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 8DC3410ED64A for ; Fri, 27 Mar 2026 11:37:17 +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=eYDydTf6oyVDmClkCBu9tc7/UCL1TAmrdZNjMVHqy2Q=; b=b2SWxwouPuJqgnzdZAuyer8Ykv bt3N2kDhXrg9mKKaIfXXEY4CZer6x1ZSVix3DAratI/QOHCnC39L+4dXTL/DtpKjYOUkPGnFlGgcM BoxSrXSPst0g/9kisbkwpK/bK3EaRAUhB1YKxyG5cp+tBuyqo0Pp+9snHjiJOmoiitz0EQntoq27m wwSRComkXom1FIBH8hqcdW07WoeBSwf5CmxhDODm6Jmb87UboXlrKED2FdSmlHYfg43TMLRZn2VVq NDub+HBdXo3sVwphPyI/f7Ep0EE2A8a09UpK80o6ceiZiklCf1IG45xX5V7kK332WoCBZyXC4+3j+ u9n0I+Gw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w65Uu-00000007Fpx-2PJl; Fri, 27 Mar 2026 11:37:04 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w65UN-00000007F56-2YY0 for linux-arm-kernel@lists.infradead.org; Fri, 27 Mar 2026 11:36:34 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 7C2BF4473E; Fri, 27 Mar 2026 11:36:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E85CC2BCB5; Fri, 27 Mar 2026 11:36:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774611391; bh=DX7aaCvaBWxdbCRuXoGc5YzRwc4DA18NuzPAQdjcd0k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZIpdiGBrKxpULDWAqEXqsGUizeVPFrS2LckaFMPTszUTCMO4dTzmFnhhZteX4ZxoR iijcGCBOOpJTWamqzf5sCWqKlQC7Sx/qX3vkmYhOGWI6BzepVFuOd2FOZzBINRlheV 5suedTlyUcWHY1kKevszZbNpzAjr8OYIhtyfwDWqccwTygmOUX3Hk0oJ5wQEzYi0YD NeOruieJJSLmBTd9DqhUmF2HQQOhh0ugCw1ZcgI8L1gl9KFBoTFLGnTkqHiqv0VDCO T7N2cZ8Li5BAFSBMa3cCzSc8Am/dK9oMccXesf0d2JzFfCgFqGtM+b2nCHbaoDqE4a glfTEJXVhUwhA== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1w65UL-00000006K4a-1XHZ; Fri, 27 Mar 2026 11:36:29 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Fuad Tabba , Will Deacon , Quentin Perret Subject: [PATCH v2 30/30] KVM: arm64: Convert gmem_abort() to struct kvm_s2_fault_desc Date: Fri, 27 Mar 2026 11:36:18 +0000 Message-ID: <20260327113618.4051534-31-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260327113618.4051534-1-maz@kernel.org> References: <20260327113618.4051534-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, tabba@google.com, will@kernel.org, qperret@google.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260327_043631_721931_37065EA0 X-CRM114-Status: GOOD ( 13.21 ) 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 Having fully converted user_mem_abort() to kvm_s2_fault_desc and co, convert gmem_abort() to it as well. The change is obviously much simpler. Tested-by: Fuad Tabba Reviewed-by: Fuad Tabba Reviewed-by: Suzuki K Poulose Signed-off-by: Marc Zyngier --- arch/arm64/kvm/mmu.c | 41 +++++++++++++++++++---------------------- 1 file changed, 19 insertions(+), 22 deletions(-) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index f4c8f72642e02..1fe7182be45ac 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -1575,33 +1575,31 @@ struct kvm_s2_fault_desc { unsigned long hva; }; -static int gmem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, - struct kvm_s2_trans *nested, - struct kvm_memory_slot *memslot, bool is_perm) +static int gmem_abort(const struct kvm_s2_fault_desc *s2fd) { bool write_fault, exec_fault; enum kvm_pgtable_walk_flags flags = KVM_PGTABLE_WALK_SHARED; enum kvm_pgtable_prot prot = KVM_PGTABLE_PROT_R; - struct kvm_pgtable *pgt = vcpu->arch.hw_mmu->pgt; + struct kvm_pgtable *pgt = s2fd->vcpu->arch.hw_mmu->pgt; unsigned long mmu_seq; struct page *page; - struct kvm *kvm = vcpu->kvm; + struct kvm *kvm = s2fd->vcpu->kvm; void *memcache; kvm_pfn_t pfn; gfn_t gfn; int ret; - ret = prepare_mmu_memcache(vcpu, true, &memcache); + ret = prepare_mmu_memcache(s2fd->vcpu, true, &memcache); if (ret) return ret; - if (nested) - gfn = kvm_s2_trans_output(nested) >> PAGE_SHIFT; + if (s2fd->nested) + gfn = kvm_s2_trans_output(s2fd->nested) >> PAGE_SHIFT; else - gfn = fault_ipa >> PAGE_SHIFT; + gfn = s2fd->fault_ipa >> PAGE_SHIFT; - write_fault = kvm_is_write_fault(vcpu); - exec_fault = kvm_vcpu_trap_is_exec_fault(vcpu); + write_fault = kvm_is_write_fault(s2fd->vcpu); + exec_fault = kvm_vcpu_trap_is_exec_fault(s2fd->vcpu); VM_WARN_ON_ONCE(write_fault && exec_fault); @@ -1609,24 +1607,24 @@ static int gmem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, /* Pairs with the smp_wmb() in kvm_mmu_invalidate_end(). */ smp_rmb(); - ret = kvm_gmem_get_pfn(kvm, memslot, gfn, &pfn, &page, NULL); + ret = kvm_gmem_get_pfn(kvm, s2fd->memslot, gfn, &pfn, &page, NULL); if (ret) { - kvm_prepare_memory_fault_exit(vcpu, fault_ipa, PAGE_SIZE, + kvm_prepare_memory_fault_exit(s2fd->vcpu, s2fd->fault_ipa, PAGE_SIZE, write_fault, exec_fault, false); return ret; } - if (!(memslot->flags & KVM_MEM_READONLY)) + if (!(s2fd->memslot->flags & KVM_MEM_READONLY)) prot |= KVM_PGTABLE_PROT_W; - if (nested) - prot = adjust_nested_fault_perms(nested, prot); + if (s2fd->nested) + prot = adjust_nested_fault_perms(s2fd->nested, prot); if (exec_fault || cpus_have_final_cap(ARM64_HAS_CACHE_DIC)) prot |= KVM_PGTABLE_PROT_X; - if (nested) - prot = adjust_nested_exec_perms(kvm, nested, prot); + if (s2fd->nested) + prot = adjust_nested_exec_perms(kvm, s2fd->nested, prot); kvm_fault_lock(kvm); if (mmu_invalidate_retry(kvm, mmu_seq)) { @@ -1634,7 +1632,7 @@ static int gmem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, goto out_unlock; } - ret = KVM_PGT_FN(kvm_pgtable_stage2_map)(pgt, fault_ipa, PAGE_SIZE, + ret = KVM_PGT_FN(kvm_pgtable_stage2_map)(pgt, s2fd->fault_ipa, PAGE_SIZE, __pfn_to_phys(pfn), prot, memcache, flags); @@ -1643,7 +1641,7 @@ static int gmem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, kvm_fault_unlock(kvm); if ((prot & KVM_PGTABLE_PROT_W) && !ret) - mark_page_dirty_in_slot(kvm, memslot, gfn); + mark_page_dirty_in_slot(kvm, s2fd->memslot, gfn); return ret != -EAGAIN ? ret : 0; } @@ -2300,8 +2298,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu) }; if (kvm_slot_has_gmem(memslot)) - ret = gmem_abort(vcpu, fault_ipa, nested, memslot, - esr_fsc_is_permission_fault(esr)); + ret = gmem_abort(&s2fd); else ret = user_mem_abort(&s2fd); -- 2.47.3