From: Igor Mammedov <imammedo@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: deller@gmx.de, mark.cave-ayland@ilande.co.uk,
qemu-devel@nongnu.org, qemu-ppc@nongnu.org, hpoussin@reactos.org,
rth@twiddle.net, atar4qemu@gmail.com,
david@gibson.dropbear.id.au
Subject: Re: [PATCH 0/3] eliminate remaining places that abuse memory_region_allocate_system_memory()
Date: Mon, 21 Oct 2019 11:18:28 +0200 [thread overview]
Message-ID: <20191021111828.157ff2b7@redhat.com> (raw)
In-Reply-To: <0eed7c18-8758-8f70-7b48-0d9c86ec929a@redhat.com>
On Mon, 21 Oct 2019 10:59:56 +0200
Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
> Hi Igor,
>
> On 10/8/19 1:33 PM, Igor Mammedov wrote:
> > Series cleans up remaining boards that call memory_region_allocate_system_memory()
> > multiple times, violating interface contract (the function should be called only
> > once).
> >
> > With that cleaned up, it should be possible to switch from adhoc RAM allocation
> > in memory_region_allocate_system_memory()->allocate_system_memory_nonnuma() to
> > memory-backend based allocation, remaining roadblock for doing it is deprecated
> > -mem-path fallback to RAM allocation, which is scheduled for removal at 4.3
> > merge window. So remaining patches to consolidate system RAM allocation around
> > memory-backends and aliasing -mem-path/mem-prealloc to it are postponed till
> > then.
> >
> >
> > Igor Mammedov (3):
> > sparc64: use memory_region_allocate_system_memory() only for '-m'
> > specified RAM
> > ppc: rs6000_mc: drop usage of memory_region_allocate_system_memory()
> > hppa: drop usage of memory_region_allocate_system_memory() for ROM
> >
> > hw/hppa/machine.c | 5 ++---
> > hw/ppc/rs6000_mc.c | 15 ++++++++++-----
> > hw/sparc64/niagara.c | 25 +++++++++++++------------
>
> What about the TYPE_SUN4M_MEMORY device in hw/sparc/sun4m.c?
it has only one call site so it's not issue this series targets.
I'll take care of it in follow up series, which will deal with
converting memory_region_allocate_system_memory() to memdev only
(probably I'll drop TYPE_SUN4M_MEMORY altogether)
>
prev parent reply other threads:[~2019-10-21 9:19 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
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 [this message]
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