From: Peter Xu <peterx@redhat.com>
To: David Hildenbrand <david@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Stefan Weil <sw@weilnetz.de>,
Igor Kotrasinski <i.kotrasinsk@partner.samsung.com>,
qemu-devel@nongnu.org,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Murilo Opsfelder Araujo <muriloo@linux.ibm.com>,
Igor Mammedov <imammedo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under POSIX
Date: Fri, 28 Feb 2020 15:11:37 -0500 [thread overview]
Message-ID: <20200228201137.GZ180973@xz-x1> (raw)
In-Reply-To: <20200227101205.5616-14-david@redhat.com>
On Thu, Feb 27, 2020 at 11:12:03AM +0100, David Hildenbrand wrote:
> Introduce qemu_anon_ram_alloc_resizeable() and qemu_anon_ram_resize().
> Implement them under POSIX and make them return NULL under WIN32.
>
> Under POSIX, we make use of resizeable mmaps. An implementation under
> WIN32 is theoretically possible AFAIK and can be added later.
>
> In qemu_anon_ram_free(), rename the size parameter to max_size, to make
> it clearer that we have to use the maximum size when freeing resizeable
> anonymous allocations.
>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
> Cc: Stefan Weil <sw@weilnetz.de>
> Cc: Igor Mammedov <imammedo@redhat.com>
> Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2020-02-28 20:12 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-27 10:11 [PATCH v3 00/15] Ram blocks with resizeable anonymous allocations under POSIX David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 01/15] util: vfio-helpers: Fix qemu_vfio_close() David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 02/15] util: vfio-helpers: Remove Error parameter from qemu_vfio_undo_mapping() David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 03/15] util: vfio-helpers: Factor out removal " David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 04/15] exec: Factor out setting ram settings (madvise ...) into qemu_ram_apply_settings() David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 05/15] exec: Reuse qemu_ram_apply_settings() in qemu_ram_remap() David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 06/15] exec: Drop "shared" parameter from ram_block_add() David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 07/15] util/mmap-alloc: Factor out calculation of the pagesize for the guard page David Hildenbrand
2020-02-28 19:43 ` Peter Xu
2020-02-27 10:11 ` [PATCH v3 08/15] util/mmap-alloc: Factor out reserving of a memory region to mmap_reserve() David Hildenbrand
2020-02-27 10:11 ` [PATCH v3 09/15] util/mmap-alloc: Factor out populating of memory to mmap_populate() David Hildenbrand
2020-03-03 8:43 ` David Hildenbrand
2020-02-27 10:12 ` [PATCH v3 10/15] util/mmap-alloc: Prepare for resizeable mmaps David Hildenbrand
2020-02-27 10:12 ` [PATCH v3 11/15] util/mmap-alloc: Implement " David Hildenbrand
2020-02-28 19:43 ` Peter Xu
2020-02-27 10:12 ` [PATCH v3 12/15] util: vfio-helpers: Implement ram_block_resized() David Hildenbrand
2020-02-28 19:42 ` Peter Xu
2020-02-28 20:16 ` David Hildenbrand
2020-02-28 21:01 ` Peter Xu
2020-03-02 15:01 ` David Hildenbrand
2020-02-28 19:55 ` Peter Xu
2020-02-28 20:19 ` David Hildenbrand
2020-02-28 20:49 ` Peter Xu
2020-02-28 20:56 ` David Hildenbrand
2020-02-27 10:12 ` [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under POSIX David Hildenbrand
2020-02-28 20:11 ` Peter Xu [this message]
2020-02-27 10:12 ` [PATCH v3 14/15] numa: Introduce ram_block_notifiers_support_resize() David Hildenbrand
2020-02-28 20:11 ` Peter Xu
2020-02-27 10:12 ` [PATCH v3 15/15] exec: Ram blocks with resizeable anonymous allocations under POSIX David Hildenbrand
2020-02-28 20:21 ` Peter Xu
2020-03-02 15:27 ` David Hildenbrand
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