From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH v2 1/3] ARM: catch pending imprecise abort on unmask Date: Thu, 15 Oct 2015 16:32:46 +0100 Message-ID: <20151015153246.GH32536@n2100.arm.linux.org.uk> References: <1444905142-21500-1-git-send-email-l.stach@pengutronix.de> <1444905142-21500-2-git-send-email-l.stach@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1444905142-21500-2-git-send-email-l.stach@pengutronix.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Lucas Stach Cc: Tony Lindgren , Hauke Mehrtens , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, patchwork-lst@pengutronix.de List-Id: linux-omap@vger.kernel.org On Thu, Oct 15, 2015 at 12:32:20PM +0200, Lucas Stach wrote: > Install a non-faulting handler just before unmasking imprecise aborts > and switch back to the regular one after unmasking is done. > > This catches any pending imprecise abort that the firmware/bootloader > may have left behind that would normally crash the kernel at that point. > As there are apparently a lot of bootlaoders out there that do such a > thing it makes sense to handle it in the common startup code. > > Signed-off-by: Lucas Stach Much better. Please feel free to add it to the patch system, thanks. I think, given that the original seems to be breaking platforms, this patch needs to go into -rc kernels, right? -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.