Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures

On Mon, 10 Sep 2007 11:56:29 +0100
Denys Vlasenko <[email protected]> wrote:

> 
> Well, if you insist on having it again:
> 
> Waiting for atomic value to be zero:
> 
>         while (atomic_read(&x))
>                 continue;
> 

and this I would say is buggy code all the way.

Not from a pure C level semantics, but from a "busy waiting is buggy"
semantics level and a "I'm inventing my own locking" semantics level.

-
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 0/24] make atomic_read() behave consistently across all architectures
    • From: Denys Vlasenko <[email protected]>

• References:
  • Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    • From: Paul Mackerras <[email protected]>
  • Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    • From: Denys Vlasenko <[email protected]>
  • Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    • From: Arjan van de Ven <[email protected]>
  • Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    • From: Denys Vlasenko <[email protected]>

• Prev by Date: Re: tbench regression - Why process scheduler has impact on tbench and why small per-cpu slab (SLUB) cache creates the scenario?
• Next by Date: Re: [Lksctp-developers] [-mm patch] net/sctp/socket.c: make 3 variables static
• Previous by thread: Re: [PATCH] Document non-semantics of atomic_read() and atomic_set()
• Next by thread: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
• 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]