Re: disabling group leader perf_event
From: Avi Kivity
Date: Wed Sep 08 2010 - 02:19:41 EST
On 09/08/2010 04:44 AM, Paul Mackerras wrote:
So... I would be interested to see you add the case for the MOV
instruction. :)
x86 32-bit segmentation.
Unfortunately those are limited to i386. With some care we could use
them on x86_64 (temporarily switch the address space to include the
"bytecode" and its data at the lower 4G, execute a far call to the
bytecode, etc.
It's cumbersome though, and will make context switches to the bytecode
quite slow.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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