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 6E93BC4167B for ; Mon, 27 Nov 2023 12:01:42 +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:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=5H/XBD4Dg58pYwI2ru7zBPQ4vM94n+kXbeg2ZCg3jac=; b=YK2fBwd2p3EQvNosY4cjuwAwMc /Lk6FMKL57PWqGr9bwnlBBe9yRf7CLpbPEA6vqFTRSG8btdLzjBgAbUnrbCCDC0WwZzBj4k7CJciH CQpEm9uvFw5YU5YuLwogfc35drFh1n5DrhydMNcdGSFKAFi40mX/B56L7QbDs/omNUMvRPH3syil8 u4OeMxESRzBMH0hfx4brElWiBSy9M41vEwIinT59K+pgDY44McvIt9mmz28S+ExO6okKmo/AvJZqa N1urQPEzrImxUObf3cepAhyNdsq+Jk6deXI+sVuAtngVbwNdtHAzkDT1EylySuBURVd6WZr7IO0jz HZIVRfeg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r7aIf-002P4Z-2D; Mon, 27 Nov 2023 12:01:17 +0000 Received: from mail-yb1-xb4a.google.com ([2607:f8b0:4864:20::b4a]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r7aIb-002P2c-2B for linux-arm-kernel@lists.infradead.org; Mon, 27 Nov 2023 12:01:14 +0000 Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-db4038d7cfdso3544787276.2 for ; Mon, 27 Nov 2023 04:01:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1701086470; x=1701691270; darn=lists.infradead.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=jP6utEGdlVAtaBIEgGVXERLf6sdxJYngGqlr0NaqNhs=; b=dmenQPJmj6ZOxqt8chd0v7imdPYN/h1cTbcniJQMOy6fiQfkGGv/At0dNg4qdKBo9d HsZ3ii2pIYp0uH/dzbQVELoJUKTWdkFVdKANpOVLUBrcc8gVTW1AiaXNKcqZUAhzHSzB pvO+uoPO6RtljW/eF43NPWAVMVLrCNaGpKSLV7WVO/rvq06WXSJlYhBznXkcS0YP1l22 AAhM4eByooufFutcqh9wKA4rGYaTL3qNNMYrxp8YD2UbBpw/0/nYy7zsz4bGR+q2lKuA weHHtO1U7vMeoY1637jONWOkNhbNDbG5i5JPdF5FpluW6XQv6mWj/dAspc0zu6pY+LiY 3mLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701086470; x=1701691270; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jP6utEGdlVAtaBIEgGVXERLf6sdxJYngGqlr0NaqNhs=; b=jlj4lLFXgP7tgP3qRxry+h/Q/mY6OuJKF1GKOmCD7ZwP5vkn7CIaidOcPMn2IbRL9V RG9n4BzYbN1A8owN5FdVYOgxBXFj4KEr75l65MVFzGVjqXHGhIR8DRo/Mqo/+gTqm4be YbJoPIfcea639IMnRyd3L2liAQrYN2rvLvWFVYgbcVnDYQ0HjpMpPGUxqJce+zu78xCz bYQxYxhJMPvyI/HwW8icY8ChpzsOb7/TXRV1E+4yNZj0Rx8roJb5YbnUopDmiYQiZTrJ bwJeG9mq7cQU/OWiA80IIrBZuZgjktKOp3o4qbvTBRwD+xfirWbuxgC/YxrstOmDuzcx MVAg== X-Gm-Message-State: AOJu0YzDAyHOcst5dJSXXduk+gMn7HE1nU/24+FWLbWHbvauI9FpLY1R AIx8eHB7tLkNKSNFFZ/LGCbULamHxFL0o4WnU1xQ9wWkQBhKpgV7Js882W+qywHSO4xIIBepkjV tiMOodwaGlMDvOPdCVUxfTBPzPvrXokHwgLq0fDs4e+V+54KwsxvxdhFHzCPM97M7Qcn+ZgNcl/ o= X-Google-Smtp-Source: AGHT+IF0LR4LiG9WgvlzrO58P/Gt57SnafpEesrVkDg6fZr2/3K8d435owbR9+r2VE1V1QP085m9vhO3 X-Received: from palermo.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:118a]) (user=ardb job=sendgmr) by 2002:a25:d081:0:b0:d9a:c946:c18c with SMTP id h123-20020a25d081000000b00d9ac946c18cmr387721ybg.6.1701086470600; Mon, 27 Nov 2023 04:01:10 -0800 (PST) Date: Mon, 27 Nov 2023 13:00:53 +0100 In-Reply-To: <20231127120049.2258650-5-ardb@google.com> Mime-Version: 1.0 References: <20231127120049.2258650-5-ardb@google.com> X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Developer-Signature: v=1; a=openpgp-sha256; l=916; i=ardb@kernel.org; h=from:subject; bh=vvlD7dhp6Z3c4pvVp/sdNuSIe9RGkjk9E2jXzSP6zAs=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JITWl5StXz+2D599ZH2S+03Ol1Oj/Kr2H21YLMp0ofdWqU 9sdxlPQUcrCIMbBICumyCIw+++7nacnStU6z5KFmcPKBDKEgYtTACayJ4GRYeXTvfVnVBjFp6cW Smnst5TIU50a8Skw9enKHHf/DXKh/IwMJ63nzQq74zs//XvupQmb3HZXz/S1e7xzZuMtpv3F76s l2AE= X-Mailer: git-send-email 2.43.0.rc1.413.gea7ed67945-goog Message-ID: <20231127120049.2258650-8-ardb@google.com> Subject: [PATCH v2 3/3] arm64: Kconfig: drop KAISER reference from KPTI option description From: Ard Biesheuvel To: linux-arm-kernel@lists.infradead.org Cc: Ard Biesheuvel , Catalin Marinas , Will Deacon , Marc Zyngier , Mark Rutland X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231127_040113_710999_5C61C1B9 X-CRM114-Status: GOOD ( 12.40 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Ard Biesheuvel KAISER is a reference to the KASLR hardening technique that already existed before Meltdown happened, and by now, it is sufficiently obscure that mentioning it does not actually clarify anything. So remove this reference, and replace it with KPTI. Signed-off-by: Ard Biesheuvel --- arch/arm64/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 7b071a00425d..b67e6934316f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1549,7 +1549,7 @@ config ARCH_FORCE_MAX_ORDER Don't change if unsure. config UNMAP_KERNEL_AT_EL0 - bool "Unmap kernel when running in userspace (aka \"KAISER\")" if EXPERT + bool "Unmap kernel when running in userspace (KPTI)" if EXPERT default y help Speculation attacks against some high-performance processors can -- 2.43.0.rc1.413.gea7ed67945-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel