Date: Tue, 21 Nov 2000 08:52:23 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Andrew Gallatin <gallatin@freebsd.org> Cc: cvs-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/alpha/pci cia.c Message-ID: <Pine.BSF.4.21.0011210850450.247-100000@salmon.nlsystems.com> In-Reply-To: <200011210325.TAA03038@freefall.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 20 Nov 2000, Andrew Gallatin wrote: > gallatin 2000/11/20 19:25:31 PST > > Modified files: > sys/alpha/pci cia.c > Log: > fix isa DMA on pyxis based machines: > - move the call to cia_init_sgmap() to after we've determined if we're a pyxis > - convert needed splhigh() in cia_sgmap_invalidate_pyxis() to disable_intr() > > Previously, any isa DMA on a pyxis based machine would cause a panic > in cia_sgmap_invalidate_pyxis() because the pyxis workaround was never > setup. > > - while i'm at it, convert needed splhigh() in cia_swiz_set_hae_mem to > disable_intr() I'm just testing a patch to use a mutex in sgmap.c to protect the sgmap data structures. This ought to be sufficient to protect the cia bits too - I'll see what happens if I remove the disable_intr() bits from the cia sgmap code. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0011210850450.247-100000>