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Thu, 23 Jan 2020 11:42:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579779782; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LmbT4utHw3jVlrOr00QmnnfO7V5reIzeADeYrdgAyuw=; b=hB0GJo8E0Cth9vNIRGYf+9ZYKA8g//F+q0BuC6FR5T5ynSMNObvYCo8OZibV5p/rWYklWX 29HXaO1/P8IdKC0bwIIygt/i7MmN+wbrEZv11owLH+VKRH2HBlJHPQ6+AYOPXXBRzq+BtI SBRvsjzu9zXEFPjMhL/jxFfVhrgYGJU= From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH REPOST v3 43/80] x86/microvm: use memdev for RAM Date: Thu, 23 Jan 2020 12:38:08 +0100 Message-Id: <1579779525-20065-44-git-send-email-imammedo@redhat.com> In-Reply-To: <1579779525-20065-1-git-send-email-imammedo@redhat.com> References: <1579779525-20065-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: BARCobzpM9qjwGW3nthjBA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 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: pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com, slp@redhat.com, mst@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" memory_region_allocate_system_memory() API is going away, so replace it with memdev allocated MemoryRegion. The later is initialized by generic code, so board only needs to opt in to memdev scheme by providing MachineClass::default_ram_id and using MachineState::ram instead of manually initializing RAM memory region. Signed-off-by: Igor Mammedov --- CC: slp@redhat.com CC: pbonzini@redhat.com CC: mst@redhat.com CC: rth@twiddle.net CC: ehabkost@redhat.com --- hw/i386/microvm.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 827ce29..7d78b99 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -167,7 +167,7 @@ static void microvm_memory_init(MicrovmMachineState *mm= s) { MachineState *machine =3D MACHINE(mms); X86MachineState *x86ms =3D X86_MACHINE(mms); - MemoryRegion *ram, *ram_below_4g, *ram_above_4g; + MemoryRegion *ram_below_4g, *ram_above_4g; MemoryRegion *system_memory =3D get_system_memory(); FWCfgState *fw_cfg; ram_addr_t lowmem; @@ -214,12 +214,8 @@ static void microvm_memory_init(MicrovmMachineState *m= ms) x86ms->below_4g_mem_size =3D machine->ram_size; } =20 - ram =3D g_malloc(sizeof(*ram)); - memory_region_allocate_system_memory(ram, NULL, "microvm.ram", - machine->ram_size); - ram_below_4g =3D g_malloc(sizeof(*ram_below_4g)); - memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, + memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", machine->= ram, 0, x86ms->below_4g_mem_size); memory_region_add_subregion(system_memory, 0, ram_below_4g); =20 @@ -227,7 +223,8 @@ static void microvm_memory_init(MicrovmMachineState *mm= s) =20 if (x86ms->above_4g_mem_size > 0) { ram_above_4g =3D g_malloc(sizeof(*ram_above_4g)); - memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, + memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", + machine->ram, x86ms->below_4g_mem_size, x86ms->above_4g_mem_size); memory_region_add_subregion(system_memory, 0x100000000ULL, @@ -502,6 +499,7 @@ static void microvm_class_init(ObjectClass *oc, void *d= ata) mc->auto_enable_numa_with_memhp =3D false; mc->default_cpu_type =3D TARGET_DEFAULT_CPU_TYPE; mc->nvdimm_supported =3D false; + mc->default_ram_id =3D "microvm.ram"; =20 /* Avoid relying too much on kernel components */ mc->default_kernel_irqchip_split =3D true; --=20 2.7.4