On 06/27/2010 12:41 PM, Alexander Graf wrote:
Am 27.06.2010 um 10:22 schrieb Avi Kivity <avi@xxxxxxxxxx>:
On 06/26/2010 02:24 AM, Alexander Graf wrote:
While running in hooked code we need to store register contents out
because
we must not clobber any registers.
So let's add some fields to the shared page we can just happily
write to.
How are these protected during interrupts?
By the 'critical section' bit. When in a critical section (read: using
scratch registers), we don't issue interrupts.
Ok. I thought you needed scratch registers to set up the critical
section, but you don't. Neat stuff.
--
error compiling committee.c: too many arguments to function
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