[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Making spl7 just cli/sti?

From: Samuel Thibault
Subject: Re: Making spl7 just cli/sti?
Date: Sun, 8 Mar 2015 11:57:56 +0100
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)


Justus Winter, le Sat 07 Mar 2015 10:51:18 +0100, a écrit :
> Quoting Samuel Thibault (2014-12-14 02:44:08)
> > The attached patch fixes this by making spl.S use just cli/sti for spl7;
> > they can be emulated fine without any VMEXIT.  This lowers the number of
> > PIC mask changes to a few hundreds or thousands only, and getting the
> > gnumach on kvm on kvm case way faster.
> Unfortunately this change breaks gnumach on xen:

Was this a kernel built with --enable-kdb?

Something which was incorrect for the Xen case was the IF checkup, which
I've now disabled.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]