From: David Gibson <david@gibson.dropbear.id.au>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: qemu-devel@nongnu.org, "David Hildenbrand" <david@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Christian Borntraeger" <borntraeger@de.ibm.com>,
"Cornelia Huck" <cohuck@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Richard Henderson" <rth@twiddle.net>,
qemu-s390x@nongnu.org, "Halil Pasic" <pasic@linux.ibm.com>,
"Anthony Perard" <anthony.perard@citrix.com>,
"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
qemu-ppc@nongnu.org, xen-devel@lists.xenproject.org
Subject: Re: [Qemu-devel] [PATCH 2/3] machine: Eliminate unnecessary stringify() usage
Date: Tue, 8 Jan 2019 11:08:23 +1100 [thread overview]
Message-ID: <20190108000823.GH13339@umbus.fritz.box> (raw)
In-Reply-To: <20190107193020.21744-3-ehabkost@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 15854 bytes --]
On Mon, Jan 07, 2019 at 05:30:19PM -0200, Eduardo Habkost wrote:
> stringify() is useful when we need to use macros in compat_props
> (like when we set virtio-baloon-pci.class=PCI_CLASS_MEMORY_RAM at
> pc_i440fx_1_0_machine_options()), but it is pointless when we are
> already providing a number literal.
>
> Replace stringify() with string literals when appropriate.
>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> hw/core/machine.c | 8 ++--
> hw/i386/pc.c | 94 +++++++++++++++++++++++------------------------
> hw/i386/pc_piix.c | 30 +++++++--------
> hw/ppc/spapr.c | 2 +-
> 4 files changed, 67 insertions(+), 67 deletions(-)
>
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index f8563efb86..4b4d6c23de 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -135,11 +135,11 @@ GlobalProperty hw_compat_2_8[] = {
> {
> .driver = "fw_cfg_mem",
> .property = "x-file-slots",
> - .value = stringify(0x10),
> + .value = "0x10",
> },{
> .driver = "fw_cfg_io",
> .property = "x-file-slots",
> - .value = stringify(0x10),
> + .value = "0x10",
> },{
> .driver = "pflash_cfi01",
> .property = "old-multiple-chip-handling",
> @@ -337,11 +337,11 @@ GlobalProperty hw_compat_2_1[] = {
> },{
> .driver = "usb-mouse",
> .property = "usb_version",
> - .value = stringify(1),
> + .value = "1",
> },{
> .driver = "usb-kbd",
> .property = "usb_version",
> - .value = stringify(1),
> + .value = "1",
> },{
> .driver = "virtio-pci",
> .property = "virtio-pci-bus-master-bug-migration",
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 4952feb476..ff14b6d4df 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -148,11 +148,11 @@ GlobalProperty pc_compat_2_12[] = {
> },{
> .driver = "EPYC-" TYPE_X86_CPU,
> .property = "xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "EPYC-IBPB-" TYPE_X86_CPU,
> .property = "xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },
> };
> const size_t pc_compat_2_12_len = G_N_ELEMENTS(pc_compat_2_12);
> @@ -191,7 +191,7 @@ GlobalProperty pc_compat_2_9[] = {
> {
> .driver = "mch",
> .property = "extended-tseg-mbytes",
> - .value = stringify(0),
> + .value = "0",
> },
> };
> const size_t pc_compat_2_9_len = G_N_ELEMENTS(pc_compat_2_9);
> @@ -365,75 +365,75 @@ GlobalProperty pc_compat_2_3[] = {
> },{
> .driver = "qemu64" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(4),
> + .value = "4",
> },{
> .driver = "kvm64" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(5),
> + .value = "5",
> },{
> .driver = "pentium3" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "n270" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(5),
> + .value = "5",
> },{
> .driver = "Conroe" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(4),
> + .value = "4",
> },{
> .driver = "Penryn" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(4),
> + .value = "4",
> },{
> .driver = "Nehalem" "-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(4),
> + .value = "4",
> },{
> .driver = "n270" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Penryn" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Conroe" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Nehalem" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Westmere" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "SandyBridge" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "IvyBridge" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Haswell" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Haswell-noTSX" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Broadwell" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = "Broadwell-noTSX" "-" TYPE_X86_CPU,
> .property = "min-xlevel",
> - .value = stringify(0x8000000a),
> + .value = "0x8000000a",
> },{
> .driver = TYPE_X86_CPU,
> .property = "kvm-no-smi-migration",
> @@ -566,7 +566,7 @@ GlobalProperty pc_compat_2_0[] = {
> {
> .driver = "apic",
> .property = "version",
> - .value = stringify(0x11),
> + .value = "0x11",
> },
> {
> .driver = "nec-usb-xhci",
> @@ -581,17 +581,17 @@ GlobalProperty pc_compat_2_0[] = {
> {
> .driver = "pci-serial",
> .property = "prog_if",
> - .value = stringify(0),
> + .value = "0",
> },
> {
> .driver = "pci-serial-2x",
> .property = "prog_if",
> - .value = stringify(0),
> + .value = "0",
> },
> {
> .driver = "pci-serial-4x",
> .property = "prog_if",
> - .value = stringify(0),
> + .value = "0",
> },
> {
> .driver = "virtio-net-pci",
> @@ -629,7 +629,7 @@ GlobalProperty pc_compat_1_7[] = {
> {
> .driver = "hpet",
> .property = HPET_INTCAP,
> - .value = stringify(4),
> + .value = "4",
> },
> };
> const size_t pc_compat_1_7_len = G_N_ELEMENTS(pc_compat_1_7);
> @@ -643,19 +643,19 @@ GlobalProperty pc_compat_1_6[] = {
> },{
> .driver = "qemu64-" TYPE_X86_CPU,
> .property = "model",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "qemu32-" TYPE_X86_CPU,
> .property = "model",
> - .value = stringify(3),
> + .value = "3",
> },{
> .driver = "i440FX-pcihost",
> .property = "short_root_bus",
> - .value = stringify(1),
> + .value = "1",
> },{
> .driver = "q35-pcihost",
> .property = "short_root_bus",
> - .value = stringify(1),
> + .value = "1",
> },
> };
> const size_t pc_compat_1_6_len = G_N_ELEMENTS(pc_compat_1_6);
> @@ -665,27 +665,27 @@ GlobalProperty pc_compat_1_5[] = {
> {
> .driver = "Conroe-" TYPE_X86_CPU,
> .property = "model",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "Conroe-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "Penryn-" TYPE_X86_CPU,
> .property = "model",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "Penryn-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "Nehalem-" TYPE_X86_CPU,
> .property = "model",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "Nehalem-" TYPE_X86_CPU,
> .property = "min-level",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "virtio-net-pci",
> .property = "any_layout",
> @@ -697,11 +697,11 @@ GlobalProperty pc_compat_1_5[] = {
> },{
> .driver = "i440FX-pcihost",
> .property = "short_root_bus",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "q35-pcihost",
> .property = "short_root_bus",
> - .value = stringify(0),
> + .value = "0",
> },
> };
> const size_t pc_compat_1_5_len = G_N_ELEMENTS(pc_compat_1_5);
> @@ -711,36 +711,36 @@ GlobalProperty pc_compat_1_4[] = {
> {
> .driver = "scsi-hd",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "scsi-cd",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "scsi-disk",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "ide-hd",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "ide-cd",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "ide-drive",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "virtio-blk-pci",
> .property = "discard_granularity",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "virtio-serial-pci",
> .property = "vectors",
> /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */
> - .value = stringify(0xFFFFFFFF),
> + .value = "0xFFFFFFFF",
> },{
> .driver = "virtio-net-pci",
> .property = "ctrl_guest_offloads",
> @@ -768,7 +768,7 @@ GlobalProperty pc_compat_1_4[] = {
> },{
> .driver = "486-" TYPE_X86_CPU,
> .property = "model",
> - .value = stringify(0),
> + .value = "0",
> },
> {
> .driver = "n270" "-" TYPE_X86_CPU,
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index ed6984638e..fd20227af3 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -697,7 +697,7 @@ static void pc_i440fx_1_3_machine_options(MachineClass *m)
> {
> .driver = "usb-tablet",
> .property = "usb_version",
> - .value = stringify(1),
> + .value = "1",
> },{
> .driver = "virtio-net-pci",
> .property = "ctrl_mac_addr",
> @@ -741,11 +741,11 @@ static void pc_i440fx_1_2_machine_options(MachineClass *m)
> },{
> .driver = "qxl",
> .property = "revision",
> - .value = stringify(3),
> + .value = "3",
> },{
> .driver = "qxl-vga",
> .property = "revision",
> - .value = stringify(3),
> + .value = "3",
> },{
> .driver = "VGA",
> .property = "mmio",
> @@ -777,19 +777,19 @@ static void pc_i440fx_1_1_machine_options(MachineClass *m)
> },{
> .driver = "VGA",
> .property = "vgamem_mb",
> - .value = stringify(8),
> + .value = "8",
> },{
> .driver = "vmware-svga",
> .property = "vgamem_mb",
> - .value = stringify(8),
> + .value = "8",
> },{
> .driver = "qxl-vga",
> .property = "vgamem_mb",
> - .value = stringify(8),
> + .value = "8",
> },{
> .driver = "qxl",
> .property = "vgamem_mb",
> - .value = stringify(8),
> + .value = "8",
> },{
> .driver = "virtio-blk-pci",
> .property = "config-wce",
> @@ -876,11 +876,11 @@ static void pc_i440fx_0_14_machine_options(MachineClass *m)
> },{
> .driver = "qxl",
> .property = "revision",
> - .value = stringify(2),
> + .value = "2",
> },{
> .driver = "qxl-vga",
> .property = "revision",
> - .value = stringify(2),
> + .value = "2",
> },
> };
>
> @@ -904,19 +904,19 @@ static void pc_i440fx_0_13_machine_options(MachineClass *m)
> },{
> .driver = "AC97",
> .property = "use_broken_id",
> - .value = stringify(1),
> + .value = "1",
> },{
> .driver = "virtio-9p-pci",
> .property = "vectors",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "VGA",
> .property = "rombar",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "vmware-svga",
> .property = "rombar",
> - .value = stringify(0),
> + .value = "0",
> },
> };
>
> @@ -936,11 +936,11 @@ static void pc_i440fx_0_12_machine_options(MachineClass *m)
> {
> .driver = "virtio-serial-pci",
> .property = "max_ports",
> - .value = stringify(1),
> + .value = "1",
> },{
> .driver = "virtio-serial-pci",
> .property = "vectors",
> - .value = stringify(0),
> + .value = "0",
> },{
> .driver = "usb-mouse",
> .property = "serial",
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index bff42f0adb..d7d87b0ae8 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -4264,7 +4264,7 @@ static void spapr_machine_2_6_class_options(MachineClass *mc)
> {
> .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,
> .property = "ddw",
> - .value = stringify(off),
> + .value = "off",
> },
> };
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2019-01-08 0:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-07 19:30 [Qemu-devel] [PATCH 0/3] machine: Make compat_props arrays shorter and more readable Eduardo Habkost
2019-01-07 19:30 ` [Qemu-devel] [PATCH 1/3] spapr: Eliminate SPAPR_PCI_2_7_MMIO_WIN_SIZE macro Eduardo Habkost
2019-01-07 19:35 ` Marc-André Lureau
2019-01-08 0:07 ` David Gibson
2019-01-08 9:59 ` Cornelia Huck
2019-01-07 19:30 ` [Qemu-devel] [PATCH 2/3] machine: Eliminate unnecessary stringify() usage Eduardo Habkost
2019-01-07 19:34 ` Marc-André Lureau
2019-01-08 0:08 ` David Gibson [this message]
2019-01-08 10:03 ` Cornelia Huck
2019-01-08 14:36 ` Philippe Mathieu-Daudé
2019-01-07 19:30 ` [Qemu-devel] [PATCH 3/3] machine: Use shorter format for GlobalProperty arrays Eduardo Habkost
2019-01-07 19:40 ` Marc-André Lureau
2019-01-08 6:45 ` Gerd Hoffmann
2019-01-08 10:20 ` Cornelia Huck
2019-01-10 0:43 ` Eduardo Habkost
2019-01-08 10:21 ` Cornelia Huck
2019-01-08 14:38 ` Philippe Mathieu-Daudé
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