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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B4136C43638 for ; Tue, 30 Jun 2026 12:12:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=MhMYuSJn/njbleZrCYYytyjl/Ylqyhswa1SUamMnalg=; b=jlh9zHRFFfWqx7wXHm5vlNIF2L 7UuyBd2HqTD4BZfTajeLt1lMDssyh3/S0zDPTnjHpRQW8O5Y9DJOvCC0cF5EGQDRSDE5ebZLc3pYO I7mNEqZkbcjsoUFOZ35HxNofbZIr7Pz0/7LHYVDvoOMqVSBlRpk8qZxwNuUF2myHnM7fHFAnKq45Y lzQhBkJg7kr0bglmob7KKTDygzpkUC9ENL0UrDJZGHzazJ6sdZX4YX0W9utawcVdV7R58fpx/WNJL o2kakt0A5hmOGIFFmggt8WcnZZzclCgbIOUMG9cc8EVVDMTLuYNXU5RDUUcg82d76hm7bfXZt22Ch SI2sWkww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weXJh-0000000GwWS-09lT; Tue, 30 Jun 2026 12:11:53 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weXJN-0000000GwJL-0fhs for linux-arm-kernel@lists.infradead.org; Tue, 30 Jun 2026 12:11:38 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 477D9175A; Tue, 30 Jun 2026 05:11:28 -0700 (PDT) Received: from workstation-e142269.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9032C3F905; Tue, 30 Jun 2026 05:11:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1782821492; bh=28ACkWnLv7YMnNE//WvQjnBg78xe5Fk9GG40vt1q1ig=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lZrVIQJ6KwfHxRbspsdaaFLL4JY31qpds++E7hrs7ib/D87PWWSl46Cl/vUvoe79u 18xndfqem2wOolzhzsVmMS8Ycd67tHewNOJlgE66vihKtlwBHMUM6LPAu8eiQ5hH02 z3luARonf6fMy44CZ0L0EyAVhcU06wWp8XTjZfyU= From: Wei-Lin Chang To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Cc: Marc Zyngier , Oliver Upton , Fuad Tabba , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Itaru Kitayama , Sebastian Ene , Wei-Lin Chang Subject: [PATCH v2 4/6] KVM: arm64: ptdump: Factor out initialization of kvm_ptdump_guest_state Date: Tue, 30 Jun 2026 13:10:03 +0100 Message-ID: <20260630121005.1130996-5-weilin.chang@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260630121005.1130996-1-weilin.chang@arm.com> References: <20260630121005.1130996-1-weilin.chang@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260630_051137_386909_A1ECFDBC X-CRM114-Status: GOOD ( 11.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Extract the code for initializing kvm_ptdump_guest_state to allow reusing the same instance for dumping multiple page tables. Signed-off-by: Wei-Lin Chang --- arch/arm64/kvm/ptdump.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kvm/ptdump.c b/arch/arm64/kvm/ptdump.c index 752d8e0cd25c..0c9647666e65 100644 --- a/arch/arm64/kvm/ptdump.c +++ b/arch/arm64/kvm/ptdump.c @@ -112,6 +112,23 @@ static int kvm_ptdump_build_levels(struct ptdump_pg_level *level, u32 start_lvl) return 0; } +static int kvm_ptdump_parser_init(struct kvm_ptdump_guest_state *st, struct kvm *kvm, + struct kvm_pgtable *pgt) +{ + int ret; + + ret = kvm_ptdump_build_levels(&st->level[0], pgt->start_level); + if (ret) + return ret; + + st->ipa_marker[0].name = "Guest IPA"; + st->ipa_marker[1].start_address = BIT(pgt->ia_bits); + + st->kvm = kvm; + + return 0; +} + static struct kvm_ptdump_guest_state *kvm_ptdump_parser_create(struct kvm *kvm) { struct kvm_ptdump_guest_state *st; @@ -129,17 +146,13 @@ static struct kvm_ptdump_guest_state *kvm_ptdump_parser_create(struct kvm *kvm) } pgtable = kvm->arch.mmu.pgt; + ret = kvm_ptdump_parser_init(st, kvm, pgtable); - ret = kvm_ptdump_build_levels(&st->level[0], pgtable->start_level); if (ret) { kfree(st); return ERR_PTR(ret); } - st->ipa_marker[0].name = "Guest IPA"; - st->ipa_marker[1].start_address = BIT(pgtable->ia_bits); - - st->kvm = kvm; return st; } -- 2.43.0