Jan Engelhardt wrote:
> kernel_fpu_begin();
> c = d * 3.14;
> kernel_fpu_end();
static inline void kernel_fpu_begin() {
...
preempt_disable();
...
}
Is the kernel allowed to clobber userspace's sse registers?
What about interrupt code?
xor.h at least appears to save the sse state before use.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
