Linus Torvalds writes:
> I think (but may be mistaken) that ARM _does_ have pure virtual caches
> with a process ID, but people have always ended up flushing them at
> context switch simply because it just causes too much trouble.
>
> Sparc? VIPT too? Davem?
There is one PowerPC embedded chip family, the PPC440, which has a
virtual i-cache with a process ID tag. The d-cache is sane though.
Of course, the i-cache being readonly means we avoid the nastier
issues.
Paul.
-
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/
[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]
