From patchwork Sun May 17 04:05:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huacai Chen X-Patchwork-Id: 11553869 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 2374B913 for ; Sun, 17 May 2020 04:07:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B838207BB for ; Sun, 17 May 2020 04:07:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="B2yMKegh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726457AbgEQEHA (ORCPT ); Sun, 17 May 2020 00:07:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726279AbgEQEHA (ORCPT ); Sun, 17 May 2020 00:07:00 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14E59C061A0C; Sat, 16 May 2020 21:07:00 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id nu7so501286pjb.0; Sat, 16 May 2020 21:07:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=j/OSBdV9DXY2ETWsIc3eeYNxFXzAjwLns12YdEbp9AY=; b=B2yMKeghdKEalQL1S/6cpbziQB/gYSCUjWQq8KZc7BlNnE15ZV1g+FNLK1L12KtzKW zaUeGEGitoqvSfLH7ELQw5N0AYwW2CL5qnB9zdZxLI4CjdAt88AkdaJVuakXOkTabRWQ rq8B4t5xY98WbScJYvwcio9LlKB0bVooVyDve/r5pLS9PpCCyDIzUHYP390kzISUHf/T ihSmj0mZr2uHCWtqO4dB8JdS3o8hRiv6odiNAxIj/Hn9bp4J6iYFawkSjIgUXyKMPI1o YHcqawQ/MEmLSs+vBvQZdByS7zKZAnwrM0wQo7+Gm8CeA+nBrooTFuXp2/mKFe8PQz5/ eB9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=j/OSBdV9DXY2ETWsIc3eeYNxFXzAjwLns12YdEbp9AY=; b=eoyadwHHLY9BkPo5UoEMHeDubb1HqlRBC19RMy27aEyAxoH3m9Ujhel7xpDehgtwIO 5xLhl1vHJpZJ0ePcvUQROvoLwcl6lCQpJdSwOCW6g1Rwdnnlwm/87K1Cf2HiE8seLpMd g3xgGTcZQ6ZjRMdAUwA6qOWSvXT++0gv9SAycaJekKx75fESl4FuEOLWhPMqmXsTAPoc 6sOTX74Gu4ctkv9H/X+WZT/BFfvouVx+c3KuumX2pj7Fv5k/kcEtmejKAYpLpCngnHTG ORBwiNXKXIMhwUPKRG6CjYJXBIH+ImMhwRGVbLHAFHqmg06xEc0/hQrUrsracXUyfXxJ eIxw== X-Gm-Message-State: AOAM530JNDTYKiqzrVTh7OCzS/wWsRaSCGYbdGQa1sTexPn8PO8zd4PI M8U+qKByjESDPYZosyq6J8g= X-Google-Smtp-Source: ABdhPJwdG4WjNuaZ0mEN6ll9DPFldhOiQbQ7WYxPL89UBUCmDLxP9iYuwEuUDqbnsoa+kQZPOuUbAw== X-Received: by 2002:a17:90a:ee85:: with SMTP id i5mr11721106pjz.165.1589688419666; Sat, 16 May 2020 21:06:59 -0700 (PDT) Received: from software.domain.org (28.144.92.34.bc.googleusercontent.com. [34.92.144.28]) by smtp.gmail.com with ESMTPSA id n9sm5081630pjt.29.2020.05.16.21.06.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 16 May 2020 21:06:59 -0700 (PDT) From: Huacai Chen To: Paolo Bonzini , Thomas Bogendoerfer , Aleksandar Markovic Cc: kvm@vger.kernel.org, linux-mips@vger.kernel.org, Fuxin Zhang , Huacai Chen , Jiaxun Yang , Xing Li , stable@vger.kernel.org, Huacai Chen Subject: [PATCH V6 01/15] KVM: MIPS: Define KVM_ENTRYHI_ASID to cpu_asid_mask(&boot_cpu_data) Date: Sun, 17 May 2020 12:05:58 +0800 Message-Id: <1589688372-3098-2-git-send-email-chenhc@lemote.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1589688372-3098-1-git-send-email-chenhc@lemote.com> References: <1589688372-3098-1-git-send-email-chenhc@lemote.com> Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Xing Li The code in decode_config4() of arch/mips/kernel/cpu-probe.c asid_mask = MIPS_ENTRYHI_ASID; if (config4 & MIPS_CONF4_AE) asid_mask |= MIPS_ENTRYHI_ASIDX; set_cpu_asid_mask(c, asid_mask); set asid_mask to cpuinfo->asid_mask. So in order to support variable ASID_MASK, KVM_ENTRYHI_ASID should also be changed to cpu_asid_mask(&boot_cpu_data). Cc: stable@vger.kernel.org Reviewed-by: Aleksandar Markovic Signed-off-by: Xing Li [Huacai: Change current_cpu_data to boot_cpu_data for optimization] Signed-off-by: Huacai Chen --- arch/mips/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 2c343c3..a01cee9 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -275,7 +275,7 @@ enum emulation_result { #define MIPS3_PG_FRAME 0x3fffffc0 #define VPN2_MASK 0xffffe000 -#define KVM_ENTRYHI_ASID MIPS_ENTRYHI_ASID +#define KVM_ENTRYHI_ASID cpu_asid_mask(&boot_cpu_data) #define TLB_IS_GLOBAL(x) ((x).tlb_lo[0] & (x).tlb_lo[1] & ENTRYLO_G) #define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK) #define TLB_ASID(x) ((x).tlb_hi & KVM_ENTRYHI_ASID)