From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 3EE27D3F0 for ; Fri, 18 Aug 2023 13:36:07 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 1F01AC86 for ; Fri, 18 Aug 2023 13:35:37 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Fri, 18 Aug 2023 13:35:35 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 207DE42800 for ; Fri, 18 Aug 2023 13:35:35 +0200 (CEST) From: Stoiko Ivanov To: pve-devel@lists.proxmox.com Date: Fri, 18 Aug 2023 13:35:08 +0200 Message-Id: <20230818113508.1614200-1-s.ivanov@proxmox.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.090 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pve-devel] [PATCH pve-kernel] d/rules: disable CONFIG_GDS_FORCE_MITIGATION X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Aug 2023 11:36:07 -0000 when not having installed an intel-microcode version containing the mitigation, this options disables AVX instructions, which breaks quite a lot of software (e.g. firefox, electron apps) Reported-by: Stefan Hanreich Tested-by: Stefan Hanreich Signed-off-by: Stoiko Ivanov --- quickly build a kernel with this and Stefan tested his reproducer from yesterday without an updated microcode. debian/rules | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/debian/rules b/debian/rules index 9a26a0bf4317..dac31d4e3749 100755 --- a/debian/rules +++ b/debian/rules @@ -98,7 +98,7 @@ PMX_CONFIG_OPTS= \ --set-str CONFIG_LSM lockdown,yama,integrity,apparmor \ -e CONFIG_PAGE_TABLE_ISOLATION \ -e CONFIG_ARCH_HAS_CPU_FINALIZE_INIT \ --e CONFIG_GDS_FORCE_MITIGATION +-d CONFIG_GDS_FORCE_MITIGATION debian/control: $(wildcard debian/*.in) sed -e 's/@@KVNAME@@/$(KVNAME)/g' < debian/proxmox-kernel.prerm.in > debian/$(PMX_KERNEL_PKG).prerm -- 2.39.2