From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Wed, 16 Mar 2016 21:59:53 -0400 Subject: [U-Boot] [U-Boot,v5,02/30] arm64: Disable TTBR1 maps in EL1 In-Reply-To: <1457050214-117592-3-git-send-email-agraf@suse.de> References: <1457050214-117592-3-git-send-email-agraf@suse.de> Message-ID: <20160317015953.GJ23166@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Fri, Mar 04, 2016 at 01:09:46AM +0100, Alexander Graf wrote: > When running in EL1, AArch64 knows two page table maps. One with addresses > that start with all zeros (TTBR0) and one with addresses that start with all > ones (TTBR1). > > In U-Boot we don't care about the high up maps, so just disable them to ensure > we don't walk an invalid page table by accident. > > Reported-by: Mark Rutland > Signed-off-by: Alexander Graf Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: