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Re: [PATCH v5 04/14] softmmu/memory: Pass ram_flags to qemu_ram_alloc_fr
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH v5 04/14] softmmu/memory: Pass ram_flags to qemu_ram_alloc_from_fd() |
Date: |
Tue, 20 Apr 2021 12:18:35 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 |
Hi David,
On 4/20/21 11:52 AM, Philippe Mathieu-Daudé wrote:
> On 4/13/21 11:14 AM, David Hildenbrand wrote:
>> Let's pass in ram flags just like we do with qemu_ram_alloc_from_file(),
>> to clean up and prepare for more flags.
>>
>> Simplify the documentation of passed ram flags: Looking at our
>> documentation of RAM_SHARED and RAM_PMEM is sufficient, no need to be
>> repetitive.
>>
>> Reviewed-by: Peter Xu <peterx@redhat.com>
>> Signed-off-by: David Hildenbrand <david@redhat.com>
>> ---
>> backends/hostmem-memfd.c | 7 ++++---
>> hw/misc/ivshmem.c | 5 ++---
>> include/exec/memory.h | 9 +++------
>> include/exec/ram_addr.h | 6 +-----
>> softmmu/memory.c | 7 +++----
>> 5 files changed, 13 insertions(+), 21 deletions(-)
>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>
Actually it would be clearer to define the 0 value, maybe:
#define RAM_NOFLAG (0 << 0)
[PATCH v5 05/14] softmmu/memory: Pass ram_flags to memory_region_init_ram_shared_nomigrate(), David Hildenbrand, 2021/04/13
[PATCH v5 07/14] memory: Introduce RAM_NORESERVE and wire it up in qemu_ram_mmap(), David Hildenbrand, 2021/04/13