On Sat, Sep 24, 2005 at 09:27:22PM -0400, John David Anglin wrote:
> The last "fic" opcode entry is wrong. It's using the wrong
> instruction format, the mask is wrong, pa10 is wrong, etc.
I don't think we realised this until now. I suspect we've been
silently emitting bad code up until this point, and given that it's
in flush_kernel_icache_page, maybe it explains some of our occasional
crashes.
The code was previously:
fic,m %r23(%r26)
We're trying to flush kernel space at this point, so we can use any of
sr4-sr7. I suspect before we were putting sr0 in, which could have
been flushing any random space instead of the one we wanted. I'll
commit this change to the kernel source now.
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