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From: Peter Xu <peterx@redhat.com>
To: Steven Sistare <steven.sistare@oracle.com>
Cc: qemu-devel@nongnu.org, Fabiano Rosas <farosas@suse.de>,
	David Hildenbrand <david@redhat.com>,
	Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Eduardo Habkost <eduardo@habkost.net>,
	Philippe Mathieu-Daude <philmd@linaro.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	"Daniel P. Berrange" <berrange@redhat.com>,
	Markus Armbruster <armbru@redhat.com>
Subject: Re: [PATCH V4 04/19] machine: aux-ram-share option
Date: Thu, 12 Dec 2024 16:22:35 -0500	[thread overview]
Message-ID: <Z1tUGwLb9KoOs_0b@x1n> (raw)
In-Reply-To: <57501760-df02-4a39-86fc-8001952bb458@oracle.com>

On Thu, Dec 12, 2024 at 03:38:07PM -0500, Steven Sistare wrote:
> On 12/9/2024 2:54 PM, Peter Xu wrote:
> > On Mon, Dec 02, 2024 at 05:19:56AM -0800, Steve Sistare wrote:
> > > diff --git a/system/physmem.c b/system/physmem.c
> > > index 36f0811..0bcb2cc 100644
> > > --- a/system/physmem.c
> > > +++ b/system/physmem.c
> > > @@ -2164,6 +2164,9 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size,
> > >       new_block->flags = ram_flags;
> > >       if (!host && !xen_enabled()) {
> > > +        if (!share_flags && current_machine->aux_ram_share) {
> > > +            new_block->flags |= RAM_SHARED;
> > > +        }
> > 
> > Just to mention that if you agree with what I said in patch 2, here it will
> > need some trivial rebase change.  IOW, IMO we shouldn't special case xen
> > either here, so it should also apply to xen if one chose to, changing aux
> > alloc to RAM_SHARED.
> 
> OK.
> 
> So, if this only requires a trivial change, do I get your RB?

Yes please.

-- 
Peter Xu



  reply	other threads:[~2024-12-12 21:23 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-02 13:19 [PATCH V4 00/19] Live update: cpr-transfer Steve Sistare
2024-12-02 13:19 ` [PATCH V4 01/19] backends/hostmem-shm: factor out allocation of "anonymous shared memory with an fd" Steve Sistare
2024-12-09 17:36   ` Peter Xu
2024-12-12 20:37     ` Steven Sistare
2024-12-02 13:19 ` [PATCH V4 02/19] physmem: fd-based shared memory Steve Sistare
2024-12-09 19:42   ` Peter Xu
2024-12-12 20:38     ` Steven Sistare
2024-12-12 21:22       ` Peter Xu
2024-12-13 16:41         ` Steven Sistare
2024-12-13 17:05           ` Steven Sistare
2024-12-16 18:19           ` Peter Xu
2024-12-17 21:54             ` Steven Sistare
2024-12-17 22:46               ` Peter Xu
2024-12-18 16:34                 ` Steven Sistare
2024-12-02 13:19 ` [PATCH V4 03/19] memory: add RAM_PRIVATE Steve Sistare
2024-12-09 19:45   ` Peter Xu
2024-12-02 13:19 ` [PATCH V4 04/19] machine: aux-ram-share option Steve Sistare
2024-12-05  8:25   ` Markus Armbruster
2024-12-05 14:24     ` Steven Sistare
2024-12-05 12:08   ` Markus Armbruster
2024-12-05 12:19     ` Markus Armbruster
2024-12-05 14:24       ` Steven Sistare
2024-12-09 19:54   ` Peter Xu
2024-12-12 20:38     ` Steven Sistare
2024-12-12 21:22       ` Peter Xu [this message]
2024-12-02 13:19 ` [PATCH V4 05/19] migration: cpr-state Steve Sistare
2024-12-02 13:19 ` [PATCH V4 06/19] physmem: preserve ram blocks for cpr Steve Sistare
2024-12-09 20:07   ` Peter Xu
2024-12-12 20:38     ` Steven Sistare
2024-12-12 22:48       ` Peter Xu
2024-12-13 15:21         ` Peter Xu
2024-12-13 15:30           ` Steven Sistare
2024-12-18 16:34             ` Steven Sistare
2024-12-18 17:00               ` Peter Xu
2024-12-18 20:22                 ` Steven Sistare
2024-12-18 20:33                   ` Peter Xu
2024-12-02 13:19 ` [PATCH V4 07/19] hostmem-memfd: preserve " Steve Sistare
2024-12-18 19:53   ` Steven Sistare
2024-12-18 20:23     ` Peter Xu
2024-12-02 13:20 ` [PATCH V4 08/19] hostmem-shm: " Steve Sistare
2024-12-12 17:38   ` Peter Xu
2024-12-02 13:20 ` [PATCH V4 09/19] migration: incoming channel Steve Sistare
2024-12-05 15:23   ` Markus Armbruster
2024-12-05 20:45     ` Steven Sistare
2024-12-09 12:12       ` Markus Armbruster
2024-12-09 16:36         ` Peter Xu
2024-12-11  9:18         ` Markus Armbruster
2024-12-11 18:58         ` Steven Sistare
2024-12-10 12:46     ` Markus Armbruster
2024-12-02 13:20 ` [PATCH V4 10/19] migration: cpr channel Steve Sistare
2024-12-05 15:37   ` Markus Armbruster
2024-12-05 20:46     ` Steven Sistare
2024-12-06  9:31       ` Markus Armbruster
2024-12-18 19:53         ` Steven Sistare
2024-12-18 20:27           ` Peter Xu
2024-12-18 20:31             ` Steven Sistare
2024-12-02 13:20 ` [PATCH V4 11/19] migration: SCM_RIGHTS for QEMUFile Steve Sistare
2024-12-02 13:20 ` [PATCH V4 12/19] migration: VMSTATE_FD Steve Sistare
2024-12-02 13:20 ` [PATCH V4 13/19] migration: cpr-transfer save and load Steve Sistare
2024-12-02 13:20 ` [PATCH V4 14/19] migration: cpr-transfer mode Steve Sistare
2024-12-04 16:10   ` Steven Sistare
2024-12-10 12:26   ` Markus Armbruster
2024-12-11 22:05     ` Steven Sistare
2024-12-02 13:20 ` [PATCH V4 15/19] tests/migration-test: memory_backend Steve Sistare
2024-12-02 13:20 ` [PATCH V4 16/19] tests/qtest: defer connection Steve Sistare
2024-12-18 21:02   ` Steven Sistare
2024-12-19 15:46   ` Peter Xu
2024-12-19 22:33     ` Steven Sistare
2024-12-02 13:20 ` [PATCH V4 17/19] tests/migration-test: " Steve Sistare
2024-12-02 13:20 ` [PATCH V4 18/19] migration-test: cpr-transfer Steve Sistare
2024-12-18 21:03   ` Steven Sistare
2024-12-19 16:56   ` Peter Xu
2024-12-19 22:34     ` Steven Sistare
2024-12-20 15:41       ` Peter Xu
2024-12-02 13:20 ` [PATCH V4 19/19] migration: cpr-transfer documentation Steve Sistare
2024-12-18 21:03   ` Steven Sistare
2024-12-19 17:02   ` Peter Xu
2024-12-19 22:35     ` Steven Sistare

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