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Re: [PATCH v4 02/36] linux-user: Adjust SVr4 NULL page mapping
From: |
Alex Bennée |
Subject: |
Re: [PATCH v4 02/36] linux-user: Adjust SVr4 NULL page mapping |
Date: |
Wed, 21 Feb 2024 17:49:41 +0000 |
User-agent: |
mu4e 1.11.28; emacs 29.1 |
Richard Henderson <richard.henderson@linaro.org> writes:
> On 2/16/24 01:35, Alex Bennée wrote:
>> Richard Henderson <richard.henderson@linaro.org> writes:
>>
>>> Use TARGET_PAGE_SIZE and MAP_FIXED_NOREPLACE.
>>>
>>> We really should be attending to this earlier during
>>> probe_guest_base, as well as better detection and
>>> emulation of various Linux personalities.
>> Do we know all our supported systems support this flag now?
>
> We know that target_mmap() itself supports it, even if by emulation.
Ahh ok
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
Virtualisation Tech Lead @ Linaro
- [PATCH v4 00/36] linux-user: Improve host and guest page size handling, Richard Henderson, 2024/02/15
- [PATCH v4 03/36] linux-user: Remove qemu_host_page_{size, mask} in probe_guest_base, Richard Henderson, 2024/02/15
- [PATCH v4 04/36] linux-user: Remove qemu_host_page_size from create_elf_tables, Richard Henderson, 2024/02/15
- [PATCH v4 05/36] linux-user/hppa: Simplify init_guest_commpage, Richard Henderson, 2024/02/15
- [PATCH v4 06/36] linux-user/nios2: Remove qemu_host_page_size from init_guest_commpage, Richard Henderson, 2024/02/15
- [PATCH v4 07/36] linux-user/arm: Remove qemu_host_page_size from init_guest_commpage, Richard Henderson, 2024/02/15
- [PATCH v4 09/36] linux-user: Remove REAL_HOST_PAGE_ALIGN from mmap.c, Richard Henderson, 2024/02/15
- [PATCH v4 10/36] linux-user: Remove HOST_PAGE_ALIGN from mmap.c, Richard Henderson, 2024/02/15
- [PATCH v4 11/36] migration: Remove qemu_host_page_size, Richard Henderson, 2024/02/15
- [PATCH v4 14/36] softmmu/physmem: Remove HOST_PAGE_ALIGN, Richard Henderson, 2024/02/15
- [PATCH v4 13/36] softmmu/physmem: Remove qemu_host_page_size, Richard Henderson, 2024/02/15