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/******************************************************************************
* multicall.c
*/
#include <xen/config.h>
#include <xen/types.h>
#include <xen/lib.h>
#include <xen/mm.h>
#include <xen/perfc.h>
#include <xen/sched.h>
#include <xen/event.h>
#include <xen/multicall.h>
struct mc_state mc_state[NR_CPUS];
long do_multicall(multicall_entry_t *call_list, unsigned int nr_calls)
{
struct mc_state *mcs = &mc_state[smp_processor_id()];
unsigned int i;
if ( unlikely(__test_and_set_bit(_MCSF_in_multicall, &mcs->flags)) )
{
DPRINTK("Multicall reentry is disallowed.\n");
return -EINVAL;
}
if ( unlikely(!array_access_ok(VERIFY_WRITE, call_list,
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