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 3EC35C77B7A for ; Tue, 16 May 2023 08:54:12 +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:MIME-Version:References:In-Reply-To: Subject:Cc:To:From:Message-ID:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sZtuUbn+i8JzRmbPmQNRpTmNr8X7bV4win30SkzVBo4=; b=kRu3ntwlsZeqJF gYpmuEKsiCiz9EdjQacegWmXTExYZhn2/60LC/dyEhNtyzNe0lc3GkL9I1At6/43zZjtVp0NslQpf /DSFZGjCz/+yLnyvoDCFvieEOWk3KdkW+XfTyxVaqFyZccQYbyYBKPAuwUfVSrU7zTG4RyTiDMLvV ZdUnW8gpgYc0J/C3Uj0ifUCqg3Z2S85RCoU5ZE0YUUKWm4OwZjUP44pwwtBalX/o+fTbDqgtq/9mk JawBlAkHQOgd39Ce3BCMsi64TZb2WN/qp9uEpUmKJjsRtNLERBCtMCG2Y5AgHJZMhlqko90Babu/o pojnoOcMG4sjUvhL0cSQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pyqRJ-004wJu-2U; Tue, 16 May 2023 08:53:49 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pyqRG-004wIZ-2w for linux-arm-kernel@lists.infradead.org; Tue, 16 May 2023 08:53:48 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4408C63667; Tue, 16 May 2023 08:53:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87D30C4339B; Tue, 16 May 2023 08:53:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684227225; bh=rNYZOhEk7g+B6g+R0ffXoeNDWLgHKddzy6beYn6meic=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=DOmg8iAQaesk2a4c2PPFaI5Ax3YrHvYGQvywA//XA6zpI0A2fFEsFaEijM5ihkZS8 kR2ALckmepS5I3+hvv7qSSzieabqkCtWxctv92EtqcX7hdQdok8DcPcf5wCAhvprlX p7M9pVgOBZAOBQ4cpKquMDwVepULcGH2afzCXIW2n09Hq43Ht5NMphcXFJUuaImNUo zX2124Rh1pz++Hh3TTwn+LElDCM/EA4YfSxhTuzukcz0e3lDwK6EnqiCt+cz61+LYb NWSEGR1Qkyk9OeLjG8X8DZI45Q0pulNVUtK5iuxCCB6yq7N1bso/HQXzqe7n8QNFQt KPDw22NBBKYhA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pyqRD-00FTMa-Bz; Tue, 16 May 2023 09:53:43 +0100 Date: Tue, 16 May 2023 09:53:43 +0100 Message-ID: <86fs7wmzc8.wl-maz@kernel.org> From: Marc Zyngier To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Mark Brown , linux-kernel@vger.kernel.org Subject: Re: [PATCH V3] arm64: Disable EL2 traps for BRBE instructions executed in EL1 In-Reply-To: <20230516083015.569248-1-anshuman.khandual@arm.com> References: <20230516083015.569248-1-anshuman.khandual@arm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/28.2 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: anshuman.khandual@arm.com, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, broonie@kernel.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230516_015346_992452_7757EFA9 X-CRM114-Status: GOOD ( 15.04 ) 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 On Tue, 16 May 2023 09:30:15 +0100, Anshuman Khandual wrote: > > This disables EL2 traps for BRBE instructions executed in EL1. This would > enable BRBE to be configured and used successfully in the guest kernel. > While here, this updates Documentation/arm64/booting.rst as well. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mark Brown > Cc: Marc Zyngier > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual Acked-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel