From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: Why flush_cache_all() not including flushing L2 cache if the system has L2 cache?
Date: Mon, 2 Nov 2009 11:00:08 +0000 [thread overview]
Message-ID: <20091102110007.GC1133@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <4AEE44AD.4010604@gmail.com>
On Mon, Nov 02, 2009 at 10:32:13AM +0800, Peter Chen wrote:
> I met a problem if the address is first used by cachable, then
> uncachable. After that, the address will be filled with cachable value
> after that L2 cache line is evicted.
What _exactly_ are you trying to do? Why are you apparantly mapping
something in as cacheable, and then making it uncacheable?
next prev parent reply other threads:[~2009-11-02 11:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-02 2:32 Why flush_cache_all() not including flushing L2 cache if the system has L2 cache? Peter Chen
2009-11-02 3:42 ` Eric Miao
2009-11-02 10:43 ` Peter Chen
2009-11-02 11:00 ` Russell King - ARM Linux [this message]
2009-11-03 3:10 ` Peter Chen
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