From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B4E9D1812E for ; Mon, 14 Oct 2024 16:34:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ByjY4zwVoTMIgZw/BeUrTAknio6No+8Qr4CWUVmnQBM=; b=tHgsdnyVRFR7oA g9m5P9TAlsL9bUEmTPeqAZTuk8E9B270PsFLC3yUctVWvGgXCQdsoLEugTL5mlaPll1yCqihTcoEW hKhDjGp/GEOAn8+ntuSnRcVAD7HJECfrMXAdpRQi8XfQUIeaZk9DwEoSVktxyMetSPXoHkLOQJgQe b1FOpbzoDS/Z1/g30a18Cq6XMXgRHRUTqEz7kLo6Cq+F15Quw6TiyWvIKVO3IICzmGsR1R3F/Rr4q wqzqstZoa19QvGEkBn4uDIHtlCBA38M6toXrlzoZgcu0Mzdixa8Z+g7g0WhCNeBVSJqlktvsnSuck IY+TbOinhZNNK3FLQdVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t0O1u-00000005se8-28a7; Mon, 14 Oct 2024 16:34:46 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t0NzC-00000005s9k-1ofB; Mon, 14 Oct 2024 16:32:03 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id F1C62A42582; Mon, 14 Oct 2024 16:31:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92EACC4CEC3; Mon, 14 Oct 2024 16:31:49 +0000 (UTC) Date: Mon, 14 Oct 2024 17:31:47 +0100 From: Catalin Marinas To: Marc Zyngier Cc: Nathan Chancellor , Mark Brown , Will Deacon , Jonathan Corbet , Andrew Morton , Oliver Upton , James Morse , Suzuki K Poulose , Arnd Bergmann , Oleg Nesterov , Eric Biederman , Shuah Khan , "Rick P. Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , Kees Cook , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , Thiago Jung Bauermann , Ross Burton , David Spickett , Yury Khrustalev , Wilco Dijkstra , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v13 11/40] arm64/gcs: Provide basic EL2 setup to allow GCS usage at EL0 and EL1 Message-ID: References: <20241001-arm64-gcs-v13-0-222b78d87eee@kernel.org> <20241001-arm64-gcs-v13-11-222b78d87eee@kernel.org> <20241009204903.GA3353168@thelio-3990X> <86msjc56mi.wl-maz@kernel.org> <86h69i6bpy.wl-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <86h69i6bpy.wl-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241014_093158_684526_745CB069 X-CRM114-Status: GOOD ( 23.45 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, Oct 11, 2024 at 01:55:05PM +0100, Marc Zyngier wrote: > On Thu, 10 Oct 2024 18:16:52 +0100, > Catalin Marinas wrote: > > > > On Thu, Oct 10, 2024 at 04:18:13PM +0100, Marc Zyngier wrote: > > > From 20c98d2647c11db1e40768f92c5998ff5d764a3a Mon Sep 17 00:00:00 2001 > > > From: Marc Zyngier > > > Date: Thu, 10 Oct 2024 16:13:26 +0100 > > > Subject: [PATCH] KVM: arm64: Shave a few bytes from the EL2 idmap code > > > > > > Our idmap is becoming too big, to the point where it doesn't fit in > > > a 4kB page anymore. > > > > > > There are some low-hanging fruits though, such as the el2_init_state > > > horror that is expanded 3 times in the kernel. Let's at least limit > > > ourselves to two copies, which makes the kernel link again. > > > > > > At some point, we'll have to have a better way of doing this. > > > > > > Reported-by: Nathan Chancellor > > > Signed-off-by: Marc Zyngier > > > Link: https://lore.kernel.org/r/20241009204903.GA3353168@thelio-3990X > > > > Thanks Marc for the quick fix. It looks fine to me, it will keep the > > linker quiet for a while. I pushed it to arm64 for-kernelci for the time > > being, see if anything falls apart. I'll apply it properly once it gets > > a bit more testing. > > Works for me. But if that helps, I can also queue it as a KVM fix for > 6.12, leaving the GCS branch unencumbered. Just let me know. That would help, thanks. The for-kernelci branch merges the latest mainline rc anyway, so it will no longer blow up allmodconfig tests. -- Catalin _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv