From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org, Ilya Leoshkevich <iii@linux.ibm.com>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>,
Helge Deller <deller@gmx.de>
Subject: Re: [PATCH v4 02/36] linux-user: Adjust SVr4 NULL page mapping
Date: Wed, 21 Feb 2024 17:49:41 +0000 [thread overview]
Message-ID: <87o7c9aeru.fsf@draig.linaro.org> (raw)
In-Reply-To: <63284092-627d-4411-a21d-179b8dbf24e9@linaro.org> (Richard Henderson's message of "Tue, 20 Feb 2024 16:07:40 -1000")
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
next prev parent reply other threads:[~2024-02-21 17:50 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-15 6:19 [PATCH v4 00/36] linux-user: Improve host and guest page size handling Richard Henderson
2024-02-15 6:19 ` [PATCH v4 01/36] accel/tcg: Remove qemu_host_page_size from page_protect/page_unprotect Richard Henderson
2024-02-15 6:19 ` [PATCH v4 02/36] linux-user: Adjust SVr4 NULL page mapping Richard Henderson
2024-02-16 11:35 ` Alex Bennée
2024-02-21 2:07 ` Richard Henderson
2024-02-21 17:49 ` Alex Bennée [this message]
2024-02-15 6:19 ` [PATCH v4 03/36] linux-user: Remove qemu_host_page_{size, mask} in probe_guest_base Richard Henderson
2024-02-15 6:19 ` [PATCH v4 04/36] linux-user: Remove qemu_host_page_size from create_elf_tables Richard Henderson
2025-09-09 7:36 ` Michael Tokarev
2025-09-09 7:58 ` Richard Henderson
2024-02-15 6:19 ` [PATCH v4 05/36] linux-user/hppa: Simplify init_guest_commpage Richard Henderson
2024-02-15 6:19 ` [PATCH v4 06/36] linux-user/nios2: Remove qemu_host_page_size from init_guest_commpage Richard Henderson
2024-02-15 6:19 ` [PATCH v4 07/36] linux-user/arm: " Richard Henderson
2024-02-15 6:19 ` [PATCH v4 08/36] linux-user: Remove qemu_host_page_{size, mask} from mmap.c Richard Henderson
2024-02-15 6:19 ` [PATCH v4 09/36] linux-user: Remove REAL_HOST_PAGE_ALIGN " Richard Henderson
2024-02-15 6:19 ` [PATCH v4 10/36] linux-user: Remove HOST_PAGE_ALIGN " Richard Henderson
2024-02-15 6:19 ` [PATCH v4 11/36] migration: Remove qemu_host_page_size Richard Henderson
2024-02-15 6:19 ` [PATCH v4 12/36] hw/tpm: Remove HOST_PAGE_ALIGN from tpm_ppi_init Richard Henderson
2024-02-15 6:19 ` [PATCH v4 13/36] softmmu/physmem: Remove qemu_host_page_size Richard Henderson
2024-02-15 6:19 ` [PATCH v4 14/36] softmmu/physmem: Remove HOST_PAGE_ALIGN Richard Henderson
2024-02-15 6:19 ` [PATCH v4 15/36] linux-user: Remove qemu_host_page_size from main Richard Henderson
2024-02-15 6:19 ` [PATCH v4 16/36] linux-user: Split out target_mmap__locked Richard Henderson
2024-02-15 6:19 ` [PATCH v4 17/36] linux-user: Move some mmap checks outside the lock Richard Henderson
2024-02-15 6:20 ` [PATCH v4 18/36] linux-user: Fix sub-host-page mmap Richard Henderson
2024-02-15 6:20 ` [PATCH v4 19/36] linux-user: Split out mmap_end Richard Henderson
2024-02-15 6:20 ` [PATCH v4 20/36] linux-user: Do early mmap placement only for reserved_va Richard Henderson
2024-02-15 6:20 ` [PATCH v4 21/36] linux-user: Split out do_munmap Richard Henderson
2024-02-15 7:04 ` Philippe Mathieu-Daudé
2024-02-15 6:20 ` [PATCH v4 22/36] linux-user: Use do_munmap for target_mmap failure Richard Henderson
2024-02-15 7:05 ` Philippe Mathieu-Daudé
2024-02-15 6:20 ` [PATCH v4 23/36] linux-user: Split out mmap_h_eq_g Richard Henderson
2024-02-15 6:20 ` [PATCH v4 24/36] linux-user: Split out mmap_h_lt_g Richard Henderson
2024-02-15 6:20 ` [PATCH v4 25/36] linux-user: Split out mmap_h_gt_g Richard Henderson
2024-02-15 6:20 ` [PATCH v4 26/36] tests/tcg: Remove run-test-mmap-* Richard Henderson
2024-02-15 6:20 ` [PATCH v4 27/36] tests/tcg: Extend file in linux-madvise.c Richard Henderson
2024-02-15 6:20 ` [PATCH v4 28/36] *-user: Deprecate and disable -p pagesize Richard Henderson
2024-02-15 6:20 ` [PATCH v4 29/36] cpu: Remove page_size_init Richard Henderson
2024-02-15 6:20 ` [PATCH v4 30/36] accel/tcg: Disconnect TargetPageDataNode from page size Richard Henderson
2024-02-15 6:20 ` [PATCH v4 31/36] linux-user: Allow TARGET_PAGE_BITS_VARY Richard Henderson
2024-02-15 6:20 ` [PATCH v4 32/36] target/arm: Enable TARGET_PAGE_BITS_VARY for AArch64 user-only Richard Henderson
2024-02-15 6:20 ` [PATCH v4 33/36] linux-user: Bound mmap_min_addr by host page size Richard Henderson
2024-02-15 6:20 ` [PATCH v4 34/36] target/ppc: Enable TARGET_PAGE_BITS_VARY for user-only Richard Henderson
2024-02-15 6:20 ` [PATCH v4 35/36] target/alpha: " Richard Henderson
2024-02-15 6:20 ` [PATCH v4 36/36] linux-user: Remove pgb_dynamic alignment assertion Richard Henderson
2024-02-15 7:07 ` Philippe Mathieu-Daudé
2024-02-15 7:23 ` Richard Henderson
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