Date: Mon, 26 Jun 2000 10:56:01 -0600 From: Warner Losh <imp@village.org> To: Mohana Krishna Penumetcha <pmk@sasi.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: PCI transaction ordering!!! Message-ID: <200006261656.KAA19938@harmony.village.org> In-Reply-To: Your message of "Mon, 26 Jun 2000 15:03:10 %2B0530." <Pine.LNX.4.10.10006261442590.25550-100000@pcd134.sasi.com> References: <Pine.LNX.4.10.10006261442590.25550-100000@pcd134.sasi.com>
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In message <Pine.LNX.4.10.10006261442590.25550-100000@pcd134.sasi.com> Mohana Krishna Penumetcha writes: : HP-UX device driver reference manual says, : "The side-effects of any write are not guaranteed to happen : immediately. Writes are posted; they will complete eventually" : to make sure all writes are flushed from the queue, it suggests to perform : a read operation. : : i would like to know if the above behaviour is same across all operating : systems, esp if it is the same in FreeBSD case also?? I think so. This is a hardware bridge issue. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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