Re: 2.3.99-pre9.1, changed IOAPIC vectors and vmware

From: Ingo Molnar (mingo@redhat.com)
Date: Mon May 15 2000 - 11:05:08 EST


On Mon, 15 May 2000, Petr Vandrovec wrote:

> Hi Ingo,
> was there good reason for moving software IPI calls from
> vectors 0x30/0x40/0x41 to 0xfd/0xfc/0xfb ? It brokes again

yep, TLB-flush wants to have low latency. But frankly, as far
as i see it VMWare does not care too much about Linux (otherwise
we'd see contributions from them), so why should Linux care
about VMWare?

> VMware vmmon/vmnet (like every previous 2.3.99-preX did... are we
> really in any freeze?!), finaly moving it into state where
> it is not possible to fix it in vmmon code and change to VMware's
> non-GPLed code is required :-( [...]

(as you probably know, they could get the fixes for free if they put those
parts under the GPL and if they'd work a bit on integrating the kernel
part of their virtual-PC framework into the Linux kernel.)

> [...] [ok, I can try to create binary patch for
> vmware binary, but before I'll try that I'd like to know whether this
> is last IPI vectors move before 2.4.0 ;-) ]

it's unlikely that they move again until 2.4.0.

        Ingo

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