dcbst instruction

Paul Mackerras paulus at samba.org
Tue Aug 12 11:32:03 EST 2003

Rabeeh Khoury writes:

> I have a question about the PowerPC cache line clean dcbst instruction.
> Is this instruction used at all in Linux ?
> If used, where ? kernel ? libc ? special builds of user space applications ?

It's used in the kernel and in every program that uses shared
libraries.  I would expect that applications such as Java JIT
compilers would use it too.


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