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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF8FAC433F5 for ; Thu, 4 Nov 2021 00:26:25 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 6F820611EF for ; Thu, 4 Nov 2021 00:26:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6F820611EF Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 20FF44B12E; Wed, 3 Nov 2021 20:26:25 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TKNtfQ0Pj9bO; Wed, 3 Nov 2021 20:26:24 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 0BB5D4B13D; Wed, 3 Nov 2021 20:26:24 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3BB394B0CB for ; Wed, 3 Nov 2021 20:26:21 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VaxGn7hbCPaJ for ; Wed, 3 Nov 2021 20:26:20 -0400 (EDT) Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 8C3D34A3A5 for ; Wed, 3 Nov 2021 20:26:19 -0400 (EDT) Received: by mail-pg1-f201.google.com with SMTP id o1-20020a635d41000000b002bd97c0a03dso2407898pgm.4 for ; Wed, 03 Nov 2021 17:26:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=reply-to:date:in-reply-to:message-id:mime-version:references :subject:from:to:cc; bh=A6RNuBqUgsG4d2AkEOuVD6njvyuDvF4HW/gggxH+5XA=; b=OEQtzcgzg8iUsXNKyYwVPMo1zK+4Kr5qoKxGqBuItQV2mlefdBnexzTvsQV8x7tFLB DJ7N1H9zaKUjIJM9lgUrmNBtCvPaEhJRmE75YYyGNfGHftU+r7zpZ5tAJxYDGkRZ5UaN eCFKKjVPfyvAv1MPQ+W3cG8F1U785VZ2TB/bCNeburay+vZTg802nta3hX92M+l5e/kY v9PkejhG6TTnKgDhaZRjUpks89CX+RjAuwRAYXLN4sVhejbhHruqwLuHdy9a63l08zeG UQHlhHNETrOYUd9aJ76VJnvg16EQRO47SPl2LKCIPj/pp3bTuMRIyoksJkM8yu5B2mRm sSDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:reply-to:date:in-reply-to:message-id :mime-version:references:subject:from:to:cc; bh=A6RNuBqUgsG4d2AkEOuVD6njvyuDvF4HW/gggxH+5XA=; b=aRP5itH/JD+mk/TovLc6zCqoUT7NFewnybom+itFjGCI963XE7hIDBImIgNW1wbYG3 QHU3CBSUU+nkbTDn83oUvZkVBAKIPhsVfSF1kGaP70Epo4eCWnTEgKdqnRgsS1Cydhva +JL5VF3NqmxNJ2WUdvXa5jFP8hDVI233WdePU62N5j1j+7yHlNsyQLWSlzYo1i62Fn+G MwOb/sjfmC4uYNUsmohT0VDNc9GW8OerErkbr93NWgI3MNmXP0VfAQYWD9ccumvjrhb1 zF15PmRemEqg/zwjJ+65wLOe3Yqxn9aCh2nb/3uLars/rnZV8pYZDx05sR+3kzmgh95+ Jj2w== X-Gm-Message-State: AOAM530on5DvRta2OL1r22A622JN4HL42RbSzp1889MsiKf2pe2EdbYy veZqf/eKLCpMrrdNR0kFptU9zaJOurE= X-Google-Smtp-Source: ABdhPJwlGR9LbkwslcTVo23oQzDGM/4MShAybN51snLAMyuOhBW32wf0LbVvAKT8z91bQYBzxg51jn3JWKY= X-Received: from seanjc.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3e5]) (user=seanjc job=sendgmr) by 2002:a05:6a00:2181:b0:44c:f4bc:2f74 with SMTP id h1-20020a056a00218100b0044cf4bc2f74mr47624205pfi.68.1635985578784; Wed, 03 Nov 2021 17:26:18 -0700 (PDT) Date: Thu, 4 Nov 2021 00:25:13 +0000 In-Reply-To: <20211104002531.1176691-1-seanjc@google.com> Message-Id: <20211104002531.1176691-13-seanjc@google.com> Mime-Version: 1.0 References: <20211104002531.1176691-1-seanjc@google.com> X-Mailer: git-send-email 2.33.1.1089.g2158813163f-goog Subject: [PATCH v5.5 12/30] KVM: x86: Use "new" memslot instead of userspace memory region From: Sean Christopherson To: Marc Zyngier , Huacai Chen , Aleksandar Markovic , Paul Mackerras , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Paolo Bonzini Cc: Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , linux-kernel@vger.kernel.org, Atish Patra , Ben Gardon , "Maciej S . Szmigiero" , Claudio Imbrenda , linux-riscv@lists.infradead.org, Joerg Roedel , kvmarm@lists.cs.columbia.edu, kvm-ppc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jim Mattson , Cornelia Huck , linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, Vitaly Kuznetsov X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Sean Christopherson List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Get the number of pages directly from the new memslot instead of computing the same from the userspace memory region when allocating memslot metadata. This will allow a future patch to drop @mem. No functional change intended. Signed-off-by: Sean Christopherson --- arch/x86/kvm/x86.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index aa2abca47af0..c68e7de9f116 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -11646,9 +11646,9 @@ int memslot_rmap_alloc(struct kvm_memory_slot *slot, unsigned long npages) } static int kvm_alloc_memslot_metadata(struct kvm *kvm, - struct kvm_memory_slot *slot, - unsigned long npages) + struct kvm_memory_slot *slot) { + unsigned long npages = slot->npages; int i, r; /* @@ -11733,8 +11733,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, enum kvm_mr_change change) { if (change == KVM_MR_CREATE || change == KVM_MR_MOVE) - return kvm_alloc_memslot_metadata(kvm, new, - mem->memory_size >> PAGE_SHIFT); + return kvm_alloc_memslot_metadata(kvm, new); if (change == KVM_MR_FLAGS_ONLY) memcpy(&new->arch, &old->arch, sizeof(old->arch)); -- 2.33.1.1089.g2158813163f-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm