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Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qem
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From: |
Dan Williams |
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Subject: |
Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap() |
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Date: |
Tue, 22 Jan 2019 09:33:37 -0800 |
On Mon, Jan 21, 2019 at 7:27 PM Michael S. Tsirkin <address@hidden> wrote:
[..]
> > 2. The reset of cases:
> > - we will never pass the MAP_SYNC to mmap2
>
> I don't see code probing for MAP_SYNC support. Did I miss it?
> But if all you want is to have old linux ignore MAP_SYNC,
> I think you got your wish automatically - just do not set
> MAP_SHARED_VALIDATE.
That will also cause new Linux to ignore MAP_SYNC.
- Re: [Qemu-devel] [PATCH V9 6/6] docs: Added MAP_SYNC documentation, (continued)
[Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Zhang Yi, 2019/01/16
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Michael S. Tsirkin, 2019/01/16
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Eduardo Habkost, 2019/01/18
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Yi Zhang, 2019/01/21
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Eduardo Habkost, 2019/01/21
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Yi Zhang, 2019/01/21
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Michael S. Tsirkin, 2019/01/21
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(),
Dan Williams <=
- Re: [Qemu-devel] [PATCH V9 4/6] util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap(), Michael S. Tsirkin, 2019/01/22
[Qemu-devel] [PATCH V9 5/6] hostmem: add more information in error messages, Zhang Yi, 2019/01/16