From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Alex Williamson <alex.williamson@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v3 3/3] vfio: Fix 128 bit handling
Date: Fri, 30 Aug 2013 16:42:10 +1000 [thread overview]
Message-ID: <52203EC2.7030801@ozlabs.ru> (raw)
In-Reply-To: <52203E1C.4060208@redhat.com>
On 08/30/2013 04:39 PM, Paolo Bonzini wrote:
> Il 30/08/2013 08:15, Alexey Kardashevskiy ha scritto:
>>>> What if you just merge the two series together?
>> It will still be a function which can accept sections bigger than 2^64 and
>> theoretically call int128_get64() and assert. I would think that every time
>> when anyone calls int128_get64(), the value should be checked for <2^64. It
>> is like division by zero :)
>
> I understood that int128_get64() would be called only for RAM sections,
> not for IOMMUs (and RAM sections cannot be 2^64-bytes large). Is this
> wrong?
This is correct but for people who do not know when and in what state it is
called, it can be confusing. Ok, I'll merge this with my vfio patches.
--
Alexey
next prev parent reply other threads:[~2013-08-30 6:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-22 11:29 [Qemu-devel] [PATCH v3 0/3] vfio: fixes for better support for 128 bit memory section sizes Alexey Kardashevskiy
2013-08-22 11:29 ` [Qemu-devel] [PATCH v3 1/3] int128: add int128_exts64() Alexey Kardashevskiy
2013-08-22 11:29 ` [Qemu-devel] [PATCH v3 2/3] vfio: Fix debug output for int128 values Alexey Kardashevskiy
2013-08-22 11:29 ` [Qemu-devel] [PATCH v3 3/3] vfio: Fix 128 bit handling Alexey Kardashevskiy
2013-08-28 15:18 ` Alex Williamson
2013-08-29 1:03 ` Alexey Kardashevskiy
2013-08-29 1:42 ` Alex Williamson
2013-08-29 2:26 ` Alexey Kardashevskiy
2013-08-29 6:29 ` Paolo Bonzini
2013-08-29 6:58 ` Alexey Kardashevskiy
2013-08-29 8:50 ` Paolo Bonzini
2013-08-30 6:15 ` Alexey Kardashevskiy
2013-08-30 6:39 ` Paolo Bonzini
2013-08-30 6:42 ` Alexey Kardashevskiy [this message]
2013-08-28 9:46 ` [Qemu-devel] [PATCH v3 0/3] vfio: fixes for better support for 128 bit memory section sizes Alexey Kardashevskiy
2013-08-28 11:09 ` Paolo Bonzini
2013-08-28 14:10 ` Alex Williamson
2013-08-28 14:29 ` Paolo Bonzini
2013-09-10 4:23 ` Alexey Kardashevskiy
2013-09-10 6:51 ` Paolo Bonzini
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