Re: IB/ehca: Fix sg_page() fallout, Olof Johansson, (Mon Oct 22, 10:54 pm)
Re: [PATCH 04/10] [SG] Update drivers to use sg helpers, Heiko Carstens, (Mon Oct 22, 11:28 pm)
Re: IB/ehca: Fix sg_page() fallout, Jens Axboe, (Tue Oct 23, 12:12 am)
Re: powerpc: Fix fallout from sg_page() changes, Jens Axboe, (Tue Oct 23, 12:13 am)
Re: [PATCH 04/10] [SG] Update drivers to use sg helpers, Jens Axboe, (Tue Oct 23, 12:14 am)
Re: [PATCH 04/10] [SG] Update drivers to use sg helpers, Heiko Carstens, (Tue Oct 23, 12:16 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Tue Oct 23, 12:18 am)
Re: [PATCH 08/10] [SG] Update arch/ to use sg helpers, Jens Axboe, (Tue Oct 23, 12:26 am)
Re: [PATCH] net: fix xfrm build - missing scatterlist.h in ..., Jens Axboe, (Tue Oct 23, 12:28 am)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 2:29 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 2:41 am)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 2:50 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 2:55 am)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 3:23 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 3:29 am)
Re: [PATCH 09/10] Change table chaining layout, Ingo Molnar, (Tue Oct 23, 3:33 am)
Re: [PATCH 06/10] [SG] Update net/ to use sg helpers, Christian Borntraeger, (Tue Oct 23, 3:44 am)
Re: [PATCH 06/10] [SG] Update net/ to use sg helpers, Jens Axboe, (Tue Oct 23, 3:45 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 3:56 am)
Re: [PATCH 09/10] Change table chaining layout, Ingo Molnar, (Tue Oct 23, 4:27 am)
Re: [PATCH 02/10] [SG] Update block layer to use sg helpers, John Stoffel, (Tue Oct 23, 7:32 am)
[PATCH][SG] fix typo in ps3rom.c, Arnd Bergmann, (Tue Oct 23, 7:48 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Tue Oct 23, 8:22 am)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 10:08 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 11:33 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Tue Oct 23, 12:23 pm)
Re: [PATCH 09/10] Change table chaining layout, Andi Kleen, (Tue Oct 23, 12:56 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 1:20 pm)
Re: [PATCH 09/10] Change table chaining layout, Andi Kleen, (Tue Oct 23, 1:57 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 2:44 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 2:46 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 11:56 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 1:05 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Wed Oct 24, 2:03 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 2:12 am)
Re: [PATCH 09/10] Change table chaining layout, Olivier Galibert, (Wed Oct 24, 6:35 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 6:38 am)
Re: [PATCH 09/10] Change table chaining layout, Olivier Galibert, (Wed Oct 24, 6:45 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Wed Oct 24, 8:16 am)
Re: [PATCH 09/10] Change table chaining layout, Rusty Russell, (Thu Oct 25, 1:40 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Thu Oct 25, 2:11 am)
Re: [PATCH 09/10] Change table chaining layout, Rusty Russell, (Thu Oct 25, 4:54 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Thu Oct 25, 8:40 am)
Re: [PATCH 09/10] Change table chaining layout, Benny Halevy, (Thu Oct 25, 9:03 am)
Re: [PATCH 09/10] Change table chaining layout, Rusty Russell, (Thu Oct 25, 5:03 pm)
Re: [PATCH 09/10] Change table chaining layout, Paul Mackerras, (Thu Oct 25, 10:01 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Fri Oct 26, 7:52 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Fri Oct 26, 10:28 am)
[RFC PATCH 1/2] sg_ring instead of scatterlist chaining, Rusty Russell, (Sun Nov 4, 11:11 pm)
[RFC PATCH 2/2] sg_ring instead of scatterlist chaining in ..., Rusty Russell, (Sun Nov 4, 11:15 pm)
Re: [RFC PATCH 1/2] sg_ring instead of scatterlist chaining, Randy Dunlap, (Mon Nov 5, 9:40 am)