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From: Eric Blake <eblake@redhat.com>
To: "Laszlo Ersek" <lersek@redhat.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	qemu-devel@nongnu.org
Cc: Eduardo Habkost <ehabkost@redhat.com>, Cleber Rosa <crosa@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] dump-guest-memory.py: fix python 2 support
Date: Wed, 17 Jan 2018 08:59:14 -0600	[thread overview]
Message-ID: <bacb3016-0470-a70d-881a-06a2b2555386@redhat.com> (raw)
In-Reply-To: <a9bc4b35-23b3-515f-9ba1-71f41a95b9e7@redhat.com>

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On 01/17/2018 08:18 AM, Laszlo Ersek wrote:
> On 01/17/18 12:44, Marc-André Lureau wrote:
>> Python GDB support may use Python 2 or 3.
>>
>> Inferior.read_memory() may return a buffer with Python 2 or a
>> memoryview with Python 3 (see also
>> https://sourceware.org/gdb/onlinedocs/gdb/Inferiors-In-Python.html)
>>
>> The elf.add_vmcoreinfo_note() method expect a byte string, but Python 2
>> buffer doesn't provide the tobyes() method. Wrap the read_memory()
>> result to a memoryview, available in Python 2.7. (if the return object
>> is already a memoryview, this adds a useless identity view on top)
> 
> OOP is awesome.
> 
>>
>> Fixes a regression introduced with commit
>> d23bfa91b7789534d16ede6cb7d925bfac3f3c4c ("add vmcoreinfo").
> 
> Do you want to CC stable? Commit d23bfa91b778 is part of v2.11.0.

Configure says we still support python 2.6; does this still work there?

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org


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  reply	other threads:[~2018-01-17 14:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-17 11:44 [Qemu-devel] [PATCH] dump-guest-memory.py: fix python 2 support Marc-André Lureau
2018-01-17 14:18 ` Laszlo Ersek
2018-01-17 14:59   ` Eric Blake [this message]
2018-01-17 15:36     ` Marc-André Lureau
2018-01-17 14:46 ` Marc-André Lureau

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