Re: [RFC 1/4] kevent: core files.

Evgeniy Polyakov <[email protected]> wrote:
>
>> - if there is space, report it in the ring buffer.  Yes, the buffer
>>   can be optional, then all events are reported by the system call.
> 
> That requires a copy, which can neglect syscall overhead.
> Do we really want it to be done?

Please note that we're talking about events here, not actual data.  So
only the event is being copied, which is presumably rather small compared
to the data.

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:
  • Re: [RFC 1/4] kevent: core files.
    • From: Evgeniy Polyakov <[email protected]>

• References:
  • Re: [RFC 1/4] kevent: core files.
    • From: Evgeniy Polyakov <[email protected]>

• Prev by Date: Re: [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem)
• Next by Date: [PATCH] fix Intel RNG detection (take 2)
• Previous by thread: Re: [RFC 1/4] kevent: core files.
• Next by thread: Re: [RFC 1/4] kevent: core files.
• 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]