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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 545C3C433DF for ; Thu, 30 Jul 2020 15:34:54 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 0E36D22BEA for ; Thu, 30 Jul 2020 15:34:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="CtoSejyc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E36D22BEA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BBEEC4B4DA; Thu, 30 Jul 2020 11:34:53 -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=@kernel.org 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 CMJdWnenzVU1; Thu, 30 Jul 2020 11:34:51 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 45AB74B484; Thu, 30 Jul 2020 11:34:51 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6D0F84B51A for ; Thu, 30 Jul 2020 11:34:49 -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 5V6hdDOD8kXp for ; Thu, 30 Jul 2020 11:34:48 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 7EFC54B4DE for ; Thu, 30 Jul 2020 11:34:48 -0400 (EDT) Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 46866208A9; Thu, 30 Jul 2020 15:34:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596123287; bh=ZdNue1e+38LJzrn6nycodEJrU6phVGlmi8JHb6gr5kQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CtoSejyc5sCcrY4cDSJWvDUEqSh2JemsTsmIceQ1WzlJIlFCLnPStTZC9dnEoNPzB /kfpfqumVWy1/3yAmzHLpF+s6AfamFTI5pVhOj1+fdOOyFfob3vv6tb7qGbnQPFh3u VJRmsDGEVAzthSC7BTvLUFXXcwfF5pkqPgSomHws= From: Will Deacon To: kvmarm@lists.cs.columbia.edu Subject: [PATCH 14/20] KVM: arm64: Convert memslot cache-flushing code to generic page-table API Date: Thu, 30 Jul 2020 16:34:00 +0100 Message-Id: <20200730153406.25136-15-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200730153406.25136-1-will@kernel.org> References: <20200730153406.25136-1-will@kernel.org> MIME-Version: 1.0 Cc: kernel-team@android.com, Marc Zyngier , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list 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 From: Quentin Perret Convert stage2_flush_memslot() to call the kvm_pgtable_stage2_flush() function of the generic page-table code instead of walking the page-table directly. Cc: Marc Zyngier Signed-off-by: Quentin Perret Signed-off-by: Will Deacon --- arch/arm64/kvm/mmu.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 30ade01cb179..bb2bf060a2ef 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -483,21 +483,10 @@ static void stage2_flush_p4ds(struct kvm_s2_mmu *mmu, pgd_t *pgd, static void stage2_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot) { - struct kvm_s2_mmu *mmu = &kvm->arch.mmu; phys_addr_t addr = memslot->base_gfn << PAGE_SHIFT; phys_addr_t end = addr + PAGE_SIZE * memslot->npages; - phys_addr_t next; - pgd_t *pgd; - - pgd = mmu->pgd + stage2_pgd_index(kvm, addr); - do { - next = stage2_pgd_addr_end(kvm, addr, end); - if (!stage2_pgd_none(kvm, *pgd)) - stage2_flush_p4ds(mmu, pgd, addr, next); - if (next != end) - cond_resched_lock(&kvm->mmu_lock); - } while (pgd++, addr = next, addr != end); + stage2_apply_range_resched(kvm, addr, end, kvm_pgtable_stage2_flush); } /** -- 2.28.0.rc0.142.g3c755180ce-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm