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

On Mon, 22 Oct 2007, Alan Cox wrote:
> 
> Why can't we just make the list one item longer than the entry count and
> stick a NULL on the end of it like normal people ? Then you need one bit
> which ought to be safe for everyone (and if the bit is a macro any CPU
> warped enough to have byte alignment is surely going to have top bits
> spare...)

Well, quite frankly, equally easy is to just add a

	__attribute__((aligned(4)))

or whatever the gcc syntax for that is today.. That guarantees that gcc 
lays things out properly.

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

---

• Follow-Ups:
  • Re: [PATCH 09/10] Change table chaining layout
    • From: Alan Cox <[email protected]>

• References:
  • [PATCH 00/10] SG updates
    • From: Jens Axboe <[email protected]>
  • [PATCH 09/10] Change table chaining layout
    • From: Jens Axboe <[email protected]>
  • Re: [PATCH 09/10] Change table chaining layout
    • From: Geert Uytterhoeven <[email protected]>
  • Re: [PATCH 09/10] Change table chaining layout
    • From: Linus Torvalds <[email protected]>
  • Re: [PATCH 09/10] Change table chaining layout
    • From: Alan Cox <[email protected]>

• Prev by Date: Re: [patch] PCI: disable MSI on more ATI NorthBridges
• Next by Date: Re: [PATCH 1/2] irq_flags_t: intro and core annotations
• Previous by thread: Re: [PATCH 09/10] Change table chaining layout
• Next by thread: Re: [PATCH 09/10] Change table chaining layout
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]