From patchwork Wed Dec 1 12:04:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 12649813 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82B12C433F5 for ; Wed, 1 Dec 2021 12:04:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349158AbhLAMII (ORCPT ); Wed, 1 Dec 2021 07:08:08 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:54956 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349149AbhLAMIG (ORCPT ); Wed, 1 Dec 2021 07:08:06 -0500 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 ams.source.kernel.org (Postfix) with ESMTPS id DBB38B81E66 for ; Wed, 1 Dec 2021 12:04:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 933F5C53FD5; Wed, 1 Dec 2021 12:04:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638360283; bh=Y6IbRR56aDBvOEwfHFjAMyQtTO8uqhozFSDwo/ky2ns=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YN1GaPrx/T6NoF83PBD2sJAU8axpY/DJNuNmfyPL0k+YK99dj/KanCPPzfzTJZnQT RB8hjrkxWGe6I8rQOnlRzPGkiw4EaBQFC1oIljh9GhVyntlMld7MkyxKygxgHhfb7R dp+8KFkLQPh9Sd/85zeQtT3ANp3OU5S7kLqlXMFrzrOsphjqMVSVEJppiwANhL91n+ 4Y1s+wclBSDFuIvYYo++8MV5gE6Klkb/Dh57qDwdyWHbQDsYF9aYf6h4WntHSz4UOO 96b03Kod2LHpKIIGYj8MKqYtp6rjcTUT+MSrfAoxkzGpei7tN0Kr7ekfM6JS0hBpWJ LFsh2kvg98k/Q== Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1msOLp-0097Ab-OS; Wed, 01 Dec 2021 12:04:41 +0000 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse , Suzuki K Poulose , Alexandru Elisei , Quentin Perret , Will Deacon , broonie@kernel.org, Zenghui Yu , kernel-team@android.com Subject: [PATCH v3 3/6] KVM: arm64: Remove unused __sve_save_state Date: Wed, 1 Dec 2021 12:04:33 +0000 Message-Id: <20211201120436.389756-4-maz@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211201120436.389756-1-maz@kernel.org> References: <20211201120436.389756-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, qperret@google.com, will@kernel.org, broonie@kernel.org, yuzenghui@huawei.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 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Now that we don't have any users left for __sve_save_state, remove it altogether. Should we ever need to save the SVE state from the hypervisor again, we can always re-introduce it. Suggested-by: Zenghui Yu Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/kvm_hyp.h | 1 - arch/arm64/kvm/hyp/fpsimd.S | 6 ------ 2 files changed, 7 deletions(-) diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h index 5afd14ab15b9..462882f356c7 100644 --- a/arch/arm64/include/asm/kvm_hyp.h +++ b/arch/arm64/include/asm/kvm_hyp.h @@ -90,7 +90,6 @@ void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu); void __fpsimd_save_state(struct user_fpsimd_state *fp_regs); void __fpsimd_restore_state(struct user_fpsimd_state *fp_regs); -void __sve_save_state(void *sve_pffr, u32 *fpsr); void __sve_restore_state(void *sve_pffr, u32 *fpsr); #ifndef __KVM_NVHE_HYPERVISOR__ diff --git a/arch/arm64/kvm/hyp/fpsimd.S b/arch/arm64/kvm/hyp/fpsimd.S index e950875e31ce..61e6f3ba7b7d 100644 --- a/arch/arm64/kvm/hyp/fpsimd.S +++ b/arch/arm64/kvm/hyp/fpsimd.S @@ -25,9 +25,3 @@ SYM_FUNC_START(__sve_restore_state) sve_load 0, x1, x2, 3 ret SYM_FUNC_END(__sve_restore_state) - -SYM_FUNC_START(__sve_save_state) - mov x2, #1 - sve_save 0, x1, x2, 3 - ret -SYM_FUNC_END(__sve_save_state)