From patchwork Tue Jun 9 08:49:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 11594919 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C876E739 for ; Tue, 9 Jun 2020 08:49:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A787B20814 for ; Tue, 9 Jun 2020 08:49:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591692585; bh=DTLwx+4FGcD1qdI1v5kAz9K25967wcxylJEAbdulMwk=; h=From:To:Cc:Subject:Date:List-ID:From; b=ZAsiH8lH3//4W8x47o7rxaEqmCqLI2uSE3RV5JLfFfc1onarudGZQUrVCFiDWY7ej As7Qdtg8T7gFRXumEnV7r2lF325lO5Fzi/aCopTlzVcggg20irrrM6wdvVAs4pjJAt AcWWKvjKMW2Bx3FSkQom81wcR2Ck+qi/3RPQcGBI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728342AbgFIIto (ORCPT ); Tue, 9 Jun 2020 04:49:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:38252 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728336AbgFIItl (ORCPT ); Tue, 9 Jun 2020 04:49:41 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4B054207C3; Tue, 9 Jun 2020 08:49:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591692581; bh=DTLwx+4FGcD1qdI1v5kAz9K25967wcxylJEAbdulMwk=; h=From:To:Cc:Subject:Date:From; b=ytgOPaxFBmwQdjr6FKBkwvu6yN10vCR0Bl4hXjVrLMhediqGY6bm+xtmxvKssX6yG vgYgCLA1k/s5X94SWV05hls/Gwxob2+qr0O8bTxRogYBzetvlxU54RihVoy56OoEoF 1KLUpYDyXrc3KCdw6rwhEh5rFK9RbnH4RWcCzOAc= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jiZwx-001PEa-J5; Tue, 09 Jun 2020 09:49:39 +0100 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse , Julien Thierry , Suzuki K Poulose , kernel-team@android.com Subject: [PATCH 0/2] KVM: arm64: Additional 32bit fixes Date: Tue, 9 Jun 2020 09:49:19 +0100 Message-Id: <20200609084921.1448445-1-maz@kernel.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Here's a couple of patches that address the issues that James mentionned in [1], affecting 32bit guests. I lack a BE-capable host to properly test the first patch, but it is obviously correct (ha! ;-). [1] https://lore.kernel.org/r/20200526161834.29165-1-james.morse@arm.com Marc Zyngier (2): KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception arch/arm64/include/asm/kvm_host.h | 10 ++++++++-- arch/arm64/kvm/aarch32.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 2 deletions(-)