Displaying 2 results from an estimated 2 matches for "drop_init_fpu".
Xen PV ABI on FPU doesn't match with pvops kernel FPU code, reducing to a serious memory data damage
2013 Nov 07
0
Xen PV ABI on FPU doesn't match with pvops kernel FPU code, reducing to a serious memory data damage
...GKILL);
return;
}
local_irq_disable(); <<<< Here it closes
}
__thread_fpu_begin(tsk);
/*
* Paranoid restore. send a SIGSEGV if we fail to restore the state.
*/
if (unlikely(restore_fpu_checking(tsk))) {
drop_init_fpu(tsk);
force_sig(SIGSEGV, tsk);
return;
}
tsk->fpu_counter++;
}
]
This can cause serious data damage against xen pv guests (including
dom0 kernel), we have encountered this issue both in stress test and
production systems. Please take a look at
http://comments.gmane.org/...
Xen PV ABI on FPU doesn't match with pvops kernel FPU code, reducing to a serious memory data damage
2013 Nov 07
0
Xen PV ABI on FPU doesn't match with pvops kernel FPU code, reducing to a serious memory data damage
...GKILL);
return;
}
local_irq_disable(); <<<< Here it closes
}
__thread_fpu_begin(tsk);
/*
* Paranoid restore. send a SIGSEGV if we fail to restore the state.
*/
if (unlikely(restore_fpu_checking(tsk))) {
drop_init_fpu(tsk);
force_sig(SIGSEGV, tsk);
return;
}
tsk->fpu_counter++;
}
]
This can cause serious data damage against xen pv guests (including
dom0 kernel), we have encountered this issue both in stress test and
production systems. Please take a look at
http://comments.gmane.org/...