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From: Alistair Francis <alistair23@gmail.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Sagar Karandikar" <sagark@eecs.berkeley.edu>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
	"KONRAD Frederic" <frederic.konrad@adacore.com>,
	"Alistair Francis" <Alistair.Francis@wdc.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	"Jean-Christophe Dubois" <jcd@tribudubois.net>,
	Qemu-block <qemu-block@nongnu.org>,
	"Magnus Damm" <magnus.damm@gmail.com>,
	"Max Reitz" <mreitz@redhat.com>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Joel Stanley" <joel@jms.id.au>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Aleksandar Rikalo" <aleksandar.rikalo@rt-rk.com>,
	"Richard Henderson" <rth@twiddle.net>,
	"Artyom Tarasenko" <atar4qemu@gmail.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Alistair Francis" <alistair@alistair23.me>,
	"Fabien Chouteau" <chouteau@adacore.com>,
	qemu-arm <qemu-arm@nongnu.org>,
	"Peter Chubb" <peter.chubb@nicta.com.au>,
	"open list:New World" <qemu-ppc@nongnu.org>,
	"David Gibson" <david@gibson.dropbear.id.au>,
	"Kevin Wolf" <kwolf@redhat.com>,
	"open list:RISC-V" <qemu-riscv@nongnu.org>,
	"Igor Mitsyanko" <i.mitsyanko@gmail.com>,
	"Bastian Koppelmann" <kbastian@mail.uni-paderborn.de>,
	"Laurent Vivier" <laurent@vivier.eu>,
	"Subbaraya Sundeep" <sundeep.lkml@gmail.com>,
	"Michael Walle" <michael@walle.cc>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Aleksandar Markovic" <amarkovic@wavecomp.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Aurelien Jarno" <aurelien@aurel32.net>
Subject: Re: [PATCH RESEND v2 02/32] memory: Simplify memory_region_init_rom_nomigrate() to ease review
Date: Mon, 24 Feb 2020 13:17:22 -0800	[thread overview]
Message-ID: <CAKmqyKPYOtVjK0z6JWzDv+HK6oNg0BS2RLSHWzVHreiLAFQrbQ@mail.gmail.com> (raw)
In-Reply-To: <20200224205533.23798-3-philmd@redhat.com>

On Mon, Feb 24, 2020 at 1:10 PM Philippe Mathieu-Daudé
<philmd@redhat.com> wrote:
>
> memory_region_init_rom_nomigrate() has the same content than
> memory_region_init_ram_shared_nomigrate(), with setting the
> readonly mode. The code is easier to review as creating a
> readonly ram/shared/nomigrate region.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  memory.c | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/memory.c b/memory.c
> index ce1179874e..6a327a54ed 100644
> --- a/memory.c
> +++ b/memory.c
> @@ -1659,19 +1659,8 @@ void memory_region_init_rom_nomigrate(MemoryRegion *mr,
>                                        uint64_t size,
>                                        Error **errp)
>  {
> -    Error *err = NULL;
> -    memory_region_init(mr, owner, name, size);
> -    mr->ram = true;
> +    memory_region_init_ram_shared_nomigrate(mr, owner, name, size, false, errp);
>      mr->readonly = true;
> -    mr->terminates = true;
> -    mr->destructor = memory_region_destructor_ram;
> -    mr->ram_block = qemu_ram_alloc(size, false, mr, &err);
> -    mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
> -    if (err) {
> -        mr->size = int128_zero();
> -        object_unparent(OBJECT(mr));
> -        error_propagate(errp, err);
> -    }
>  }
>
>  void memory_region_init_rom_device_nomigrate(MemoryRegion *mr,
> --
> 2.21.1
>
>


WARNING: multiple messages have this Message-ID (diff)
From: Alistair Francis <alistair23@gmail.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Sagar Karandikar" <sagark@eecs.berkeley.edu>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"KONRAD Frederic" <frederic.konrad@adacore.com>,
	"Alistair Francis" <Alistair.Francis@wdc.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	"Subbaraya Sundeep" <sundeep.lkml@gmail.com>,
	Qemu-block <qemu-block@nongnu.org>,
	"Magnus Damm" <magnus.damm@gmail.com>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Joel Stanley" <joel@jms.id.au>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Aleksandar Rikalo" <aleksandar.rikalo@rt-rk.com>,
	"David Gibson" <david@gibson.dropbear.id.au>,
	"Artyom Tarasenko" <atar4qemu@gmail.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Jean-Christophe Dubois" <jcd@tribudubois.net>,
	"Alistair Francis" <alistair@alistair23.me>,
	"Fabien Chouteau" <chouteau@adacore.com>,
	qemu-arm <qemu-arm@nongnu.org>,
	"Peter Chubb" <peter.chubb@nicta.com.au>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Richard Henderson" <rth@twiddle.net>,
	"Kevin Wolf" <kwolf@redhat.com>,
	"open list:RISC-V" <qemu-riscv@nongnu.org>,
	"Igor Mitsyanko" <i.mitsyanko@gmail.com>,
	"Bastian Koppelmann" <kbastian@mail.uni-paderborn.de>,
	"Laurent Vivier" <laurent@vivier.eu>,
	"Max Reitz" <mreitz@redhat.com>,
	"Michael Walle" <michael@walle.cc>,
	"open list:New World" <qemu-ppc@nongnu.org>,
	"Aleksandar Markovic" <amarkovic@wavecomp.com>,
	"Aurelien Jarno" <aurelien@aurel32.net>
Subject: Re: [PATCH RESEND v2 02/32] memory: Simplify memory_region_init_rom_nomigrate() to ease review
Date: Mon, 24 Feb 2020 13:17:22 -0800	[thread overview]
Message-ID: <CAKmqyKPYOtVjK0z6JWzDv+HK6oNg0BS2RLSHWzVHreiLAFQrbQ@mail.gmail.com> (raw)
In-Reply-To: <20200224205533.23798-3-philmd@redhat.com>

On Mon, Feb 24, 2020 at 1:10 PM Philippe Mathieu-Daudé
<philmd@redhat.com> wrote:
>
> memory_region_init_rom_nomigrate() has the same content than
> memory_region_init_ram_shared_nomigrate(), with setting the
> readonly mode. The code is easier to review as creating a
> readonly ram/shared/nomigrate region.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  memory.c | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/memory.c b/memory.c
> index ce1179874e..6a327a54ed 100644
> --- a/memory.c
> +++ b/memory.c
> @@ -1659,19 +1659,8 @@ void memory_region_init_rom_nomigrate(MemoryRegion *mr,
>                                        uint64_t size,
>                                        Error **errp)
>  {
> -    Error *err = NULL;
> -    memory_region_init(mr, owner, name, size);
> -    mr->ram = true;
> +    memory_region_init_ram_shared_nomigrate(mr, owner, name, size, false, errp);
>      mr->readonly = true;
> -    mr->terminates = true;
> -    mr->destructor = memory_region_destructor_ram;
> -    mr->ram_block = qemu_ram_alloc(size, false, mr, &err);
> -    mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
> -    if (err) {
> -        mr->size = int128_zero();
> -        object_unparent(OBJECT(mr));
> -        error_propagate(errp, err);
> -    }
>  }
>
>  void memory_region_init_rom_device_nomigrate(MemoryRegion *mr,
> --
> 2.21.1
>
>


  reply	other threads:[~2020-02-24 21:53 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-24 20:55 [PATCH RESEND v2 00/32] hw: Sanitize various MemoryRegion calls Philippe Mathieu-Daudé
2020-02-24 20:55 ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 01/32] memory: Correctly return alias region type Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 02/32] memory: Simplify memory_region_init_rom_nomigrate() to ease review Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 21:17   ` Alistair Francis [this message]
2020-02-24 21:17     ` Alistair Francis
2020-02-24 20:55 ` [PATCH RESEND v2 03/32] scripts/cocci: Rename memory-region-{init-ram -> housekeeping} Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 04/32] scripts/cocci: Patch to replace memory_region_init_{ram, readonly -> rom} Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 05/32] hw/arm: Use memory_region_init_rom() with read-only regions Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 06/32] hw/display: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 07/32] hw/mips: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-26 11:38   ` Aleksandar Markovic
2020-02-26 11:38     ` Aleksandar Markovic
2020-02-24 20:55 ` [PATCH RESEND v2 08/32] hw/m68k: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 09/32] hw/net: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 10/32] hw/pci-host: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-25  0:23   ` David Gibson
2020-02-25  0:23     ` David Gibson
2020-02-24 20:55 ` [PATCH RESEND v2 11/32] hw/ppc: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-25  0:23   ` David Gibson
2020-02-25  0:23     ` David Gibson
2020-02-24 20:55 ` [PATCH RESEND v2 12/32] hw/riscv: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 13/32] hw/sh4: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 14/32] hw/sparc: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-25 10:32   ` KONRAD Frederic
2020-02-24 20:55 ` [PATCH RESEND v2 15/32] scripts/cocci: Patch to detect potential use of memory_region_init_rom Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 16/32] hw/arm/stm32: Use memory_region_init_rom() with read-only regions Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 17/32] hw/ppc/ppc405: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-25  0:24   ` David Gibson
2020-02-25  0:24     ` David Gibson
2020-02-24 20:55 ` [PATCH RESEND v2 18/32] hw/i386/pc_sysfw: Simplify using memory_region_init_alias() Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-25 10:05   ` Philippe Mathieu-Daudé
2020-02-25 10:05     ` Philippe Mathieu-Daudé
2020-02-25 12:39     ` Paolo Bonzini
2020-02-25 12:39       ` Paolo Bonzini
2020-02-24 20:55 ` [PATCH RESEND v2 19/32] hw/i386/pc_sysfw: Remove unused 'ram_size' argument Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 20/32] scripts/cocci: Patch to remove unnecessary memory_region_set_readonly() Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 21/32] hw/arm: Remove unnecessary memory_region_set_readonly() on ROM alias Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 22/32] scripts/cocci: Patch to let devices own their MemoryRegions Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 23/32] hw/arm: Let devices own the MemoryRegion they create Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 24/32] hw/char: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 25/32] hw/core: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 26/32] hw/display: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 27/32] hw/dma: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 28/32] hw/riscv: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [PATCH RESEND v2 29/32] hw/input/milkymist-softusb: Remove unused 'pmem_ptr' field Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [RFC PATCH RESEND v2 30/32] hw/input/milkymist-softusb: Let devices own the MemoryRegion they create Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [RFC PATCH RESEND v2 31/32] hw/net/milkymist-minimac2: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé
2020-02-24 20:55 ` [RFC PATCH RESEND v2 32/32] hw/block/onenand: " Philippe Mathieu-Daudé
2020-02-24 20:55   ` Philippe Mathieu-Daudé

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