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Re: [Qemu-devel] [PATCH v2] ppc: Force CPU threads count to be a power o


From: Stewart Smith
Subject: Re: [Qemu-devel] [PATCH v2] ppc: Force CPU threads count to be a power of 2.
Date: Thu, 06 Mar 2014 09:51:57 +1100
User-agent: Notmuch/0.16 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-redhat-linux-gnu)

Bharata B Rao <address@hidden> writes:

> PowerPC kernel expects the number of SMT threads in a core to be a power
> of 2. Since QEMU doesn't enforce this, it leads to an early guest kernel
> crash if invalid threads count is specified.
>
> Prevent this crash and make it a graceful exit from QEMU itself by
> validating the user supplied threads count.
>
> Signed-off-by: Bharata B Rao <address@hidden>

Reviewed-by: Stewart Smith <address@hidden>




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