Date: Wed, 01 Nov 2000 11:16:08 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: RE: cvs commit: src/sys/alpha/alpha interrupt.c src/sys/alpha/in Message-ID: <XFMail.001101111608.jhb@FreeBSD.org> In-Reply-To: <200011011840.KAA45927@freefall.freebsd.org>
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On 01-Nov-00 John Baldwin wrote: > jhb 2000/11/01 10:40:02 PST > > Modified files: > sys/alpha/alpha interrupt.c > sys/alpha/include intr.h > Log: > - Modify alpha_setup_intr() to take interrupt handler flags as an > additional > argument. These flags include INTR_FAST, INTR_MPSAFE, etc. > - Properly handle INTR_EXCL when it is passed in to allow an interrupt > handler to claim exclusive ownership of an interrupt thread. > - Add support for psuedo-fast interrupts on the alpha. For fast > interrupts, > we don't allocate an interrupt thread; instead, during dispatching of an > interrupt, we run the handler directly instead of scheduling the thread > to run. Note that the handler is currently run without Giant and must be > MP safe. The only fast handler currently is for the sio driver. > > Requested by: dfr I let this be tested by the -alpha list for several days and no one reported it as breaking anything, but I also only had a few reports that it didn't break things, most likely due to the fact that -current on an alpha is largely unstable right now for most alphas. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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