From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Thu, 01 Jul 2010 17:14:47 +0100 Subject: [patch 0/2] ARM: Disable outer cache before kexec call In-Reply-To: <20100701160206.539545857@linutronix.de> References: <20100701160206.539545857@linutronix.de> Message-ID: <1278000887.7482.12.camel@e102109-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Thomas, On Thu, 2010-07-01 at 17:05 +0100, Thomas Gleixner wrote: > The following patch series addresses the problem, that the kexec code > does not disable the outer cache before disabling the inner cache and > jumping into the new kernel. This results in random crashes of the new > kernel. We may need other ways to work around this problem. There are platforms like OMAP3 (I think) where the L2 cache cannot be disabled as Linux is running in non-secure (normal) mode. Cannot some extra cache flushing work around this problem? -- Catalin