From: Roland Dreier <rdreier@cisco.com>
To: lsorense@csclub.uwaterloo.ca (Lennart Sorensen)
Cc: takada <takada@mbf.nifty.com>,
pcnet32@verizon.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: MediaGX/GeodeGX1 requires X86_OOSTORE.
Date: Mon, 19 Feb 2007 11:48:27 -0800 [thread overview]
Message-ID: <ada3b5253p0.fsf@cisco.com> (raw)
In-Reply-To: <20070219145514.GO7582@csclub.uwaterloo.ca> (Lennart Sorensen's message of "Mon, 19 Feb 2007 09:55:14 -0500")
> Does anyone know if there is any way to flush a cache line of the cpu to
> force rereading system memory for a given address or address range?
There is the "clflush" instruction, but not all x86 CPUs support it.
You need to check the CPUID flag to know for sure (/proc/cpuinfo will
show a "clflush" flag if it is supported).
next prev parent reply other threads:[~2007-02-19 19:48 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-16 16:21 Re: Strange connection slowdown on pcnet32 pcnet32
2007-02-16 17:21 ` Lennart Sorensen
2007-02-16 20:23 ` Lennart Sorensen
2007-02-16 21:01 ` Lennart Sorensen
2007-02-16 22:27 ` Lennart Sorensen
2007-02-16 22:48 ` MediaGX/GeodeGX1 requires X86_OOSTORE. (Was: Re: Strange connection slowdown on pcnet32) Lennart Sorensen
2007-02-17 0:00 ` Lennart Sorensen
2007-02-17 14:11 ` MediaGX/GeodeGX1 requires X86_OOSTORE takada
2007-02-17 15:07 ` Lennart Sorensen
2007-02-19 14:55 ` Lennart Sorensen
2007-02-19 19:48 ` Roland Dreier [this message]
2007-02-19 19:57 ` Lennart Sorensen
2007-02-19 23:56 ` takada
2007-02-20 0:02 ` Lennart Sorensen
2007-02-20 11:34 ` takada
2007-02-20 14:48 ` Lennart Sorensen
2007-03-15 5:39 ` takada
2007-03-15 17:31 ` Lennart Sorensen
2007-03-17 13:08 ` takada
2007-03-19 18:23 ` Lennart Sorensen
2007-02-19 20:11 ` Re: Strange connection slowdown on pcnet32 Lennart Sorensen
2007-02-19 22:18 ` Lennart Sorensen
2007-02-19 22:29 ` Lennart Sorensen
2007-02-19 23:45 ` Lennart Sorensen
2007-02-19 23:59 ` Lennart Sorensen
2007-02-20 21:44 ` Lennart Sorensen
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