From: Martin Mohring <martin.mohring@opensuse.org>
To: qemu-devel@nongnu.org
Cc: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets
Date: Mon, 08 Dec 2008 21:54:35 +0100 [thread overview]
Message-ID: <493D898B.5010702@opensuse.org> (raw)
In-Reply-To: <20081208204815.GA6724@epbyminw8406h.minsk.epam.com>
Kirill A. Shutemov wrote:
> On Wed, Dec 03, 2008 at 02:50:57PM +0200, Kirill A. Shutemov wrote:
>
>> On Wed, Dec 03, 2008 at 12:34:18PM +0000, Paul Brook wrote:
>>
>>> On Wednesday 03 December 2008, Kirill A. Shutemov wrote:
>>>
>>>> qemu's page table can be incomple if /proc/self/maps is unavailable or
>>>> host allocating a memory with mmap(), so we can't use it to find free
>>>> memory area.
>>>>
>>> Do we really care? Do such systems exist?
>>>
>> I use qemu-arm to build packages in restricted environment -- in hasher[1].
>> hasher mounts /proc only for packages that really need it for building
>> (java, for example).
>>
>> [1] http://en.altlinux.org/Hasher
>>
>
> Paul, do you have any objection or not? I really want to see it into
> upstream
I have tested this also with OBS, where both of your cases can happen
(qemu-arm - linux-user). I works fine for me.
Martin
next prev parent reply other threads:[~2008-12-08 20:54 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-03 11:29 [Qemu-devel] [PATCH] Introduce --enable-binfmt-misc configure option Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Fix fstatat64()/newfstatat() syscall implementation Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Move abi_* typedefs into qemu-types.h Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] linux-user: Safety belt for h2g Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] linux-user: Introduce h2g_valid Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] linux-user: Fix h2g usage in page_find_alloc Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] mmap: add check if requested memory area fits target address space Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] mremap(): handle MREMAP_FIXED and MREMAP_MAYMOVE correctly Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Fix and cleanup IPCOP_sem* ipc calls handling Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Implement sem* syscalls Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Fix and cleanup IPCOP_shm* ipc calls handling Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] Implement shm* syscalls Kirill A. Shutemov
2008-12-03 11:29 ` [Qemu-devel] [PATCH] shmat(): use mmap_find_vma to find free memory area Kirill A. Shutemov
2008-12-06 19:51 ` [Qemu-devel] [PATCH] mremap(): handle MREMAP_FIXED and MREMAP_MAYMOVE correctly Edgar E. Iglesias
2008-12-06 20:03 ` Kirill A. Shutemov
2008-12-08 18:17 ` Aurelien Jarno
2008-12-06 19:46 ` [Qemu-devel] [PATCH] mmap: add check if requested memory area fits target address space Edgar E. Iglesias
2008-12-06 20:00 ` Kirill A. Shutemov
2008-12-08 18:16 ` Aurelien Jarno
2008-12-03 12:34 ` [Qemu-devel] [PATCH] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets Paul Brook
2008-12-03 12:43 ` Christoph Egger
2008-12-03 12:48 ` Paul Brook
2008-12-03 12:50 ` Kirill A. Shutemov
2008-12-08 20:48 ` Kirill A. Shutemov
2008-12-08 20:54 ` Martin Mohring [this message]
2008-12-08 20:59 ` Martin Mohring
2008-12-08 21:57 ` Kirill A. Shutemov
2008-12-08 21:02 ` Martin Mohring
2008-12-08 22:14 ` [Qemu-devel] qemu and glibc version Kirill A. Shutemov
2008-12-09 12:25 ` [Qemu-devel] [PATCH] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets Robert Reif
2008-12-09 13:26 ` Kirill A. Shutemov
2008-12-08 23:42 ` Paul Brook
2008-12-09 6:20 ` Kirill A. Shutemov
2008-12-06 20:08 ` [Qemu-devel] [PATCH] linux-user: Fix h2g usage in page_find_alloc Edgar E. Iglesias
2008-12-06 20:13 ` Kirill A. Shutemov
2008-12-08 18:16 ` Aurelien Jarno
2008-12-08 18:15 ` [Qemu-devel] [PATCH] linux-user: Introduce h2g_valid Aurelien Jarno
2008-12-06 20:04 ` [Qemu-devel] [PATCH] linux-user: Safety belt for h2g Edgar E. Iglesias
2008-12-08 18:15 ` Aurelien Jarno
2008-12-08 19:25 ` Andreas Färber
2008-12-09 7:34 ` Jan Kiszka
2008-12-07 21:56 ` [Qemu-devel] [PATCH] Move abi_* typedefs into qemu-types.h Aurelien Jarno
2008-12-08 6:09 ` Kirill A. Shutemov
2008-12-08 18:13 ` Aurelien Jarno
2009-01-12 14:18 ` [Qemu-devel] [PATCH] Introduce --enable-binfmt-misc configure option Riku Voipio
-- strict thread matches above, loose matches on Subject: below --
2008-10-13 10:10 [Qemu-devel] [PATCH] Add readahead syscall Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Fix getdents* syscalls Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Fix and cleanup IPCOP_msg* ipc calls handling Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Implement msg* syscalls Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Fix and cleanup IPCOP_sem* ipc calls handling Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Implement sem* syscalls Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Fix and cleanup IPCOP_shm* ipc calls handling Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Implement shm* syscalls Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Fix fstatat64()/newfstatat() syscall implementation Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Introduce --enable-binfmt-misc configure option Kirill A. Shutemov
2008-10-13 10:10 ` [Qemu-devel] [PATCH] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets Kirill A. Shutemov
2008-10-26 16:14 ` Vince Weaver
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