qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Igor Mammedov <imammedo@redhat.com>, qemu-devel@nongnu.org
Cc: deller@gmx.de, mark.cave-ayland@ilande.co.uk,
	qemu-ppc@nongnu.org, hpoussin@reactos.org,
	david@gibson.dropbear.id.au, atar4qemu@gmail.com,
	rth@twiddle.net
Subject: Re: [PATCH 3/3] hppa: drop usage of memory_region_allocate_system_memory() for ROM
Date: Tue, 8 Oct 2019 14:30:12 +0200	[thread overview]
Message-ID: <9dd334b4-7b9e-e130-fde4-c63a40b742db@redhat.com> (raw)
In-Reply-To: <20191008113318.7012-4-imammedo@redhat.com>

On 10/8/19 1:33 PM, Igor Mammedov wrote:
> machine_hppa_init() violates memory_region_allocate_system_memory() contract
> by calling it multiple times which could break with -mem-path. Replace
> the second usage (for 'rom') with memory_region_init_ram() instead.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
>   hw/hppa/machine.c | 5 ++---
>   1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
> index 7e23675429..953d454f48 100644
> --- a/hw/hppa/machine.c
> +++ b/hw/hppa/machine.c
> @@ -161,9 +161,8 @@ static void machine_hppa_init(MachineState *machine)
>       g_free(firmware_filename);
>   
>       rom_region = g_new(MemoryRegion, 1);
> -    memory_region_allocate_system_memory(rom_region, OBJECT(machine),
> -                                         "firmware",
> -                                         (FIRMWARE_END - FIRMWARE_START));
> +    memory_region_init_ram(rom_region, NULL, "firmware",
> +                           (FIRMWARE_END - FIRMWARE_START), &error_fatal);
>       memory_region_add_subregion(addr_space, FIRMWARE_START, rom_region);
>   
>       /* Load kernel */
> 

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>


  reply	other threads:[~2019-10-08 12:31 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-08 11:33 [PATCH 0/3] eliminate remaining places that abuse memory_region_allocate_system_memory() Igor Mammedov
2019-10-08 11:33 ` [PATCH 1/3] sparc64: use memory_region_allocate_system_memory() only for '-m' specified RAM Igor Mammedov
2019-10-08 12:09   ` Philippe Mathieu-Daudé
2019-10-08 13:55     ` Igor Mammedov
2019-10-08 11:33 ` [PATCH 2/3] ppc: rs6000_mc: drop usage of memory_region_allocate_system_memory() Igor Mammedov
2019-10-08 12:24   ` Philippe Mathieu-Daudé
2019-10-09  1:21   ` David Gibson
2019-10-09 11:19     ` Igor Mammedov
2019-10-09 12:02       ` David Gibson
2019-10-08 11:33 ` [PATCH 3/3] hppa: drop usage of memory_region_allocate_system_memory() for ROM Igor Mammedov
2019-10-08 12:30   ` Philippe Mathieu-Daudé [this message]
2019-10-20 21:49   ` Philippe Mathieu-Daudé
2019-10-08 12:41 ` [PATCH 0/3] eliminate remaining places that abuse memory_region_allocate_system_memory() Philippe Mathieu-Daudé
2019-10-08 13:52   ` Igor Mammedov
2019-10-10 17:35 ` Igor Mammedov
2019-10-11 15:23   ` Igor Mammedov
2019-10-20 14:38     ` Philippe Mathieu-Daudé
2019-10-22 22:09       ` Eduardo Habkost
2019-10-21  8:59 ` Philippe Mathieu-Daudé
2019-10-21  9:18   ` Igor Mammedov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=9dd334b4-7b9e-e130-fde4-c63a40b742db@redhat.com \
    --to=philmd@redhat.com \
    --cc=atar4qemu@gmail.com \
    --cc=david@gibson.dropbear.id.au \
    --cc=deller@gmx.de \
    --cc=hpoussin@reactos.org \
    --cc=imammedo@redhat.com \
    --cc=mark.cave-ayland@ilande.co.uk \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-ppc@nongnu.org \
    --cc=rth@twiddle.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).