I just grepped in /boot/config* and can confirm that a default 5.18
kernel in Debian has it enabled.

Am 25.07.2022 um 11:44 schrieb Rod Webster:
 From what I can see,
CONFIG_X86_IOPL_IOPERM should be enabled in the kernel by default
https://github.com/torvalds/linux/blob/master/arch/x86/Kconfig#L1248



Rod Webster
*1300 896 832*
+61 435 765 611
Vehicle Modifications Network
www.vehiclemods.net.au


On Mon, 25 Jul 2022 at 19:18, andy pugh <bodge...@gmail.com> wrote:

On Mon, 25 Jul 2022 at 05:37, Alec Ari via Emc-developers
<emc-developers@lists.sourceforge.net> wrote:

Having CONFIG_X86_IOPL_IOPERM disabled was the problem, took me a bit to
figure it out.

Is that the case in the officially distributed preempt kernels? If so,
then we might have a problem looming.

--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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