Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?

On 8/1/07, Neil Brown <[email protected]> wrote:

> No, this does not use indefinite stack.
>
> loop will schedule each request to be handled by a kernel thread, so
> requests to 'loop' are serialised, never stacked.
>
> In 2.6.22, generic_make_request detects and serialises recursive calls,
> so unlimited recursion is not possible there either.

Is that saying "before 2.6.22, a read/write on a deeply layered device
would use a lot of stack?"
-
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][RFC] 4K stacks default, not a debug thing any more...?
  - From: Neil Brown <[email protected]>

References:
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Rene Herman <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Matt Mackall <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Andrea Arcangeli <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Alan Cox <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Eric Sandeen <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Alan Cox <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: "Satyam Sharma" <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Eric Sandeen <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: "Dan Merillat" <[email protected]>
- Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
  - From: Neil Brown <[email protected]>

Prev by Date: Re: Problems with USB disk
Next by Date: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
Previous by thread: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
Next by thread: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
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]