pmnis / xhyp Goto Github PK
View Code? Open in Web Editor NEWXhyp is a small hypervisor currently for ARM architecture only
Home Page: http://x-hyp.org/
xhyp's Issues
Fishy use of DSTATE_RMASK
DSTATE_RMASK seems to be a mask but is sometime used as a boolean:
kernel/sched_posix.c: if (!(current->state && DSTATE_RMASK))
This test is probably wrong, should probably be binary and &
use of uninitialized value
introduced in 37e0a0c
the value of retval is returned not initialized when case 2
in kernel/hypercalls.c line 504
int hyp_cpuctrl(void)
{
unsigned long cp;
unsigned long retval;
deb_printf(DEB_CALL, "BEGIN\n");
cp = (int) _context->regs.regs[0];
switch (cp) {
case 0:
retval = _get_c0();
break;
case 1:
retval = _get_c1();
break;
case 2:
break;
}
deb_printf(DEB_HYP, "END: 0x%08x\n", retval);
return retval;
}
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