From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: Add SWP/SWPB emulation for ARMv7 processors (v2)
Date: Fri, 18 Dec 2009 20:03:07 +0000 [thread overview]
Message-ID: <20091218200307.GJ5527@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20091218195432.GC1205@shareable.org>
On Fri, Dec 18, 2009 at 07:54:32PM +0000, Jamie Lokier wrote:
> There might be thread synchronisation code using SWP/SWPB on shared
> memory which gets mapped uncached to prevent aliasing.
The shared mmap fixup doesn't get triggered on ARMv7 (or any VIPT
ARM cached system). Such fixup is only applicable to VIVT ARMs.
next prev parent reply other threads:[~2009-12-18 20:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-18 18:04 [PATCH] ARM: Add SWP/SWPB emulation for ARMv7 processors (v2) Leif Lindholm
2009-12-18 18:20 ` Russell King - ARM Linux
2009-12-18 19:48 ` Jamie Lokier
2009-12-18 20:01 ` Russell King - ARM Linux
2009-12-18 19:54 ` Jamie Lokier
2009-12-18 20:03 ` Russell King - ARM Linux [this message]
2009-12-19 17:18 ` Catalin Marinas
2009-12-19 17:28 ` Russell King - ARM Linux
2010-01-04 18:18 ` Leif Lindholm
2010-01-04 19:34 ` Jamie Lokier
2010-01-05 18:09 ` Leif Lindholm
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