[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM Mem
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion |
Date: |
Thu, 01 Dec 2011 11:29:48 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 |
On 11/30/2011 05:26 PM, Andreas Färber wrote:
> Commit 95c318f5e1f88d7e5bcc6deac17330fd4806a2d3 (Fix segfault in mmio
> subpage handling code.) prevented a segfault by making all subpage
> registrations over an existing memory page perform an unassigned access.
> Symptoms were writes not taking effect and reads returning zero.
>
> Very small page sizes are not currently supported either,
> so subpage memory areas cannot fully be avoided.
>
> Therefore change the previous fix to use a new IO_MEM_SUBPAGE_RAM
> instead of IO_MEM_UNASSIGNED. Suggested by Avi.
>
>
Looks reasonable. Should go into 1.1. Should we backport it to
1.0.blah? From 95c318f's description, it doesn't happen in normal
circumstances.
--
error compiling committee.c: too many arguments to function
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion,
Avi Kivity <=
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Gleb Natapov, 2011/12/01
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Avi Kivity, 2011/12/01
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Gleb Natapov, 2011/12/01
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Avi Kivity, 2011/12/01
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Gleb Natapov, 2011/12/01
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Andreas Färber, 2011/12/01
- Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Avi Kivity, 2011/12/01
Re: [Qemu-devel] [PATCH v2] exec.c: Fix subpage memory access to RAM MemoryRegion, Andreas Färber, 2011/12/09