On Thu, Aug 16, 2007 at 06:06:00AM +0530, Satyam Sharma wrote:
>
> that are:
>
> while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) {
> mdelay(1);
> msecs--;
> }
>
> where mdelay() becomes __const_udelay() which happens to be in another
> translation unit (arch/i386/lib/delay.c) and hence saves this callsite
> from being a bug :-)
The udelay itself certainly should have some form of cpu_relax in it.
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
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:
- References:
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Stefan Richter <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Satyam Sharma <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Herbert Xu <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Stefan Richter <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: "Paul E. McKenney" <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Segher Boessenkool <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: "Paul E. McKenney" <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Satyam Sharma <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- From: Segher Boessenkool <[email protected]>
- [no subject]
- From: Satyam Sharma <[email protected]>
- Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- Prev by Date: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- Next by Date: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- Previous by thread: [no subject]
- Next by thread: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
- Index(es):
 |