Re: patch review: avoid com delay() in VMs

Martin Husemann <[email protected]>
Newsgroups gmane.os.netbsd.devel.kernel
Message-ID <[email protected]> 
On Fri, Feb 07, 2025 at 09:18:15AM +0100, Manuel Bouyer wrote:
> timo looks way too low to me.
> On a multi-gHz CPU, counting from 10000 to 0 doens't even let you send
> one byte at 9600bds.

The CSR_READ_1() is an io port access, so on real hardware this should cause
significant delays in each iteration.

Martin
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