Re: what mean ablout barrier()?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 2006-11-14 at 12:13 +0530, Raseel Bhagat wrote:
> Hi,
> 
> On 11/14/06, Rik van Riel <riel@xxxxxxxxxxx> wrote:
> > James Stevenson wrote:
> > Only the data that has been written to memory by instructions
> > that came before the current instruction, eg. MOVs and other
> > instructions with a memory target operand.
> >
> 
> And also, this instruction will be atomic, right ?

No. For x86 you need LOCK prefix for an instruction to be atomic


--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/


[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux