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Re: [Qemu-devel] [PATCH for-2.6] ppc: Fix migration of the XER register

From: Mark Cave-Ayland
Subject: Re: [Qemu-devel] [PATCH for-2.6] ppc: Fix migration of the XER register
Date: Fri, 15 Apr 2016 11:17:00 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.7.0

On 15/04/16 10:03, Thomas Huth wrote:

> env->xer only holds the lower bits of the XER register nowadays, the
> SO, OV and CA bits are stored in separate variables (see the function
> cpu_write_xer() for details). Since the migration code currently only
> reads the "xer" variable, the upper bits are lost during migration.
> Fix it by using cpu_read_xer() instead.
> Signed-off-by: Thomas Huth <address@hidden>

This looks like the pre_save counterpart to the post_load patch I sent
in January (see 6a9620e60cc1b16dba9ee9d9d8cb374e4303c072) so I'm fairly
sure this is right.

Reviewed-by: Mark Cave-Ayland <address@hidden>



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