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[109.242.138.214]) by smtp.googlemail.com with ESMTPSA id cq6-20020a056402220600b00458cc5f802asm7705824edb.73.2022.10.17.10.32.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Oct 2022 10:32:22 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: a977500e-4e41-11ed-91b4-6bf2151ebd3b DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=1FhMqU6o+OmI9sNxvKM4/FjFziffLBpWtVI66KBPbI0=; b=BJ+rzIblhdV+Z2Ns4ttV2aBanT0/zvkcOb6Ye7/8HmXYpEMBvG4mvI2Gm5fiGEIzE5 SdBU6ftV4vBg2dZPg3NTSBBiTjcbnUOkLf+jOpiACuGFa5mchNkHizQflou8MMTCjc0D 7ulCF054GIAPzKxJz1tvpdunhXzMlQzP/d8c8hUzdNbuVLqjJi3AhHkXkJREGRQ+hkz6 liD7aSyEGzmEcNTgegXoKWSY/d7x2puMwzGseTy4wzupgTDkPOxCLgSwQ0B0QGDR6adU soOt2zDyLfzZ0LHpfHi2/yHw3suWZQoc0o5G5zzdRQyO0c2VNi/g2JdQuXlk7JvfLyP9 BuOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=1FhMqU6o+OmI9sNxvKM4/FjFziffLBpWtVI66KBPbI0=; b=HtCmU3FmToFNDo7zWCDnBSTvWSDojyFXFXydhM/g/XnaGY0VoemV0XAzo5aKbxFN2X oWH8RRgDQyVyGDn9dcdPOUyfy7FVSnNMdNlkNCLyw63heATb4WspkZEDMRfivIW2jkaA +kFoRXKrbnEa3Nvr2OqQq7RvSosQ7q7G2XHKo8HZEAHME+kbdL8ZQmt+U2khM18mpvCB CXatfCot+tgen5J+JSFGxS+JwXef7d8mbIOUzZQpLXyOExWtDCVN2tS3Toqp0C+CrLlR wYgnDn2GKDMKaDgJsiQPqjABuLqqAYnj3MZWx7PmFz4xbhScbIAfXslG4RDDj7jCrv4V 8Vlg== X-Gm-Message-State: ACrzQf3uJvm29PweexUO0T4UhTYUeRYMdnezG/OWfNRhyW0/PN6uVtGJ 6IkHFCkt5ugIHmB3GNdg35DMw9GaqTE= X-Google-Smtp-Source: AMsMyM5SlrDYpZHdKXPSkpaHxNfCE/fOi6lJk15YnTAFboEyJMwUXmXynJ/sw/AZ8XaK+JvJ3YdjZA== X-Received: by 2002:a17:907:969e:b0:782:6b92:6b1f with SMTP id hd30-20020a170907969e00b007826b926b1fmr9205827ejc.140.1666027943555; Mon, 17 Oct 2022 10:32:23 -0700 (PDT) From: Xenia Ragiadakou To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk Subject: [PATCH] xen/arm: p2m: fix pa_range_info for 52-bit pa range Date: Mon, 17 Oct 2022 20:32:09 +0300 Message-Id: <20221017173209.236781-1-burzalodowa@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1666027977907100001 Content-Type: text/plain; charset="utf-8" Currently the pa_range_info for the 52-bit pa range advertizes that the p2m root table consists of 8 concatenated tables at level 3, which does not make much sense. In order to support the 52-bit pa size with 4KB granule, the p2m root table needs to be configured either as a single table at level -1 or as 16 concatenated tables at level 0. Since, currently there is not support for level -1, set the root_order and sl0 fields of the corresponding pa_range_info according to the second approach. Signed-off-by: Xenia Ragiadakou Reviewed-by: Michal Orzel --- xen/arch/arm/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c index f17500ddf3..c824d62806 100644 --- a/xen/arch/arm/p2m.c +++ b/xen/arch/arm/p2m.c @@ -2251,7 +2251,7 @@ void __init setup_virt_paging(void) [3] =3D { 42, 22/*22*/, 3, 1 }, [4] =3D { 44, 20/*20*/, 0, 2 }, [5] =3D { 48, 16/*16*/, 0, 2 }, - [6] =3D { 52, 12/*12*/, 3, 3 }, + [6] =3D { 52, 12/*12*/, 4, 2 }, [7] =3D { 0 } /* Invalid */ }; =20 --=20 2.34.1