From patchwork Fri May 29 16:01:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 11579209 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 4F29D139A for ; Fri, 29 May 2020 16:03:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 389722100A for ; Fri, 29 May 2020 16:03:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590768206; bh=FP/1CLpL1g11bHEoJwsk0NB/UGeBkvaq14LJgIbzugU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HZqvxMXEQ4Cz6XnNNzacqcNzz7UZFJB1r2jaP0yxOICuNg7UfBxIk/vZpImaCRLi6 K+NKEM2x/TOYzLj50XHAAGsPFlobZTGLj64Ejw8/O2vxz+IJ2boniSPCGIhE8wvkop UQV9GXdCjemgCLfVE0rIruKIudtRA7GgxOc89Ko0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727101AbgE2QDZ (ORCPT ); Fri, 29 May 2020 12:03:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:42780 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725865AbgE2QDY (ORCPT ); Fri, 29 May 2020 12:03:24 -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 AFBCC20814; Fri, 29 May 2020 16:03:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590768203; bh=FP/1CLpL1g11bHEoJwsk0NB/UGeBkvaq14LJgIbzugU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gqHR9wQnc2ov2SRPSLVaDJ4Gau9EhfLtqowd7PoIWPXKdchVUWzrMEqKzmHWm89Tr AbCIBCyoI5HahjKemetabTSwTUrR9EX1/AzfMsUSwSrpWCsuUy8jt7KSNcZFpcczm+ y0YtNWOhXZT4qhFn0jmBCWJoqIlBkCpPYUdddDFc= 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 1jehSL-00GJKc-VR; Fri, 29 May 2020 17:02:02 +0100 From: Marc Zyngier To: Paolo Bonzini Cc: Alexandru Elisei , Andrew Scull , Ard Biesheuvel , Christoffer Dall , David Brazdil , Fuad Tabba , James Morse , Jiang Yi , Keqian Zhu , Mark Rutland , Suzuki K Poulose , Will Deacon , Zenghui Yu , Julien Thierry , linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Subject: [PATCH 20/24] KVM: arm64: Add missing reset handlers for PMU emulation Date: Fri, 29 May 2020 17:01:17 +0100 Message-Id: <20200529160121.899083-21-maz@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200529160121.899083-1-maz@kernel.org> References: <20200529160121.899083-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, alexandru.elisei@arm.com, ascull@google.com, ardb@kernel.org, christoffer.dall@arm.com, dbrazdil@google.com, tabba@google.com, james.morse@arm.com, giangyi@amazon.com, zhukeqian1@huawei.com, mark.rutland@arm.com, suzuki.poulose@arm.com, will@kernel.org, yuzenghui@huawei.com, julien.thierry.kdev@gmail.com, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu 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 As we're about to become a bit more harsh when it comes to the lack of reset callbacks, let's add the missing PMU reset handlers. Note that these only cover *CLR registers that were always covered by their *SET counterpart, so there is no semantic change here. Reviewed-by: James Morse Signed-off-by: Marc Zyngier --- arch/arm64/kvm/sys_regs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 50e328ca1419..9d28eabbdf97 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1546,7 +1546,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 }, { SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 }, - { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, NULL, PMINTENSET_EL1 }, + { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 }, { SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 }, { SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 }, @@ -1585,8 +1585,8 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 }, { SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 }, - { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, NULL, PMCNTENSET_EL0 }, - { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, NULL, PMOVSSET_EL0 }, + { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 }, + { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 }, { SYS_DESC(SYS_PMSWINC_EL0), access_pmswinc, reset_unknown, PMSWINC_EL0 }, { SYS_DESC(SYS_PMSELR_EL0), access_pmselr, reset_unknown, PMSELR_EL0 }, { SYS_DESC(SYS_PMCEID0_EL0), access_pmceid },