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Re: [Qemu-devel] [PATCH 0/2] linux-user: Fix race between threads in pag
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] linux-user: Fix race between threads in page_unprotect() |
Date: |
Fri, 19 Jan 2018 19:04:30 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
Le 15/01/2018 à 13:48, Peter Maydell a écrit :
> On 28 November 2017 at 14:35, Peter Maydell <address@hidden> wrote:
>> If multiple guest threads in user-mode emulation write to a
>> page which QEMU has marked read-only because of cached TCG
>> translations, the threads can race in page_unprotect:
>
>> Peter Maydell (2):
>> linux-user: Propagate siginfo_t through to handle_cpu_signal()
>> page_unprotect(): handle calls to pages that are PAGE_WRITE
>
> Ping! Linux-user maintainers, any chance this could get into
> a pull-request sometime soon? (I have another cleanup I'm
> thinking of that will touch the same code so I'd rather this
> went into master before I look at that.)
>
> (I have a bunch of other pending linux-user patchsets which
> I shan't bother to ping individually unless you want me to.)
>
> thanks
> -- PMM
>
I've applied this series to my linux-user branch.
I've tried to find all pending linux-user patches.
If you want to check none of yours is is missing, all patches I have
collected are in:
https://github.com/vivier/qemu/commits/linux-user-for-2.12
I'm going to run some tests before sending the pull request.
Thanks,
Laurent