From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: Re: [PATCH v2 1/3] ARM: catch pending imprecise abort on unmask Date: Fri, 16 Oct 2015 10:21:44 +0200 Message-ID: <1444983704.3180.4.camel@pengutronix.de> References: <1444905142-21500-1-git-send-email-l.stach@pengutronix.de> <1444905142-21500-2-git-send-email-l.stach@pengutronix.de> <20151015153246.GH32536@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20151015153246.GH32536@n2100.arm.linux.org.uk> 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: Russell King - ARM Linux 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 Am Donnerstag, den 15.10.2015, 16:32 +0100 schrieb Russell King - ARM Linux: > 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. > Do you feel like taking patches 2 and 3 through your tree too, given that they are already acked by the platform maintainers, or should they pick them up themselves? > I think, given that the original seems to be breaking platforms, this > patch needs to go into -rc kernels, right? > No, the original patch is only queued for 4.4, so the regression is only in -next. This patch only needs to make it into your 4.4 pull request. Thanks, Lucas -- Pengutronix e.K. | Lucas Stach | Industrial Linux Solutions | http://www.pengutronix.de/ |