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[79.178.18.124]) by smtp.gmail.com with ESMTPSA id 23sm8894999wmg.10.2020.06.12.07.52.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2020 07:52:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591973762; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=S8oMz8cU0uw+UrewEP7VqnSORJBEZFEU72TWJXbPFmA=; b=WHEcXoVsLSbrN5mI2Xiz2JgBeynbGiffBbYHaa8FaiQWmyS9ku1b3Aa4wxXEYmK5JW3239 KNQ4lnDppsRXZO2hM0BOzEQaZaqA5s7clRKky9eStDI/aGHBLrft9XZRDj2r+6ffbD81/T cIR9YbsEYVuPcceeeWsQ/UgvrgmB5C4= X-MC-Unique: aYppKkerPOmpeohR7M90Mg-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=S8oMz8cU0uw+UrewEP7VqnSORJBEZFEU72TWJXbPFmA=; b=CCDozYDFGCc7n0sqRCwu857CwN/AEBSLX+zragDx83YOdqLD2VHliorlbbdRDsJXCZ 43u4QG6Tk0X8sKyBJ5z4alUYaFDmIvbUzJX1JJe8Tks8QiNeomDaspOoPt6X3DSEAAK7 r0SaMUoJEP4+TVCQ2VjuCEcL+4pArFJhpxx6RsxNqhMlMjnmXpqhVbW9P4cV4NRqmzDL UEBQVmbWpqUu7A6R1bH4VG5fokUkn/ojiduUtRAC8Aazts37+J9CK0w2rrEn+zFffeWt sTssxiaRpNA115uFU8/AuCykm7lVe9XvfNcSs1vpUiS8XPPjzqgp78DWJplpYTBCcfTE kRMw== X-Gm-Message-State: AOAM531cUlAtEX3kGFKD41u3XrGee/fhmF5lgTx7n8Kz337Wpkjqyi8d kfjiBxGzd0rhY9dqoNZBVt1g6UDpOV3t8UXLcnBpJSARPsA2f5IAgp91RrwW/ZMuxtI/8ti+a8X C6PE5TMxqQuBo2gI= X-Received: by 2002:a5d:42cd:: with SMTP id t13mr15041002wrr.355.1591973531382; Fri, 12 Jun 2020 07:52:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx+A6exq6OqvNGftTsJHxfMengL/267vt4ac+nV6JcfDe0KjnY4nnv/qDhYIJCOV4IDNHja5g== X-Received: by 2002:a5d:42cd:: with SMTP id t13mr15040986wrr.355.1591973531219; Fri, 12 Jun 2020 07:52:11 -0700 (PDT) Date: Fri, 12 Jun 2020 10:52:09 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v2 30/58] hw/pci-host/prep: Correct RAVEN bus bridge memory region size Message-ID: <20200612141917.9446-31-mst@redhat.com> References: <20200612141917.9446-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200612141917.9446-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=207.211.31.120; envelope-from=mst@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/12 08:07:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, Peter Maydell , Richard Henderson , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , =?utf-8?B?SGVydsOp?= Poussineau Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Philippe Mathieu-Daud=C3=A9 memory_region_set_size() handle the 16 Exabytes limit by special-casing the UINT64_MAX value. This is not a problem for the 32-bit maximum, 4 GiB. By using the UINT32_MAX value, the bm-raven MemoryRegion ends up missing 1 byte: $ qemu-system-ppc -M prep -S -monitor stdio -usb memory-region: bm-raven 0000000000000000-00000000fffffffe (prio 0, i/o): bm-raven 0000000000000000-000000003effffff (prio 0, i/o): alias bm-pci-memory = @pci-memory 0000000000000000-000000003effffff 0000000080000000-00000000ffffffff (prio 0, i/o): alias bm-system @sys= tem 0000000000000000-000000007fffffff Fix by using the correct value. We now have: memory-region: bm-raven 0000000000000000-00000000ffffffff (prio 0, i/o): bm-raven 0000000000000000-000000003effffff (prio 0, i/o): alias bm-pci-memory = @pci-memory 0000000000000000-000000003effffff 0000000080000000-00000000ffffffff (prio 0, i/o): alias bm-system @sys= tem 0000000000000000-000000007fffffff Reviewed-by: Peter Maydell Signed-off-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20200601142930.29408-3-f4bug@amsat.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Richard Henderson --- hw/pci-host/prep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c index 1a02e9a670..88e2fc66a9 100644 --- a/hw/pci-host/prep.c +++ b/hw/pci-host/prep.c @@ -294,7 +294,7 @@ static void raven_pcihost_initfn(Object *obj) &s->pci_memory, &s->pci_io, 0, TYPE_PCI_BUS); =20 /* Bus master address space */ - memory_region_init(&s->bm, obj, "bm-raven", UINT32_MAX); + memory_region_init(&s->bm, obj, "bm-raven", 4 * GiB); memory_region_init_alias(&s->bm_pci_memory_alias, obj, "bm-pci-memory", &s->pci_memory, 0, memory_region_size(&s->pci_memory)); --=20 MST