Date: Sat, 23 Jun 2001 18:18:48 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: RE: cvs commit: src/sys/alpha/alpha trap.c src/sys/i386/i386 tra Message-ID: <Pine.BSF.4.21.0106231804420.46668-100000@besplex.bde.org> In-Reply-To: <XFMail.010622164122.jhb@FreeBSD.org>
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On Fri, 22 Jun 2001, John Baldwin wrote: > At some point userret() and ast() really should be moved to a MI location. > userret() is already identical on all platforms, and ast() just needs one MD > macro for assigning the proper member of p_md to the passed in trapframe so > signals work for it to be MI. It would make updating these easier as well as > hopefully making it easier for new ports. ast() may need more than that. It already uses MD code for the defined(NPX) && !defined(SMP) case on i386's. My version of ast() doesn't use the mtr_intr_enable() wart for i386's, but other arches still need it. userret() has become very inefficient. I plan to remove the signal handling in it to ast(), and then it will be almost null. luoqi implemented this for SMPog. This is a MI optimization, but won't be so easy if ast() has to remain MD. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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