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 AE59EC61D85 for ; Tue, 21 Nov 2023 23:38:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=aHn8CtYrHoB4W3CIvP16CAeHW4tGa4bCWI56ry8N6mw=; b=4xkZuUkMMObB6V IQ1EMzBYFePXW8nomu0Ofqka4jEYcjJ9HvdjdTrMOBQcW5VpVsrSx2RKwSI635XqG18UOXGsIwFL1 aK1nEtPsKexnm4Vw+lFSnGdIW8+3LKipKazK49WL7Bh4syJvQaGk4fMnh0h7Nb7fbWU41xRJ2vNzc +7xDp0ZuB+bqrbVpG+2FG5bieWbpXPcWgPZ0mwOkI/4iJeudGJbgODRjvKs0Dw1ecx+rgT6nWggdt s7vXoSeFpysobbo3rBZ9OKcLyl9gqDk80vSBbA3eIHD/Lx0ewQbe8tdboYFHIx40F8vA4SEFVmWKG xBdfcI4vW6Dxmu5s4GZA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r5aJz-000H48-0o; Tue, 21 Nov 2023 23:38:23 +0000 Received: from out-171.mta1.migadu.com ([2001:41d0:203:375::ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r5aJv-000H2L-0L for linux-arm-kernel@lists.infradead.org; Tue, 21 Nov 2023 23:38:21 +0000 Date: Tue, 21 Nov 2023 23:38:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1700609893; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Icb20eLrJ/nzL20PpPHl5GV+ZheV6wphliX3+cd+S/Y=; b=xZyA4pfN3Gwr8l6pBaTEnmQGNGYZBHwHH1pwOaz4jft+qQjyF8+d4XOum+WBoGwOra8STO 3WOej63Adrh7p/E3i4Xk/XGEgv5nQXBql2IIsmWXbPBxpI5DLix1TbRdSATC4yuRgwn0dQ EWWyKBG/csmomWD38X3TTJFPm+j1JrQ= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Ryan Roberts Cc: Catalin Marinas , Will Deacon , Marc Zyngier , Suzuki K Poulose , James Morse , Zenghui Yu , Ard Biesheuvel , Anshuman Khandual , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v5 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2 Message-ID: References: <20231116142931.1675485-1-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20231116142931.1675485-1-ryan.roberts@arm.com> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231121_153819_860441_E827844F X-CRM114-Status: GOOD ( 10.08 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Ryan, On Thu, Nov 16, 2023 at 02:29:19PM +0000, Ryan Roberts wrote: > Additionally, when running page_fault_test, when run on FVP against v6.7-rc1 and > newer, I'm seeing RCU stalls. I'm confident that this is not an issue introduced > by this series because it reproduces without my patches. Oh, that's interesting. Can you gather any additional details, like what test case in page_fault_test trips the RCU stalls? > Anshuman Khandual (1): > arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2] > > Ryan Roberts (11): > arm64/mm: Modify range-based tlbi to decrement scale > arm64/mm: Add lpa2_is_enabled() kvm_lpa2_is_enabled() stubs > arm64/mm: Update tlb invalidation routines for FEAT_LPA2 > arm64: Add ARM64_HAS_LPA2 CPU capability > KVM: arm64: Add new (V)TCR_EL2 field definitions for FEAT_LPA2 > KVM: arm64: Use LPA2 page-tables for stage2 and hyp stage1 > KVM: arm64: Convert translation level parameter to s8 > KVM: arm64: Support up to 5 levels of translation in kvm_pgtable > KVM: arm64: Allow guests with >48-bit IPA size on FEAT_LPA2 systems > KVM: selftests: arm64: Determine max ipa size per-page size > KVM: selftests: arm64: Support P52V48 4K and 16K guest_modes Besides the nitpicks I left on the series, LGTM. Reviewed-by: Oliver Upton -- Thanks, Oliver _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel